For Docker images:

The default logstash config path is /usr/share/logstash/pipeline

https://www.elastic.co/docs/reference/logstash/dir-layout

Do you know the exact code I need to enter? Is it possible for you to give me the entire modified code to test? I'm a beginner, sorry.

thank for your help

You can use the library omni_video_player that have many property that fit your case

https://pub.dev/documentation/youtube_player_flutter/latest/youtube_player_flutter/YoutubePlayerFlags/startAt.html

Specific setup:

• Xbox series X connected to the AverMedia GC553 LiveGamer Usb device

• Xbox is set to a forced resolution of 1920x1080 at 120hz

• Using linux on pc with kernel 6.16.7-200.nobara.fc42.x86_64

• The AverMedia GC553 shows up as /dev/video1 /dev/video2 and /dev/media0

This configuration presents the same issue, it shows "No such file or directory" when trying to open the video with ffplay /dev/video1

GCC553 starts in a weird sleep state when first connected, you need to poke it a few times for it to start up.

Solution

Figure out what device your Live Gamer is at

#: v4l2-ctl --list-devices | grep "Live Gamer" -A 3
Live Gamer Ultra-Video: Live Ga (usb-0000:10:00.3-2):
         /dev/video3
         /dev/video4
         /dev/media0 

Now poke the first device in that list a few times with v4l2-ctl -d /dev/video3 --stream-mmap --stream-count=1 --stream-to=/dev/null
If that returns VIDIOC_STREAMON returned -1 (No such file or directory) then run it again
When it works correctly it will return something else, in my case it returns <

Yes, that command does return the less-than symbol. I do not know why it only returns that. No there is nothing else returned. I understand that this sounds confusing.

Once you get < from that command the device is awake and ready and you can connect to it with ffplay /dev/video3

This works reliably when the device has been recently plugged in or my computer has been just turned on.

Notes

I find that ffplay without parameters will open the nv12/yv12 pixel format. I prefer to open the bgr24 one because it has a wider range of colors. To get the it to display correctly I use ffplay /dev/video3 -f v4l2 -pixel_format bgr24 -vf vflip where -vf vflip is needed because otherwise the image will display upside-down.

GCC553 gets corrupted after being connected for a long time, if this happens reconnect it by physically unplugging and plugging it back again.

I have not found a reliable way to reset the usb device without disconnecting it. If it the v4l2-ctl command is getting stuck you may need to reconnect the usb device. If I do I will modify this answer. Maybe a kernel mod removal and insertion could make the device reset but I have not tested that. The command usbresetdid not work for me, it just hangs.

I also asked in the Netlify support forum, and an engineer provided a workable reply: https://answers.netlify.com/t/magic-login-link-callback-redirect-is-not-working/156298. However, I decided to give up and deploy to Vercel instead after running into another issue with the auth cycle in my app.

So the solution is: deploy to Vercel, which worked perfectly.

have you looked at SK_SKB hook? It is called when a message is enqueued to the socket's receive queue. So, it has the same behavior as a socket program.

See modified pens/snippets with text scrolling from bottom:

* {
  box-sizing: border-box;
}

@-webkit-keyframes ticker {
  0% {
    -webkit-transform: translate3d(0, 100%, 0);
    /* start off screen, at 100% */
    transform: translate3d(0, 100%, 0);
    /* same as above */
    visibility: visible;
  }

  100% {
    -webkit-transform: translate3d(0, -100%, 0);
    /* y instead of x, was: translate3d(-100%, 0, 0) */
    transform: translate3d(0, -100%, 0);
    /* same as above */
  }
}

@keyframes ticker {
  0% {
    -webkit-transform: translate3d(0, 100%, 0);
    /* same as above */
    transform: translate3d(0, 100%, 0);
    /* same as above */
    visibility: visible;
  }

  100% {
    -webkit-transform: translate3d(0, -100%, 0);
    /* same as above */
    transform: translate3d(0, -100%, 0);
    /* same as above */
  }
}

.ticker-wrap {

  position: fixed;
  top: 0;
  /* new: align top */
  left: 0;
  /* instead of bottom: 0; */
  height: 100%;
  /* instead of width: 100%; */
  overflow: hidden;
  width: 4rem;
  /* instead of height: 4rem; */
  background-color: rgba(0, 0, 0, 0.9);
  box-sizing: content-box;
}

.ticker-wrap .ticker {

  display: inline-block;
  width: 4rem;
  /* instead of height: 4rem; */
  line-height: 4rem;
  white-space: nowrap;
  box-sizing: content-box;

  -webkit-animation-iteration-count: infinite;
  animation-iteration-count: infinite;
  -webkit-animation-timing-function: linear;
  animation-timing-function: linear;
  -webkit-animation-name: ticker;
  animation-name: ticker;
  -webkit-animation-duration: 30s;
  animation-duration: 30s;
}

.ticker-wrap .ticker .ticker__item {
  display: inline-block;
  padding: 0;
  /* or, if you want a gap between text disappearing and appearing again: */
  /* padding: 2rem 0; */
  /* instead of 0 2rem; */
  font-size: 2rem;
  color: white;

  /* for text rotation: */
  writing-mode: vertical-lr;
  /* or vertical-rl, doesn't matter if you have one line */
  /* from https://stackoverflow.com/a/50171747/15452072 */
}





body {
  padding-left: 5rem;
}

/*h1,
h2,
p {
  padding: 0 5%;
}*/

<h1>Pure CSS Ticker (No-JS)</h1>
<h2>A smooth horizontal news like ticker using CSS transform on infinite loop</h2>

<div class="ticker-wrap">
  <div class="ticker">
    <!-- more than one item do not show anyway, no idea why they were there -->
    <div class="ticker__item">Lorem ipsum dolor sit amet, consectetur adipiscing elit.</div>
  </div>
</div>

<p>So, annoyingly, most JS solutions don't do horizontal tickers on an infinite loop, nor do they render all that smoothly.</p>
<p>The difficulty with CSS was getting the animation to transform the entire items 100% yet include an offset that was only the width of the browser (and not the items full width).</p>
<p>Setting the start of the animation to anything less than zero (e.g. -100%) is unreliable as it is based on the items width, and may not offset the full width of the browser or creates too large an offset</p>
<p>Padding left on the wrapper allows us the correct initial offset, but you still get a 'jump' as it then loops too soon. (The full text does not travel off-screen)</p>
<p>This is where adding display:inline-block to the item parent, where the natural behaviour of the element exists as inline, gives an opportunity to add padding-right 100% here. The padding is taken from the parent (as its treated as inline) which usefully is the wrapper width.</p>
<p><b>Magically*</b> we now have perfect 100% offset, a true 100% translate (width of items) and enough padding in the element to ensure all items leave the screen before it repeats! (width of browser)</p>
<p>*Why this works: The inside of an inline-block is formatted as a block box, and the element itself is formatted as an atomic inline-level box. <br>Uses `box-sizing: content-box`<br>
Padding is calculated on the width of the containing box.<br>
So as both the ticker and the items are formatted as nested inline, the padding must be calculated by the ticker wrap.</p>

