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@Xaekai
Xaekai / ipc.example.js
Created July 11, 2016 18:12
Example of Interprocess communication in Node.js through a UNIX domain socket
/*
**
** Example of Interprocess communication in Node.js through a UNIX domain socket
**
** Usage:
** server> MODE=server node ipc.example.js
** client> MODE=client node ipc.example.js
**
*/
@Boerworz
Boerworz / main.go
Last active October 10, 2023 09:14
Capturing the HTTP status code from http.ResponseWriter
package main
import (
"fmt"
"log"
"net/http"
)
func main() {
// We need to cast handleRoot to a http.HandlerFunc since wrapHandlerWithLogging
@ORESoftware
ORESoftware / cleanup.md
Last active January 7, 2023 06:47
Cleanup docker artifacts/items

Clean up docker images/containers/volumes/networks

#!/usr/bin/env bash


set +e;
@thinkerbot
thinkerbot / multiple_writers
Created September 1, 2013 18:39
Demonstrates that multiple writers to a single fifo often get inputs interleaved, regardless of sync.
#!/bin/bash
# 8... always?
mkfifo fifo
ruby -e '100000.times {|i| puts "a"}' > fifo &
ruby -e '100000.times {|i| puts "b"}' > fifo &
ruby -e '100000.times {|i| puts "c"}' > fifo &
ruby -e '100000.times {|i| puts "d"}' > fifo &
ruby -e '100000.times {|i| puts "e"}' > fifo &
ruby -e '100000.times {|i| puts "f"}' > fifo &
ruby -e '100000.times {|i| puts "g"}' > fifo &
@ORESoftware
ORESoftware / domain.md
Created December 16, 2018 21:19
Simple use cases for Node.js domain module

First run this code:

const exec = () => {
   setTimeout(() => {
      throw 'nothing can catch this, except domains';
   },10);
};
@ORESoftware
ORESoftware / rw.md
Last active January 28, 2019 07:26
Readers-writer lock for payment processing

No official CS education but I learned about readers-writer locks after implementing a mutex library. I happened to come across a real-world use case that I would need this for.

Say we have many people signing up to take a class, their payment (through Stripe, or whatever) might be in flight. And imagine the teacher cancels the class, which would trigger a refund event.

Without proper locking, the refund might fail to execute for those students whose payments are in flight at the time of the class cancelation.

@ORESoftware
ORESoftware / stringifiable.ts
Last active July 8, 2018 22:48
stringifiable type with TS
export type Stringifiable = object | string | boolean | number | null;
export const stdMarker = 'gfy';
export const getJSONCanonical = function (v: Stringifiable, marker?: string) {
marker = marker || stdMarker;
@dfkaye
dfkaye / import-scripts-proposal.md
Last active April 9, 2017 14:46
importScripts boilerplate pattern proposal alternatives for javascript

"JavaScript doesn't need more features; it just needs a couple of small things fixed" - Ryan Dahl

The CommonJS and AMD module syntaxes are unfriendly to each other, requiring boilerplate everywhere, which UMD tries to solve with more boilerplate.

The ES6 module syntax adds new keywords in strict mode, that then depend on a sharply modified cross-origin requests shims, and internal module management. An ES6 Module Transpiler aims to solve the not-yet-supporting environments problem with a source transformation step.

We don't need more syntax like imports x from 'x.js'. We don't need a module keyword that will break QUnit module() or Node.js modules.

@ORESoftware
ORESoftware / obs-vs-promises-resolution.js
Last active January 14, 2017 04:21
Async or sync resolution?
console.log(1);
new Promise(function(resolve,reject){
console.log(2);
resolve();
}).then(function(val){
console.log(3);
});
const Rx = require('rxjs');
console.log(1);
new Promise(function(resolve,reject){
console.log(2);
resolve();
});