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martinruenz /
Last active Dec 12, 2019
ffmpeg snippets / cheatsheet
krisselden / trace-to-mp4.js
Last active Oct 17, 2019
Make an mp4 out of a Chrome DevTools trace with screenshots.
View trace-to-mp4.js
#!/usr/bin/env node
// Converts a saved Chrome dev tools recording with Screenshots to mp4
const fs = require('fs');
const path = require('path');
const spawn = require('child_process').spawn;
const FPS = 60;
const MICROSEC_PER_FRAME = Math.round(1000000 / FPS);
if (process.argv.length < 3) {
console.log(`node ${path.relative('.', process.argv[1])} [DevToolsProfile]`);
afolarin /
Last active Oct 13, 2019
Resource Allocation in Docker

#Container Resource Allocation Options in docker-run

now see:

You have various options for controlling resources (cpu, memory, disk) in docker. These are principally via the docker-run command options.

##Dynamic CPU Allocation -c, --cpu-shares=0
CPU shares (relative weight, specify some numeric value which is used to allocate relative cpu share)

PaulKinlan / criticalcss-bookmarklet-devtool-snippet.js
Last active Nov 26, 2019
CriticalCSS Bookmarklet and Devtool Snippet.js
View criticalcss-bookmarklet-devtool-snippet.js
(function() {
var CSSCriticalPath = function(w, d, opts) {
var opt = opts || {};
var css = {};
var pushCSS = function(r) {
if(!!css[r.selectorText] === false) css[r.selectorText] = {};
var styles =;(?![A-Za-z0-9])/);
for(var i = 0; i < styles.length; i++) {
if(!!styles[i] === false) continue;
var pair = styles[i].split(": ");
eqhmcow /
Last active Jun 20, 2019
HFSC - linux traffic shaping's best kept secret
# As the "bufferbloat" folks have recently re-discovered and/or more widely
# publicized, congestion avoidance algorithms (such as those found in TCP) do
# a great job of allowing network endpoints to negotiate transfer rates that
# maximize a link's bandwidth usage without unduly penalizing any particular
# stream. This allows bulk transfer streams to use the maximum available
# bandwidth without affecting the latency of non-bulk (e.g. interactive)
# streams.
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