<p>Ticker content c/o <a href="http://hipsum.co/">Hipsum.co</a></p>

or with text scrolling from top

* {
  box-sizing: border-box;
}

@-webkit-keyframes ticker {

  /* additionaly, here we change the order of keyframes */
  0% {
    -webkit-transform: translate3d(0, -100%, 0);
    /* y instead of x, was: translate3d(-100%, 0, 0) */
    transform: translate3d(0, -100%, 0);
    /* same as above */
  }

  100% {
    -webkit-transform: translate3d(0, 100%, 0);
    /* start off screen, at 100% */
    transform: translate3d(0, 100%, 0);
    /* same as above */
    visibility: visible;
  }
}

@keyframes ticker { /* same as above */
  0% {
    -webkit-transform: translate3d(0, -100%, 0);
    /* same as above */
    transform: translate3d(0, -100%, 0);
    /* same as above */
  }

  100% {
    -webkit-transform: translate3d(0, 100%, 0);
    /* same as above */
    transform: translate3d(0, 100%, 0);
    /* same as above */
    visibility: visible;
  }
}

.ticker-wrap {

  position: fixed;
  top: 0;
  /* new: align top */
  left: 0;
  /* instead of bottom: 0; */
  height: 100%;
  /* instead of width: 100%; */
  overflow: hidden;
  width: 4rem;
  /* instead of height: 4rem; */
  background-color: rgba(0, 0, 0, 0.9);
  box-sizing: content-box;
}

.ticker-wrap .ticker {

  display: inline-block;
  width: 4rem;
  /* instead of height: 4rem; */
  line-height: 4rem;
  white-space: nowrap;
  box-sizing: content-box;

  -webkit-animation-iteration-count: infinite;
  animation-iteration-count: infinite;
  -webkit-animation-timing-function: linear;
  animation-timing-function: linear;
  -webkit-animation-name: ticker;
  animation-name: ticker;
  -webkit-animation-duration: 30s;
  animation-duration: 30s;
}

.ticker-wrap .ticker .ticker__item {
  display: inline-block;
  padding: 0;
  /* or, if you want a gap between text disappearing and appearing again: */
  /* padding: 2rem 0; */
  /* instead of 0 2rem; */
  font-size: 2rem;
  color: white;

  /* for text rotation: */
  writing-mode: vertical-lr;
  /* or vertical-rl, doesn't matter if you have one line */
  /* from https://stackoverflow.com/a/50171747/15452072 */
  
  /* and we want it the other way, from top to bottom, so we need to rotate: */
      -webkit-transform: rotate(-180deg);
      -moz-transform: rotate(-180deg);
      transform: rotate(-180deg);
      /* filter: progid:DXImageTransform.Microsoft.BasicImage(rotation=3); */
      /* do not bother supporting IE, it's dead */
}





body {
  padding-left: 5rem;
}

/*h1,
    h2,
    p {
      padding: 0 5%;
    }*/

<h1>Pure CSS Ticker (No-JS)</h1>
<h2>A smooth horizontal news like ticker using CSS transform on infinite loop</h2>

<div class="ticker-wrap">
  <div class="ticker">
    <!-- more than one item do not show anyway, no idea why they were there -->
    <div class="ticker__item">Lorem ipsum dolor sit amet, consectetur adipiscing elit.</div>
  </div>
</div>

<p>So, annoyingly, most JS solutions don't do horizontal tickers on an infinite loop, nor do they render all that smoothly.</p>
<p>The difficulty with CSS was getting the animation to transform the entire items 100% yet include an offset that was only the width of the browser (and not the items full width).</p>
<p>Setting the start of the animation to anything less than zero (e.g. -100%) is unreliable as it is based on the items width, and may not offset the full width of the browser or creates too large an offset</p>
<p>Padding left on the wrapper allows us the correct initial offset, but you still get a 'jump' as it then loops too soon. (The full text does not travel off-screen)</p>
<p>This is where adding display:inline-block to the item parent, where the natural behaviour of the element exists as inline, gives an opportunity to add padding-right 100% here. The padding is taken from the parent (as its treated as inline) which usefully is the wrapper width.</p>
<p><b>Magically*</b> we now have perfect 100% offset, a true 100% translate (width of items) and enough padding in the element to ensure all items leave the screen before it repeats! (width of browser)</p>
<p>*Why this works: The inside of an inline-block is formatted as a block box, and the element itself is formatted as an atomic inline-level box. <br>Uses `box-sizing: content-box`<br>
    Padding is calculated on the width of the containing box.<br>
    So as both the ticker and the items are formatted as nested inline, the padding must be calculated by the ticker wrap.</p>

<p>Ticker content c/o <a href="http://hipsum.co/">Hipsum.co</a></p>

Explanation of changes is in css comments

Follow this: https://capacitorjs.com/docs/ios/configuration#renaming-your-app.

But do not follow this: https://help.apple.com/xcode/mac/8.0/#/dev3db3afe4f

In other words, change the 'TARGETS' but do not change the name in the 'Identity and Type'. Leave the default name 'Ápp'.

If you have a look in the WithReference function of IResourceBuilder you will note the following code:

        return builder.WithEnvironment(context =>
        {
            var connectionStringName = resource.ConnectionStringEnvironmentVariable ?? $"{ConnectionStringEnvironmentName}{connectionName}";

            context.EnvironmentVariables[connectionStringName] = new ConnectionStringReference(resource, optional);
        });

https://github.com/dotnet/aspire/blob/e9688c40ace2271cef6444722abdf2f028ee1229/src/Aspire.Hosting/ResourceBuilderExtensions.cs#L448-L465
So to override the environment variable set we just need to use the same .WithEnvironment function but set our own Custom name. Here is an Example of how it would look in your example:

orderApi
    .WithReference(orderApiDatabase)
    .WithEnvironment(context => // using custom place for Db ConnectionString
{
    context.EnvironmentVariables["MyCustomSection__Database__OrderApi__ConnectionString"] =
        new ConnectionStringReference(orderApiDatabase !.Resource, false);
});
    .WaitFor(orderApiDatabase);

import org.apache.spark.sql.functions.{udf, struct}

val reduceItems = (items: Row) => {
  10
}
val reduceItemsUdf = udf(reduceItems)

h.select(reduceItemsUdf(struct("*")).as("r")).show()

remove the web bundling in your app.json

this :

"web": {
      "bundler": "metro",
      "output": "server",
      "favicon": "./assets/images/favicon.png"
    },

For me I encountered this after downgrading from react19 to 18, my solution was:

specifically update @types/react dependency.

