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@kissgyorgy
kissgyorgy / listen.py
Created September 4, 2020 16:37
How to use PostgreSQL's LISTEN/NOTIFY as a simple message queue with psycopg2 and asyncio
import asyncio
import psycopg2
# dbname should be the same for the notifying process
conn = psycopg2.connect(host="localhost", dbname="example", user="example", password="example")
conn.set_isolation_level(psycopg2.extensions.ISOLATION_LEVEL_AUTOCOMMIT)
cursor = conn.cursor()
cursor.execute(f"LISTEN match_updates;")
#![feature(lang_items)]
#![no_std]
#[no_mangle]
pub fn add_one(x: i32) -> i32 {
x + 1
}
// needed for no_std
@WaldoJeffers
WaldoJeffers / compose.js
Last active January 3, 2024 16:47
JavaScript one-line compose (ES6)
const compose = (...fns) => fns.reduce((f, g) => (...args) => f(g(...args)))
// Usage : compose functions right to left
// compose(minus8, add10, multiply10)(4) === 42
//
// The resulting function can accept as many arguments as the first function does
// compose(add2, multiply)(4, 10) === 42

Interactive Machine Learning

Taught by Brad Knox at the MIT Media Lab in 2014. Course website. Lecture and visiting speaker notes.

@davestevens
davestevens / LetsEncrypt.md
Last active November 6, 2024 11:48
Let’s Encrypt setup for Apache, NGINX & Node.js

Let's Encrypt

Examples of getting certificates from Let's Encrypt working on Apache, NGINX and Node.js servers.

Obtain certificates

I chose to use the manual method, you have to make a file available to verify you own the domain. Follow the commands from running

git clone https://github.com/letsencrypt/letsencrypt
cd letsencrypt
@massahud
massahud / Portable Node.js andNPM on windows.md
Last active November 7, 2024 12:45
Portable Node.js and NPM on windows
  1. Get node binary (node.exe) from http://nodejs.org/download/
  2. Create the folder where node will reside and move node.exe to it
  3. Download the last zip version of npm from http://nodejs.org/dist/npm
  4. Unpack the zip inside the node folder
  5. Download the last tgz version of npm from http://nodejs.org/dist/npm
  6. Open the tgz file and unpack only the file bin/npm (without extension) directly on the node folder.
  7. Add the the node folder and the packages/bin folder to PATH
  8. On a command prompt execute npm install -g npm to update npm to the latest version

Now you can use npm and node from windows cmd or from bash shell like Git Bash of msysgit.

@19WAS85
19WAS85 / powershell-web-server.ps1
Last active November 4, 2024 16:50
A simple web server built with powershell.
# This is a super **SIMPLE** example of how to create a very basic powershell webserver
# 2019-05-18 UPDATE — Created by me and and evalued by @jakobii and the comunity.
# Http Server
$http = [System.Net.HttpListener]::new()
# Hostname and port to listen on
$http.Prefixes.Add("http://localhost:8080/")
# Start the Http Server