Skip to content

Instantly share code, notes, and snippets.

@oanhnn
oanhnn / using-multiple-github-accounts-with-ssh-keys.md
Last active February 11, 2026 13:58
Using multiple github accounts with ssh keys

Problem

I have two Github accounts: oanhnn (personal) and superman (for work). I want to use both accounts on same computer (without typing password everytime, when doing git push or pull).

Solution

Use ssh keys and define host aliases in ssh config file (each alias for an account).

How to?

  1. Generate ssh key pairs for accounts and add them to GitHub accounts.
@niksumeiko
niksumeiko / git.migrate
Last active February 10, 2026 06:15
Moving git repository and all its branches, tags to a new remote repository keeping commits history
#!/bin/bash
# Sometimes you need to move your existing git repository
# to a new remote repository (/new remote origin).
# Here are a simple and quick steps that does exactly this.
#
# Let's assume we call "old repo" the repository you wish
# to move, and "new repo" the one you wish to move to.
#
### Step 1. Make sure you have a local copy of all "old repo"
### branches and tags.
@tarruda
tarruda / micro_events.py
Last active December 25, 2025 23:33
Micro event loop library to teach the basic concepts of python coroutines and how event loop libraries might be implemented
"""
A micro event loop library implementation from scratch.
This library provides a minimal but feature-complete asynchronous event loop
implementation for educational purposes. It demonstrates the core concepts of
asynchronous programming including:
- Task scheduling and management
- I/O multiplexing with non-blocking sockets
- Timeouts and sleep functionality
@spalladino
spalladino / mysql-docker.sh
Created December 22, 2015 13:47
Backup and restore a mysql database from a running Docker mysql container
# Backup
docker exec CONTAINER /usr/bin/mysqldump -u root --password=root DATABASE > backup.sql
# Restore
cat backup.sql | docker exec -i CONTAINER /usr/bin/mysql -u root --password=root DATABASE
@devdrops
devdrops / example.md
Last active December 12, 2025 14:08
Mysqldump from Docker container

Mysqldump from Docker container

docker exec -i mysql_container mysqldump -uroot -proot --databases database_name --skip-comments > /path/to/my/dump.sql

OBS

  • This will generate a dump.sql file in your host machine. Awesome, eh?
  • Avoid using --compact on your dump. This will make MySQL check your constraints which will cause troubles when reading your file (damm you MySQL). And don't use --force to fix this scenario: recreate your dump without --compact ¯_(ツ)_/¯
@hootlex
hootlex / laravellocal.md
Last active October 12, 2025 04:38
Run laravel project locally

##Windows users:

cmder will be refered as console

##Mac Os, Ubuntu and windows users continue here:

  • Create a database locally named homestead utf8_general_ci
@dasdachs
dasdachs / csv_to_flask.py
Created July 24, 2016 13:14
Upload, read and save the content of a csv file to your model
#!/usr/bin/env python
from io import TextIOWrapper
import csv
from flask import Flask, request, redirect, url_for
from flask_sqlalchemy import SQLAlchemy
# Create Flaskk app, config the db and load the db object
# http://flask-sqlalchemy.pocoo.org/2.1/quickstart/#a-minimal-application
@debashisbarman
debashisbarman / forwardport.sh
Created May 15, 2020 10:43 — forked from Bostonncity/forwardport.sh
Forward port 80 to 8080 on EC2 instance.
sudo iptables -t nat -L
sudo iptables -t nat -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-ports 8000
@IamSmith
IamSmith / FullExample.php
Created April 8, 2011 17:53
Fully working example
<?php
require_once("PHPExcel/PHPExcel.php");
$phpExcel = new PHPExcel();
$styleArray = array(
'font' => array(
'bold' => true,
)
);
@crcrcr999
crcrcr999 / coinId.php
Last active July 1, 2021 11:08
XCH(chia) getCoinId by PHP
<?php
function hexToStr($hex){
$string='';
for ($i=0; $i < strlen($hex)-1; $i+=2){
$string .= chr(hexdec($hex[$i].$hex[$i+1]));
}
return $string;
}
function getCoinId($parent_coin_info,$puzzle_hash,$amount){