• npm uninstall @types/react and npm install @types/react

After doing all this reopen the project in your text editor and the problem should be resolved

Altough I have not tried this myself yet, it is possible to use an extension to save tag IDs to a file and re-use them in another file (such as the supplemental file):

https://github.com/iagopinal/figure-table-formatter

You have two ways to solve this issue>
1. from terminal cd to main.py location, in this case legajos_automaticos/src/, and from there, run again your command, since you already are inthe same place where the file is stored(it makes a issue diference for flet, trust me) because flet is not finding the file under legajos_automaticos.

2. form (.venv) PS C:\Users\ricar\proyectos_flet\legajos_automaticos> run the command this way>

flet run -d src/main.py

Good luck.

Jan9280

I can see 2 appraches:-

First one:- Enforce at the source (Dataverse security roles) — the real control

Create a Read-Only role for your target table(s):

Table permissions: Read = Organization, Create/Write/Delete = None, Append/Append To = None (adjust if they need lookups).

Create a Writer role for selected users:

Table permissions: Create/Write (and Append/Append To) = BU/Org as needed; Delete optional.

Assign the Writer role to a Dataverse Team that’s mapped to an AAD security group. Add/remove people in that AAD group to control who can write. Everyone else only gets the Read-Only role.

This way—even if someone finds a way to hit your flow—the write will fail if they don’t have Dataverse write permission.

Second one:- Make the flow run as the caller (not as you)

For your Instant cloud flow triggered from the Power BI button:

Open the flow → Details → Run-only users.

It seems like you're looking for a "one-in-all" answer. Maybe reworking/redoing one of your initial attempts may get you the answer, but I'm a fan of breaking things up. Personally, I have a work requirement related to expense tracking, so I've been researching OCR for mobile and found:

https://github.com/a7medev/react-native-ml-kit or the NPM link

With the extracted text, you could easily run a cheap/free server (AWS free-tier, Google Cloud free-tier, Heroku cheap) with a mini LLM and pass the extracted text and a text prompt to a server to get the heavy load off the user's mobile device.

Consider whether you truly want everything on a mobile device.

Even after quantizing a model, you'll still be looking at about 50-100MB of size alone (just for the model) which is a pretty large app. I believe Android's Google store has a limit of 150MB and then you have to do some funky file splitting (I think).

Restlets are probably your best bet. Another avenue is SOAP web services, which has bulk list operations. But that will be deprecated with update 2026.1

As far as what you call hydration, suite analytics connect and the relevant connect drivers are the way I would go. Same SuiteQL syntax, but better for large volumes of data.

hello any advanced api traders ,

the Postman postbot remarks that the error:400 on my X-VALR-API-KEY Header is the result of a trailing space before or after my token key and the next one . Is that true ?

help thanks .

Just dont use JOIN, use WHERE, like this:

delete from catalog.schema.table
where exists (
  select 1
  from tableWithRowsToDelete as D
  join catalog.schema.table as O
    ON O.col1 = D.col1
    AND O.col2 = D.col2
)

Use username(without @) inplace of channelId it work for me, sadly for the username you have to make the channel public.

What about doing that?

#include <stdio.h>
#include <stdlib.h>
#include <cpuid.h>

int main() {
    unsigned int eax, ebx, ecx, edx;
    char vendor[13];
    char brand[49];

    if (__get_cpuid(0, &eax, &ebx, &ecx, &edx)) {
        ((uint*)vendor)[0] = ebx;
        ((uint*)vendor)[1] = edx;
        ((uint*)vendor)[2] = ecx;
        vendor[12] = '\0';
        printf("Vendor: %s\n", vendor);

    }

    brand[0] = '\0';
    for (int i = 0x80000002; i <= 0x80000004; i++) {
        if (__get_cpuid(i, &eax, &ebx, &ecx, &edx)) {
            uint *p = (uint*)(brand + (i - 0x80000002) * 16);
            p[0] = eax; p[1] = ebx; p[2] = ecx; p[3] = edx;

        }

    }
    brand[48] = '\0';
    printf("CPU Name: %s\n", brand);

    uint maxLeaf = __get_cpuid_max(0, NULL);
    if (maxLeaf >= 4) {
        __cpuid_count(4, 0, eax, ebx, ecx, edx);
        uint coresPerPkg = ((eax >> 26) & 0x3F) + 1;
        printf("Cores per package: %u\n", coresPerPkg);

    }

    if (maxLeaf >= 1) {
        __get_cpuid(1, &eax, &ebx, &ecx, &edx);
        uint baseMhz = eax & 0xFFFF;
        uint maxMhz = ebx & 0xFFFF;
        printf("Base clock: %u MHz\nMax clock: %u MHz\n", baseMhz, maxMhz);

    }

    if (maxLeaf >= 4) {
        int i = 0;
        while (1) {
            __cpuid_count(4, i, eax, ebx, ecx, edx);
            uint cacheType = eax & 0x1F;
            if (cacheType == 0) break;
            
            uint level = (eax >> 5) & 0x7;
            uint ways = ((ebx >> 22) & 0x3FF) + 1;
            uint partitions = ((ebx >> 12) & 0x3FF) + 1;
            uint lineSize = (ebx & 0xFFF) + 1;
            uint sets = ecx + 1;
            uint size = ways * partitions * lineSize * sets / 1024;

            printf("L%u cache size: %u KB\n", level, size);
            i++;

        }

    }

    return 0;

}

Expected Output:

Vendor: GenuineIntel
CPU Name: 11th Gen Intel(R) Core(TM) i5-1135G7 @ 2.40GHz
Cores per package: 8
Base clock: 1729 MHz
Max clock: 2048 MHz
L1 cache size: 48 KB
L1 cache size: 32 KB
L2 cache size: 1280 KB
L3 cache size: 8192 KB

The most common way is to wrap your command in a retry loop inside your PowerShell or Bash script, where you can check the attempt number and add Start-Sleep between tries.

You should use the value={selectedColor} prop instead of defaultValue. That makes the Select “controlled” so it will keep focus on the selected option even after re-renders.

Hey I also want to create a site similar to one like that but I really don't know how to embed such ruffle games, is there any way I can find out how to?

I know this was solved 13 years ago, but I would like to reemphasize what gbulmer said:

If this is an interview question (and not on a closed-book test,) you should be asking questions. The interview actually has 3 goals:

• to see if you know the tech (the most obvious test, if you can't perform the task, you fail)

• to see if you need excessive hand-holding (if you ask dozens of questions you will fail this one,)

• to see if you will verify unspoken assumptions (if you ask 0 questions, you will fail this one instead)

The task looks neat and tidy, but it is actually ridiculously broad. Here are the questions you need to ask, before starting on your task:

1. What does "safe" mean?

   1. Should the data structure be type-safe? (and how do I handle garbage data?)

   2. Should it be thread-safe? (or can I assume only one process will ever use it?)

   3. Are there any additional "safety features" you need? (security, error correction, backups. They should say "no", but it doesn't hurt to ask.)

