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@chrisbanes
chrisbanes / ScopedViewModel.kt
Last active October 25, 2022 21:29
ScopedViewModel
open class ScopedViewModel : ViewModel() {
private val job = Job()
protected val scope: CoroutineScope = job + Dispatchers.Main
override fun onCleared() {
super.onCleared()
job.cancel()
}
}
@nadavrot
nadavrot / Matrix.md
Last active May 22, 2024 13:38
Efficient matrix multiplication

High-Performance Matrix Multiplication

This is a short post that explains how to write a high-performance matrix multiplication program on modern processors. In this tutorial I will use a single core of the Skylake-client CPU with AVX2, but the principles in this post also apply to other processors with different instruction sets (such as AVX512).

Intro

Matrix multiplication is a mathematical operation that defines the product of

@belst
belst / rocketguide.md
Last active March 13, 2024 22:09
Deploy Rocket in production

Deploy Rocket using Letsencrypt and nginx

Information

This guide uses the domain your-domain.tld and its www. prefixed version. It starts the rocket application on 127.0.0.1:1337 and as the user www-data. The proxy listens on port 80 and 443 though.
If you need other values, update them accordingly in your nginx and systemd configs.

Prerequisites

You need to have nginx, certbot and rust installed.

@avafloww
avafloww / PhpJava.java
Last active October 16, 2022 18:50
This snippet of code is syntactically valid in both PHP and Java, and produces the same output in both.
/*<?php
//*/public class PhpJava { public static void main(String[] args) { System.out.printf("/*%s",
//\u000A\u002F\u002A
class PhpJava {
static function main() {
echo(//\u000A\u002A\u002F
"Hello World!");
}}
//\u000A\u002F\u002A
PhpJava::main();

This document has moved!

It's now here, in The Programmer's Compendium. The content is the same as before, but being part of the compendium means that it's actively maintained.