khandar-william

Write a Markdown file for technical documentation of "any-zkvm" library.

The goal of this document is to teach future engineers to understand and maintain this library correctly.

This document should also include {@docs: C4 Model} diagrams in {@docs: Mermaid} syntax at three different levels:
1. System context diagram
2. Container diagram
3. Component diagram

khandar-william

To find out where disk space is being used:

1. use apt install ncdu

or

1. Get to the root of your machine by running cd /
2. Run sudo du -h --max-depth=1 | sort -rh
3. Note which directories are using a lot of disk space.
4. cd into one of the big directories.

khandar-william

// Tokopedia
function removeAdsType1() {
    var adsType1 = document.querySelectorAll('a[label-atm="taProduct"]');
    adsType1.forEach(function (e) {
        e.parentNode.remove(e);
    });
}
window.setInterval(removeAdsType1, 10000);

function removeAdsType2() {

khandar-william

// RestTemplate interceptor    
public class CustomRequestInterceptor implements ClientHttpRequestInterceptor {

        @Override
        public ClientHttpResponse intercept(
            final HttpRequest request,
            final byte[] body,
            final ClientHttpRequestExecution execution
        ) throws IOException {
            log.info("INTERCEPT {} {} {} body {}", request.getMethodValue(), request.getURI(), request.getHeaders(),

khandar-william

Expected state mixing local transaction and external API

\	DB succeed	DB failed
API succeed	DB changed, API changed	DB unchanged, API unchanged
API failed	DB unchanged, API unchanged	DB unchanged, API unchanged

khandar-william

// Put in build.gradle

// Log timings per task.
class TimingsListener implements TaskExecutionListener, BuildListener {
    private Clock clock
    private timings = []

    @Override
    void beforeExecute(Task task) {
        clock = new org.gradle.util.Clock()

khandar-william

Brown Bag Ethereum Notes

Prerequisite:

1. Install ethereum dan solc

   sudo apt-get install software-properties-common
   sudo add-apt-repository -y ppa:ethereum/ethereum
   sudo apt-get update
   

sudo apt-get install ethereum solc

khandar-william

var EVENTS = [
  // source: https://www.w3.org/TR/html5/semantics-embedded-content.html#media-elements-event-summary
  'loadstart', 'progress', 'suspend', 'abort', 'error', 'emptied', 'stalled', 'loadedmetadata', 'loadeddata', 'canplay', 'canplaythrough', 'playing', 'waiting', 'seeking', 'seeked', 'ended', 'durationchange', 'timeupdate', 'play', 'pause', 'ratechange', 'resize', 'volumechange',
  // source: https://github.com/videojs/video.js/search?q=fires&unscoped_q=fires
  'beforemodalopen', 'modalopen', 'beforemodalclose', 'addtrack', 'modechange', 'change', 'selectedchange', 'enabledchange', 'close', 'beforepluginsetup', 'pluginsetup', 'dispose', 'removetrack', 'sourceset', 'load', 'slideractive', 'sliderinactive', 'statechanged', 'playerresize', 'ready',
  // source: https://support.brightcove.com/advertising-ima3-plugin
  'adstart', 'adend', 'readyforpreroll', 'ima3-ready', 'ima3error', 'ima3-ad-error', 'ads-request', 'ads-load', 'ads-ad-started', 'ads-ad-ended', 'ads-pause', 'ads-play', 'ads-ad-skippe

khandar-william

javascript:document.querySelectorAll('.load-diff-button').forEach(node => node.click())

khandar-william

// git: To delete all local branches that are already merged into the currently checked out branch:
git branch --merged | egrep -v "(^\*|master|dev)" | xargs git branch -d

// git: Delete local git branch
git branch -D <branch_name>

// git: Delete remote git branch
git push <remote_name/origin> --delete <branch_name>

// git: Pick specific file from another branch