2. What does "efficient" mean?

   1. Should you prioritize time or space?

   2. Should you prioritize saving numbers or retrieving numbers?

3. What does "a phone book" mean?

   1. Can numbers be longer than 8 digits (18 on a 64 bit system?)

   2. Can numbers have additional and symbols in them (-,+,#, and space are likely) and if so, should these numbers be reproduced as written, stripped down to a sequence of digits, or reconstituted into a specific format?

   3. Can people's names consist entirely of numbers (and whatever additional symbols we designated in question 3.2?)

   4. Are there future plans to expand the phone book with additional fields (addresses for example) or can you assume that a name-to-number correspondence is all that will ever be needed?

   5. Can contacts be modified?

      1. A name assigned a new number?

      2. A number assigned a new name?

      3. The whole contact be deleted?

Having claridifed the task, you can proceed. Assuming the answers are: type-safe, but not thread-safe and the structure should return blank name or 0 when the input is incorrect, but never throw exceptions. Prioritize time and retrieval. Numbers can be as long as the user wants, but all numbers with the same digits are considered equal, names will include at least one letter and contacts will be deleted when they become obsolete, but no further modification will occur. A possible solution can do the following:

The data structure will expose 5 methods:

• boolean AddContact(string name, string number)

• string FindNumber(string name)

• string FindName(string number)

• boolean DeleteByName(string name)

• boolean DeleteByNumber(string number)

Internally it will consist of a HashMap (we are guaranteed no collisions between numbers and names, so one is enough) and a few helper methods.

Sample implementation here: https://dotnetfiddle.net/JWEUPi

In Android Studio Ladybug 2024.2.1 or IntelliJ IDEA, this error can happen even if you have Java 21 installed and enabled by default. For example, you could set your $JAVA_HOME environment variable to use the JDK that comes from Android Studio, using this guide Using JDK that is bundled inside Android Studio as JAVA_HOME on Mac :

# For ~/.bash_profile or ~/.zshrc
export JAVA_HOME="/Applications/Android Studio.app/Contents/jbr/Contents/Home"

But for some reason, an Android project that declares that it needs Java 17 in a build.gradle file cannot be compiled with Java 21.

java {
  sourceCompatibility JavaVersion.VERSION_17
  targetCompatibility JavaVersion.VERSION_17
}

kotlin {
  jvmToolchain(17)
}

You'll see an error like this when you try to build the app:

org.gradle.jvm.toolchain.internal.NoToolchainAvailableException:
No matching toolchains found for requested specification:
{languageVersion=17, vendor=any, implementation=vendor-specific} for MAC_OS on aarch64.

Could not determine the dependencies of task ':app:compileKotlin'.
> No locally installed toolchains match and toolchain download repositories have not been configured.

The solution is to download a specific Java 17 JDK/SDK manually, and make your project use it:

• Android Studio ➔ File ➔ Settings (Windows/Linux). Android Studio ➔ Settings (MacOS).
• Search for 'gradle' in the top-left of the Settings dialog.
• Navigate to Build, Execution, Deployment ➔ Build Tools ➔ Gradle ➔ Gradle Projects ➔ Gradle JDK ➔ Download JDK...

• Pick any Java 17 JDK to download it.

• It will be available to use as soon as the download has finished. Then use Android Studio ➔ Build ➔ Make Project.
• See also:
  • Android Studio Error "Android Gradle plugin requires Java 11 to run. You are currently using Java 1.8"
  • How do I change the IntelliJ IDEA default JDK?

I'm experiencing the same issue, and everything I've tried isn't working. Works fine on iOS though...

Interesting... I tried to rebuild the code in "Release" mode and everything works nicely. Still does not work in Debug mode.. weird

I created an NPM package google-maps-vector-engine to handle PBF/vector tiles on Google Maps, offering near-native performance and multiple functionalities. I recommend giving it a try.

my issue was that i had a lot of unsaved tabs that i was not sure i will keep.

in my case i have to use a different user for that task and .

i just force kill the specific session \ process ID and re lunched it , on re lunched it showed recovery option. that solved my issue.

Python is open source language

But you was mentioned oracle is only.I could have used other Operating system or not

Use "Automate"

https://play.google.com/store/apps/details?id=com.llamalab.automate

Interact Power dialog.

1. In Automate create Flow enter image description here

2. Install to home screen shortcut. enter image description here

3. Button Power menu enter image description here

We dropped the spring tables, which were a few years old but had not been used, and rebuilt them with a new script. After that it seems to work, so there must have been something funky with the old tables, even though they looked correct.

Create a image features a stylish young man captured in a headshot, likely for a fashion or lifestyle context. He's wearing rectangular, black-framed sunglasses that give him a chic, modern look. Underneath a cream-colored collared overshirt with large dark buttons, he has on a plain black t-shirt, creating a classic and versatile color palette. His hair is neatly styled with good volume on top and faded sides, complementing his well. The background is a simple, dark gray, putting the focus entirely on him. The lighting is soft and even, highlighting his features without harsh shadows, which contributes to the overall clean and sophisticated aesthetic.

I am having a similar, but not identical problem. Spacyr works with spacy_initialize(model="en_core_web_sm", but not with (model="de_core_news_sm"), i.e. the trained German texts.

input of reticulate::use condaenv ("spacy_condaenv", required=T) is no remedy. Could sb. please help me?

Best,

Manfred

Yes, the list you mentioned is what GKE recognizes when working with structured logs. GKE collects application logs from non-system containers structured logging is supported by outputting single-line JSON objects to these streams, which the agent parses into jsonPayload fields in Cloud Logging. GKE uses a fluentbit based logging agent (not the full Ops Agent) by default to collect application logs from stdout/stderr, supporting structured JSON logs.

The legacy Logging agent was used in older GKE setups but is deprecated for new features. The full Ops Agent combines logging and metrics collection via Fluent Bit and OpenTelemetry is recommended for Compute Engine VMs but isn't manually installed in GKE. For further reference see this Which agent should you choose?

