Skip to content

Instantly share code, notes, and snippets.

@joeytwiddle
joeytwiddle / async-await-forEach-alternatives.md
Last active September 12, 2025 19:54
Do not use forEach with async-await

Do not use forEach with async-await

TLDR: Use for...of instead of forEach() in asynchronous code.

For legacy browsers, use for(...;...;...) or [].reduce()

To execute the promises in parallel, use Promise.all([].map(...))

The problem

@achillesrasquinha
achillesrasquinha / popen.md
Last active April 23, 2024 06:17
A Python Popen that does not suck.

A Python Popen that does not suck.

Function

import os
import subprocess

def popen(*args, **kwargs):
    output      = kwargs.get('output', False)
    directory   = kwargs.get('dir')
@nico-lab
nico-lab / hevc_nvenc.txt
Last active June 11, 2025 11:50
ffmpeg -h encoder=hevc_nvenc
Encoder hevc_nvenc [NVIDIA NVENC hevc encoder]:
General capabilities: dr1 delay hardware
Threading capabilities: none
Supported hardware devices: cuda cuda d3d11va d3d11va
Supported pixel formats: yuv420p nv12 p010le yuv444p p016le yuv444p16le bgr0 bgra rgb0 rgba x2rgb10le x2bgr10le gbrp gbrp16le cuda d3d11
hevc_nvenc AVOptions:
-preset <int> E..V....... Set the encoding preset (from 0 to 18) (default p4)
default 0 E..V.......
slow 1 E..V....... hq 2 passes
medium 2 E..V....... hq 1 pass
@subfuzion
subfuzion / curl.md
Last active September 22, 2025 09:33
curl POST examples

Common Options

-#, --progress-bar Make curl display a simple progress bar instead of the more informational standard meter.

-b, --cookie <name=data> Supply cookie with request. If no =, then specifies the cookie file to use (see -c).

-c, --cookie-jar <file name> File to save response cookies to.

@j3j5
j3j5 / gist:8b3e48ccad746b90a54a
Last active August 12, 2025 13:40
Adyen Test Card Numbers
Adyen Test Card Numbers
These cards are only valid on our TEST system and they will never involve any actual transaction or transfer of funds. The TEST card numbers will not work on the Adyen LIVE Platform.
For all cards use the following expiration and CVV2/CVC2/or CID for Amex.
For all cards:
Expiration Dates CVV2 / CVC3 CID (American Express)
08/2018 OR 10/2020 737 7373
@johnbellone
johnbellone / .env
Last active December 19, 2016 19:51
Using dotenv gem with Vagrant and proxies.
VAGRANT_HTTP_PROXY=$HTTP_PROXY
VAGRANT_HTTPS_PROXY=$HTTPS_PROXY
VAGRANT_NO_PROXY=$NO_PROXY
@vibegui
vibegui / nodejs-ubuntu-bind-port-80.md
Last active September 8, 2025 14:08
Allow Node.js to bind to privileged ports without root access on Ubuntu

How to: Allow Node to bind to port 80 without sudo

TL;DR

Only do this if you understand the consequences: all node programs will be able to bind on ports < 1024

sudo setcap 'cap_net_bind_service=+ep' /usr/local/bin/node

Important: your node location may vary. Use which node to find it, or use it directly in the command:

@johnnyreilly
johnnyreilly / PdfGenerator.cs
Created April 9, 2012 05:58
C# Wrapper for WKHTMLtoPDF
using System;
using System.Collections.Generic;
using System.Linq;
using System.Security;
using System.Web;
using System.Web.Hosting;
namespace PdfGenerator
{
public class PdfGenerator
@steder
steder / pre-commit.py
Created September 13, 2011 15:11
Git Pre-commit Hook For Python now with extra Python!
#!/usr/bin/env python
#-*- mode: python -*-
from subprocess import Popen, PIPE
import sys
syntax_checker = "pyflakes"
def run(command):
p = Popen(command.split(), stdout=PIPE, stderr=PIPE)