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@101arrowz
101arrowz / README.md
Created September 25, 2020 01:14
How FFlate works

FFlate is the fastest, smallest, and most effective JavaScript compressor/decompressor currently; to create it, I used a variety of modified or optimized algorithms.

Part 1: The DEFLATE spec

The core of most popular compressed file formats is DEFLATE, or RFC1951. GZIP data, Zlib data, .zip files, PNG images, and more all use some variant of DEFLATE under the hood. At its core, the DEFLATE format is actually not too complex: it's merely a combination of Huffman coding and LZ77 compression.

If you don't understand either of these concepts, feel free to read the following subsections, or skip to Part 2 if you already know what these are and just want to get to implementation details.

Section I: Huffman Coding

Computers think of basically everything as numbers. The smallest unit of information in a computer is a single bit, which can only be either a 0 or a 1. When multiple bits are stringed together, they can be interpreted as a ba

@unoexperto
unoexperto / patch_apk_for_sniffing.md
Last active April 12, 2025 10:39
How to patch Android app to sniff its HTTPS traffic with self-signed certificate

How to patch Android app to sniff its HTTPS traffic with self-signed certificate

  • Download apktool from https://ibotpeaches.github.io/Apktool/
  • Unpack apk file: java -jar /home/expert/work/tools/apktool.jar d [email protected]
  • Modify AndroidManifest.xml by adding android:networkSecurityConfig="@xml/network_security_config" attribute to application element.
  • Create file /res/xml/network_security_config.xml with following content:
<?xml version="1.0" encoding="utf-8"?>
<network-security-config>
    <base-config>
@atinux
atinux / async-foreach.js
Last active April 2, 2025 11:34
JavaScript: async/await with forEach()
const waitFor = (ms) => new Promise(r => setTimeout(r, ms))
const asyncForEach = async (array, callback) => {
for (let index = 0; index < array.length; index++) {
await callback(array[index], index, array)
}
}
const start = async () => {
await asyncForEach([1, 2, 3], async (num) => {
await waitFor(50)
@orels1
orels1 / index.html
Created May 16, 2017 21:13
<!Doctype html>
<html>
<head>
<title>Discord Token Generator</title>
<style>
.container {
display: flex;
width: 100%;
padding: 40px 0;
align-items: center;
@pwlin
pwlin / gist:8a0d01e6428b7a96e2eb
Last active April 13, 2025 02:09
Android : add cert to system store
https://code.google.com/p/android/issues/detail?id=32696#c5
If you have a certificate that is not
trusted by Android, when you add it, it goes in the personal cert store.
When you add a cert in this personal cert store, the system requires a
higher security level to unlock the device. But if you manage to add your
cert to the system store then you don't have this requirement. Obviously,
root is required to add a certificate to the system store, but it is quiet
easy.
@parmentf
parmentf / GitCommitEmoji.md
Last active April 22, 2025 02:37
Git Commit message Emoji
@sheharyarn
sheharyarn / mongo_backup.sh
Last active December 12, 2024 15:16
Mongodump Shell Script for Cronjob
#!/bin/bash
MONGO_DATABASE="your_db_name"
APP_NAME="your_app_name"
MONGO_HOST="127.0.0.1"
MONGO_PORT="27017"
TIMESTAMP=`date +%F-%H%M`
MONGODUMP_PATH="/usr/bin/mongodump"
BACKUPS_DIR="/home/username/backups/$APP_NAME"