For best practices you can refer to this documentations :

• Structured logging in Google Cloud

• 5 tips for Cloud Logging that everyone should know

UINavigationBar 's background color change can be achieved by UINavigationBarAppearance

let appearance = UINavigationBarAppearance()
appearance.configureWithOpaqueBackground()
appearance.backgroundColor = .black
        
navigationController?.navigationBar.standardAppearance = appearance
navigationController?.navigationBar.scrollEdgeAppearance = appearance

For the UIBarButtonItem , Liquid glass automatically chooses the tint color depending upon the background of the navigation example:

Dark Background:

Light Background:

Additionally, if you set the value of style property of UIBarButtonItem to UIBarButtonItem.Style.prominent it would change the liquid glass background color like this:

nb1.style = .prominent
nb2.style = .prominent
nb3.style = .prominent
nb4.style = .prominent

Based on the solution from HellNoki, I encountered a library with a somewhat deep dependency tree. I had to opt for an alternative solution, letting npm do its job...,

import type { ForgeConfig } from "@electron-forge/shared-types";
import { execSync } from "child_process";

const config: ForgeConfig = {
    packagerConfig: {
        asar: true,
    },
    rebuildConfig: {},
    hooks: {
        // The call to this hook is mandatory for exceljs to work once the app built
        packageAfterCopy(_forgeConfig, buildPath) {
            const requiredNativePackages = ["[email protected]"]; // or "exceljs"

            // install all asked packages in /node_modules directory inside the asar archive
            requiredNativePackages.map((packageName) => {
                execSync(`npm install ${packageName} -g --prefix ${buildPath}`);
            });
        },
    },
    // ... others configs
    
};

export default config;

That way, even if the library has new dependencies in the future, there won't be any breakage.

However, remember to update the package version if it is modified.

npm install packageName -g --prefix 'directory' allows you to install a package in a node_modules folder other than the current directory. As seen here https://stackoverflow.com/a/14867050/21533924

Thanks to the help of @fuz, I learned my target was wrong. I looked thought compatible targets for my device and landed on aarch64-unknown-none. I also had to specify that mrs {}, MPIDR_EL1 needed to be x0 and not w0 by changing that line to mrs {0:x}, MPIDR_EL1.

One option is to use a local sandbox that simulates WhatsApp’s webhook model. That way you don’t have to override your production webhook or spin up a second WhatsApp app just to test.

I built an open-source tool called WaFlow that does this:

• It runs locally in Docker.

• You type into a simple chat UI, and it POSTs to your bot’s webhook exactly like WhatsApp would.

• Your bot replies via a small API, and you can replay conversations for regression testing.

This lets you iterate on bot logic without touching your production WhatsApp Cloud API setup.

https://github.com/leandrobon/WaFlow

The line if __name__ == "__main__": checks whether the Python file is being run directly (in which case __name__ is set to "__main__") or imported as a module (where __name__ becomes the module’s name), and if the condition is true, the next line print("Hello, World!") executes, which outputs the message to the console; this structure is useful because it ensures that certain code only runs when the file is executed directly, not when it is imported elsewhere.

This happens when you have a proxy in front of you FastAPI.

FastAPI expects you to have the docs at the root of your URL

If the URL for the FastAPI is https://www.example.com/example/api/

add:

app = FastAPI(
    root_path="/example/api/"
)

This way https://www.example.com/example/api/docs will work

That Playwright error (net::ERR_HTTP2_PROTOCOL_ERROR) usually means the target server (in this case Tesla’s site) is rejecting or breaking the HTTP/2 connection when it detects automation or a mismatch in how the request is made. It can happen if the site blocks headless browsers, if Playwright’s HTTP/2 negotiation isn’t fully compatible with the server or CDN, or if there’s some network interference. A few workarounds often help: try running the browser in non-headless mode (headless=False) to see if it’s specifically blocking headless traffic, set a custom user agent and headers so the request looks like a normal browser, or experiment with different goto load states instead of waiting for a full page load. In some cases, forcing the browser to fall back to HTTP/1.1, or using a VPN/proxy, can bypass the issue. Essentially, the problem is not your Playwright code itself but how Tesla’s server responds to automated requests over HTTP/2.

Seems like a library bug. That's the same behavior as in the PrimeReact docs.

https://primereact.org/listbox/#virtualscroll

public static class AppRoles
{
    public const string Administrator = "Administrator";
    public const string Secretary = "Secretary";
    public const string Technician = "Technician";
}

@attribute [Authorize(Roles = AppRoles.Technician)]

I also have an auto-updating feature built into my PyInstaller application that detects a version mismatch and then calls a support (updater) application that essentially swaps out the old app with the new one.

In order to resolve the error you are running into, a separate PyInstaller app of any kind must be executed thus creating a new _MEIxxxx folder. This will "trick" the OS into moving on to a new _MEI naming convention.

My theory as to what happens when running for example, MyApp.exe, a folder is built and the OS for some reason get's stuck with its reference to that folder for MyApp.exe. So, the next time that same app is executed (within the chain reaction that is started on the update), it will try to use the same "randomly" generated number.

In your order of events, I would suggest something like this:

1. Run MyApp.exe

2. Oh no! An updated is needed! Execute our installer application and close MyApp.exe

3. Once our original app is closed, replace MyApp.exe with the brand new one

4. Now, either run a PyInstaller application of any kind that is not MyApp.exe (this will create a new _MEI naming convention) or for bonus points build your installer (updater) application using python and PyInstaller which will flush out the old _MEI folder name

5. Launch the new MyApp.exe

6. Close installer and our separate app we used to change the _MEI folder names if needed

This was quite a tricky one that I could not find anyone else running into this issue. As long as I run some sort of alternative PyInstaller app that is not the primary app, I avoid this error.

Hope this helps! Cheers

Use trait struct like here: Using a nested name specifier in CRTP

#include <iostream>

template <typename TDerived>
struct traits;

template <typename TDerived>
struct Base
{
    int array[traits<TDerived>::NValue];
};

template <int N>
struct Derived : Base<Derived<N>>
{};

template <int N>
struct traits<Derived<N>> {
  constexpr static int NValue = N;
};


int main()
{
    Derived<8> derived;
    Base<decltype(derived)>& b = derived;
    std::cout << sizeof(b.array);
}

I tested this in adf and a combination of substring and lastindex of functions did the trick. see the screenshot below. There is an '_' before the datepart starts. in the substring I am selecting the string from the beginning till last '_'.

Use "Automate"

https://play.google.com/store/apps/details?id=com.llamalab.automate

Interact Power dialog

DigitalOcean has recently started blocking SMTP ports: https://docs.digitalocean.com/support/why-is-smtp-blocked/

If you have this issue in the mac version of vscode then go to keyboard shortcuts ⌘K + ⌘S and then look for editor.action.clipboardCopyAction and make sure it's ⌘C

https://github.com/sergiocasero/kmm_mtls_sample

check it out

expect class HttpClientProvider {
    fun clientWithMtls(block: HttpClientConfig<*>.() -> Unit): HttpClient
    fun client(block: HttpClientConfig<*>.() -> Unit): HttpClient
}

python app.py

* Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)

I use this service Dominus to manage priorities mongodb. It allows you to manage MongoDB priorities from the web interface. If you're interested, here's the link to the project.

I see a similar error message. I had the same scheme working fine some months ago in May 2025, with Xcode 15. Now with Xcode 16.4, on [productsRequest start] I get the mentioned error in the Xcode log and the delegate returns my identifiers as _invalidIdentifiers. Could it be an Apple bug?

I can fetch a new synchronized StoreKit configuration file with up-to-date data. So my environment seems not altogether wrong.

<p>hi</p> <!-- IDK how to help sorry :( -->

Watcom Fortran 77: use form='unformatted' and recordtype='fixed' in the open statement. You can read any amount any time without losing any bytes - also works for writing a file. I use it all the time.

If you go into setting make your way down to editor then click general and scroll about half way down you will see virtual space as a option. enjoy

Thank you to @Larme for helping. With landscape only in target settings. This will give left or right even when the device is held in the portrait orientation.

if let windowScene = UIApplication.shared.connectedScenes
    .first(where: { $0 is UIWindowScene }) as? UIWindowScene {
    
    switch windowScene.interfaceOrientation {
    case .landscapeLeft:
        print("Landscape Left")
    case .landscapeRight:
        print("Landscape Right")
    }
}

Its working now for me , I just rebuild It and the build is successful
So I think that there was a little shutdown on the mavensync zk server but they finally fix it

ssh-add "C:\Users\{user}\.ssh\id_rsa"

Instead of asking for my key, this prompt is requesting the passphrase I set during keygen.

My final compilation step was not linking to -lpthread, which was why it was failing. Adding $(CXXFLAGS) to the main target resolved the issue.

$(TARGET): $(OBJS)
        $(CXX) $(CXXFLAGS) $(OBJS) -o $@

For those who use Symfony on the project:
I have search, a regular search through all the files, around 8-10 seconds.

I've just cleared the index in PHP --> Symfony --> Clear index (button), and it helped/impoved performance as expected - not more than a second.

I guess it was related to the volumes of many services (lots of files) that have been added to the project.

It seems that your case has been a common issue. I ran into this myself a while back and after a lot of digging, I found a similar case and an issue tracker, which shows that you all have had the same problem.

You can try this approach as a workaround, which is highlighted on the issue trackers's comment #87: you need to use a complex type for the logical date/timestamp field.

Also, it's a good idea to comment on the issue tracker to let the team know that the behavior is still causing confusion for developers. The more people who report it, the more likely they are to improve the documentation or behavior.

what about?

function input(){
    in="$(cat /dev/stdin)"
    printf "$in"
}

I got a win last night and it was real, I played on the JO777 site

In my case what did the trick was disabling buildkit
DOCKER_BUILDKIT=0 docker compose -f ./docker-compose.yaml build

Docker version 28.1.1, build 4eba377

Docker Compose version v2.35.1

I figured out what was missing. I needed to add the -longpaths parameter to the exe export.

Avizo doesn’t provide a direct way to compute the mean of all vectors in a field. The usual workflow is to export the vector field e.g. txt, csv, then compute the mean externally

Move the <ClerkProvider> wrapper into the NavBar, or any other route of your choice than the Root Layout, i.e., in this case, src/app/layout.tsx to avoid multiple providers. For Sanity studio brings its own auth.

My solution appeared as just "brew upgrade" :)))

Documentation is lacking, this is the way.

New-ScheduledTaskTrigger -Once:$false -At '14:45' -RepetitionInterval ([timespan]'1:00:00') -RepetitionDuration ([timespan]'1:00:00:00')

.search-form .select2-search--inline,
.search-form .select2-search__field {
  width: 100% !important;
}

.search-form:has(.select2-selection__choice) .select2-search {
  width: unset !important;
}

.search-form:has(.select2-selection__choice) .select2-search__field {
  width: 0.75em !important;
}

You’re right — if you just decrypt a section, modify it, and then re-encrypt it with the same key/nonce/counter values, you’ll be reusing the same keystream, which breaks the security of ChaCha20. A stream cipher must never encrypt two different plaintexts with the same keystream.

What you can do instead is take advantage of the fact that ChaCha20 (like CTR mode) is seekable. The keystream is generated in 64-byte blocks, and you can start from any block counter to encrypt or decrypt an arbitrary region of the file. That means you don’t need to reprocess the whole file, only the blocks that overlap with the data you want to change — as long as the key/nonce pair is unique for that file.

If you expect frequent in-place modifications, a common approach is to split the file into fixed-size chunks and encrypt each chunk separately with its own nonce. That way, when you change part of the file you only need to re-encrypt the affected chunks, and you don’t risk keystream reuse.

Also, don’t forget integrity: ChaCha20 on its own gives you confidentiality, but not tamper detection. In practice you’d want something like XChaCha20-Poly1305 per chunk to get both random access and authentication.

I use this service to manage priorities https://github.com/Basyuk/dominus

Answer - No, It Is Not Possible

Aha, someone phrased this differently, here ... I just found this whilst searching for "odata $value array" ... and the answer was basically that this is not possible! :-)

https://stackoverflow.com/a/40414470/21167799

( I did not see this in the list of suggested other posts )

Yes, it's possible to enhance Selenium with AI-based tools to make element detection more resilient to UI changes. Here are a few options:

AI Tools for Smarter Element Location

Testim or Functionize

AI-driven test platforms that can self-heal locators when UI changes.

Mabl

Uses machine learning to automatically adapt to changes in the DOM.

Healenium (open-source)

Works with Selenium and Java

Self-heals broken locators at runtime using historical data.

Applitools Eyes

Visual AI testing to detect layout/UI changes (can work alongside Selenium).

Currently, this feature is working only with Float type columns not with Int datatype,

Once i convert the datatype it started working

Thanks to Acumatica team for detail investigation

In Shopware 6 sync API, you can update products directly using their product number instead of IDs. It’s similar to how a female Quran teacher can recognize students by name rather than complex codes.

In my case the Problem was a part of the search path that's a symbolic link without a target, here "Helpers":

/Users/myuser/Qt/Projects/softphone/dist/softphone.app/Contents/Frameworks/PySide6/Qt/lib/QtWebEngineCore.framework/Helpers

After copying the folder from "source" my App runs.

With above code the result is like below enter image description here

But expected result is like below. enter image description here

Below is the drawing view reference enter image description here

I'm also facing this problem some time while clicking the pdf its showing blank screen may i know the solution

import React, { useState, useCallback, ReactNode, Component } from "react";
import {
  Text,
  TouchableOpacity,
  View,
  Image,
  ScrollView,
  ActivityIndicator,
  Alert,
  Dimensions 
} from "react-native";
import { WebView } from "react-native-webview";
import { useFocusEffect } from "expo-router";
import * as Linking from "expo-linking"; // 👈 for external browser
import Styles from "./DocumentStyles";
import StorageService from "@/constants/LocalStorage/AsyncStorage";
import { ApiService } from "@/src/Services/ApiServices";

interface DocumentItem {
  id: number;
  documentName: string;
  fileUrl: string;
}

const generateRandomKey = (): number => Math.floor(Math.random() * 100000);

class WebViewErrorBoundary extends Component<
  { children: ReactNode; onReset: () => void },
  { hasError: boolean }
> {
  constructor(props: { children: ReactNode; onReset: () => void }) {
    super(props);
    this.state = { hasError: false };
  }

  static getDerivedStateFromError(): { hasError: boolean } {
    return { hasError: true };
  }

  componentDidCatch(error: Error, info: any) {
    console.error("[WebViewErrorBoundary] WebView crashed:", error, info);
    this.props.onReset();
  }

  render() {
    if (this.state.hasError) return <></>;
    return this.props.children;
  }
}

const Documents: React.FC = () => {
  const [documents, setDocuments] = useState<DocumentItem[]>([]);
  const [loading, setLoading] = useState<boolean>(true);
  const [selectedPdf, setSelectedPdf] = useState<DocumentItem | null>(null);
  const [webViewKey, setWebViewKey] = useState<number>(generateRandomKey());

  const fetchDocuments = async () => {
    setLoading(true);
    try {
      const agentIdStr: string = (await StorageService.getData("agentId")) || "0";
      const agentId: number = parseInt(agentIdStr, 10);
      const response: DocumentItem[] = await ApiService.getDocuments(agentId);
      setDocuments(response);
    } catch (error) {
      console.error("[Documents] Error fetching documents:", error);
    } finally {
      setLoading(false);
    }
  };

  useFocusEffect(
    useCallback(() => {
      fetchDocuments();
    }, [])
  );

  const openPdf = async (documentId: number) => {
    try {
      const agentIdStr: string = (await StorageService.getData("agentId")) || "0";
      const agentId: number = parseInt(agentIdStr, 10);
      const latestDocuments: DocumentItem[] = await ApiService.getDocuments(agentId);
      const latestDoc = latestDocuments.find((doc) => doc.id === documentId);
      if (!latestDoc) return;

      setWebViewKey(generateRandomKey());
      setSelectedPdf(latestDoc);
    } catch (error) {
      console.error("[Documents] Failed to open PDF:", error);
    }
  };

  const closePdf = () => setSelectedPdf(null);

  if (loading) return <ActivityIndicator size="large" style={{ flex: 1 }} />;

  return (
    <View style={{ flex: 1 }}>
      {/* Document List */}
      {!selectedPdf && (
        <ScrollView showsVerticalScrollIndicator={false}>
          <View style={{ margin: 15, marginBottom: 10 }}>
            <View style={Styles.card}>
              <Text style={Styles.headerText}>All Documents</Text>
              {documents.map((item) => (
                <View key={item.id} style={Styles.itemContainer}>
                  <TouchableOpacity onPress={() => openPdf(item.id)}>
                    <View style={Styles.itemWrapper}>
                      <View style={Styles.itemLeft}>
                        <Image
                          source={require("../../../assets/images/fileview.png")}
                          style={Styles.fileIcon}
                        />
                        <Text style={Styles.itemText}>{item.documentName}</Text>
                      </View>
                      <Image
                        source={require("../../../assets/images/forward_icon.png")}
                        style={Styles.arrowIcon}
                      />
                    </View>
                  </TouchableOpacity>
                  <View style={Styles.attachmentsingleline} />
                </View>
              ))}
            </View>
          </View>
        </ScrollView>
      )}

      {/* PDF Viewer */}
      {selectedPdf && (
        <WebViewErrorBoundary onReset={() => setWebViewKey(generateRandomKey())}>
        <WebView
  key={webViewKey}
  source={{
    uri: `https://docs.google.com/gview?embedded=true&url=${encodeURIComponent(
      selectedPdf.fileUrl
    )}`,
    headers: { "Cache-Control": "no-cache", Pragma: "no-cache" },
  }}
  cacheEnabled={false}
 startInLoadingState={true}  
 style = {{marginTop: 20, width: Dimensions.get('window').width, height: Dimensions.get('window').height}}
  nestedScrollEnabled={true}
  javaScriptEnabled={true}
  domStorageEnabled={true}
  renderLoading={() => <ActivityIndicator size="large" style={{ flex: 1 }} />}
  onError={() => {
    Alert.alert(
      "PDF Error",
      "Preview not available. Do you want to open in browser?",
      [
        { text: "Cancel", style: "cancel" },
        { text: "Open", onPress: () => Linking.openURL(selectedPdf.fileUrl) },
      ]
    );
  }}
  onContentProcessDidTerminate={() => {
    console.warn("[Documents] WebView content terminated, reloading...");
    setWebViewKey(generateRandomKey());
  }}
/>
        </WebViewErrorBoundary>
      )}
    </View>
  );
};

export default Documents;

I managed to resolve the problem with reinstalling Emscripten (build from source) and also the build scripts inside ffmpeg.wasm was very useful, and if you are not using Docker see the Dockerfile because you will need to set some environment variables before using the mentioned scripts.

There are two articles that are useful for learning compilation of FFmpeg into WebAssembly:

• FFmpeg + WebAssembly - DEV Community

• Build FFmpeg WebAssembly version (= ffmpeg.wasm): Part.1 Preparation | TechBlog

In Bit Flows Pro,the flow runner timeout is 20 seconds. However, if your server or application environment has a lower timeout configured, the process may stop earlier, which could explain why the flow ends before reaching the final nodes, even though it reports as “SUCCESS.”

A possible solution can be increasing the timeout limits on your server side , so that they are set higher than our flow runner timeout. That way, the entire flow has enough time to complete all nodes without being cut short.

Also please share the flow by exporting with me so that I can figure out the issue

Let's combine:

• sqlite_master, which returns the list of objects,

• pragma_table_info('yourtable'), which returns the list of columns for the table yourtable

Result :

WITH sm AS (SELECT name FROM sqlite_master WHERE type = 'table')
SELECT * FROM PRAGMA_TABLE_INFO(sm.name), sm ORDER BY sm.name, 1;

Building off of Austin's answer since I was also looking for an example where (tight) big-O and big-W for worst case was different. Think of this: we have some (horrible) code where we have determined that the runtime function for the worst case inputs set is 1 when n is odd and n when n is even. Then, the upper bound of the runtime of the worst case of this code is O(n), while the lower bound is W(1).

Abandoning PR helped me. I abandoned my PR, added a small change in the branch, started to create a new PR - and it got updated

No. On Xtensa (ESP32/ESP32-S3), constants that don’t fit in an instruction’s immediate field are materialized from a literal pool and fetched with L32R. A literal-pool entry is a 32-bit word, so each such constant costs 4 bytes even if the value would fit in 16 bits.

Why you’re seeing 4 bytes:

GCC emits L32R to load the constant into a register; L32R is a PC-relative 32-bit load from the pool. There’s no 16-bit “L16R” equivalent for literal pools on these cores. (Small values may be encoded with immediates like MOVI/ADDI, but once the value doesn’t fit, it becomes a pooled literal.)

What you can do instead (to actually use 16-bit storage):

Put thresholds in a table of uint16_t in .rodata (Flash) and load them at run time, instead of writing inline literals in expressions. That lets the linker pack them at 2 bytes each (modulo alignment), and the compiler can load them with 16-bit loads (l16ui) and then compare.

You can tag the source with an annotation @JsonProperty

Ex: enter image description here in myDto, although the variable that I define is the same as the one that I define in @Jsonproperty, but it's not the same. The problem that leads to this is the auto-generation of @Getter and @Setter by Loombook

This kind of roadblock is exactly why many organisations prefer something called a Mobile Device Management (MDM) Solution. Instead of relying on StageNow or custom scripts, an MDM gives direct visibility into serial numbers, IMEI, and other identifiers across ethe ntire fleet. It not only saves time but also sets a bar as to how these values are pulled and stored, which are critical when you are scaling and testing beyond few units. There are some really MDM solutions in the market like Scalefusion or SOTI.

The error “Error response from daemon: manifest for during publish” usually occurs when the Docker image you are trying to push or pull does not exist or the tag is incorrect. To resolve this issue:

By following these steps, your Docker deployment for NCERT Solutions Class 7 via Veda Academy should work smoothly without manifest errors.

Visit for more info: https://vedaacademy.in/ncert-solutions/ncert-solutions-class-7

Saving the bat file using code page 850 solved the problem for me

850 is the default windows code page for UK

I knew there had to be a trivial solution

Thanks to all who responded, espeacialy @Mark Tolonen

See, let me tell you what you did wrong here. What I am guessing here is that you allow guest posts on your websites that are draining your juice, which you are now referring to as Spam. And you have deleted it via your CMS directly. What was supposed to be done here is that you should have first used GSC to disinfect each of them and then deleted them. And still, you do not need to worry; it is a matter of days, but it will get deindexed. But yes te repution damage is real

If you really want to force a PDF to be viewed in the browser and to parse the document to get the pagecount, is to implement something like "pdf.js"

see https://mozilla.github.io/pdf.js/getting_started/

After some futher thoughts, I came to the conclusion that the answer is actually very simple: Just remove the increment after completion of the foreach loop:

#macro(renderChildItems $item $indentLevel)
  #set($childItems = $transaction.workItems().search().query("linkedWorkItems:parent=$item.fields.id.get AND NOT status:obsolete AND type:(design_decision system_requirement)").sort("id"))
  #foreach($child in $childItems)
    <tr>
    <td style="padding-left:$indentLevel$px">
      $child.render.withTitle.withLinks.openLinksInNewWindow()
    </td>
    </tr>
    #set($indentLevelNew = $indentLevels + $indentSizeInt)
    #renderChildItems($child $indentLevelNew)
  #end
#set($indentLevelNew = $indentLevels - $indentSizeInt) ##NEW
#end

Name=fires
TypeName=fires
TimeAttribute=time
PropertyCollectors=TimestampFileNameExtractorSPI[timeregex](time)
Schema=*the_geom:Polygon,location:String,time:java.util.Date
CanBeEmpty=true

ai-generated, fires - it is a name data store (maybe its mapping)

https://pub.dev/packages/keyboard_safe_wrapper

This package solves your problem.

TLDR:

• Partial evaluation starts at RootNode.execute() and follows normal Java calls - no reflection on node classes.

• Node instance constancy and AST shape are the foundation of performance.

• Granularity matters; boundaries matter even more.

• DSLs and directives aren’t mandatory, but they encode the performance idioms you’d otherwise have to rediscover.

• Inspection with IGV is normal — nearly everyone does it when tuning a language.

Full Answers:

how does Truffle identify the code to optimize?

Truffle starts partial evaluation at RootNode.execute(VirtualFrame). During partial evaluation, the RootNode instance itself is treated as a constant, while the VirtualFrame argument represents the dynamic input to the program.

Beyond that, Truffle does not use reflection or heuristics to discover execute() methods. It simply follows the normal Java call graph starting from the RootNode. Any code reachable from that entry point is a candidate for partial evaluation.

This means you can structure Node.execute(..) calls however you like, but for the compiler to inline and optimize them, the node instances must be constant from the RootNode’s point of view. To achieve that you should:

• Make fields final where possible.

• Annotate node fields with @CompilationFinal if their value is stable after construction.

• Use @Child / @Children to declare child nodes (this tells Truffle the AST shape and lets it treat those nodes as constants).

Granularity and @TruffleBoundary

Granularity matters a lot. Many small, type-specialized Node subclasses typically optimize better than one monolithic execute() method. @TruffleBoundary explicitly stops partial evaluation/inlining across a method boundary (useful for I/O or debugging), so placing it incorrectly can destroy performance. The usual pattern is to keep “hot” interpreter code boundary-free and push any side effects or slow paths behind boundaries.

Truffle DSLs and compiler directives

The DSLs (Specialization, Library, Bytecode DSL) are not strictly required for peak performance. Anything the DSL generates you could hand-write yourself. However, they dramatically reduce boilerplate and encode best practices: specialization guards, cached values, automatic rewriting of nodes, etc. This both improves maintainability and makes performance tuning much easier.

Similarly, compiler directives (@ExplodeLoop, @CompilationFinal(dimensions = ...), etc.) give the optimizer hints. They are incremental , you can start with a naïve interpreter, but expect to add annotations to reach competitive performance. Without them, partial evaluation may not unroll loops or constant-fold as expected.

Performance expectations and inspection

Truffle interpreters are not automatically fast. A naïve tree-walk interpreter can easily be slower under partial evaluation than as plain Java. Understanding how PE works, constants vs. dynamics, call graph shape, guard failures, loop explosion, etc. is essential.

In practice, most language implementers end up inspecting the optimized code. Graal provides two main tools:

• Ideal Graph Visualizer (IGV) for looking at the compiler graphs and ASTs.

• Compilation logs / Truffle’s performance counters to see node rewriting, inlining, and assumptions.

The Truffle docs have a dedicated “Optimizing Your Interpreter” guide that demonstrate the patterns. I would also recommend checking out the other language implementations for best practices.

Do not use next/head in App Router. Remove it from your components if present.
Make sure your layout.tsx has proper structure:

export default function RootLayout({ children }: { children: React.ReactNode }) {
  return (
    <html lang="en">
      <body>{children}</body>
    </html>
  );
}

Convex hull is possible, there are so many ways to do that, it may not be fully accurate. Concave hull is some extra process on a convex hull, like splitting the edge with the nearest vertex that stays in between them. I think there is no simple and widely accepted solution for that.