Skip to content

Instantly share code, notes, and snippets.

@RuolinZheng08
RuolinZheng08 / backtracking_template.py
Last active March 21, 2025 05:20
[Algo] Backtracking Template & N-Queens Solution
def is_valid_state(state):
# check if it is a valid solution
return True
def get_candidates(state):
return []
def search(state, solutions):
if is_valid_state(state):
solutions.append(state.copy())
@mtvbrianking
mtvbrianking / redis.md
Last active March 13, 2025 14:39
Install Redis on Xampp - Windows

Redis

Linux

jdoe@home-pc:~# apt-get install redis-server
jdoe@home-pc:~# systemctl enable [email protected]
jdoe@home-pc:~# apt-get update
jdoe@home-pc:~# apt-cache pkgnames | grep php7.4
jdoe@home-pc:~# apt install php7.4-redis
@jesster2k10
jesster2k10 / README.md
Last active February 11, 2025 17:25
JWT Auth + Refresh Tokens in Rails

JWT Auth + Refresh Tokens in Rails

This is just some code I recently used in my development application in order to add token-based authentication for my api-only rails app. The api-client was to be consumed by a mobile application, so I needed an authentication solution that would keep the user logged in indefinetly and the only way to do this was either using refresh tokens or sliding sessions.

I also needed a way to both blacklist and whitelist tokens based on a unique identifier (jti)

Before trying it out DIY, I considered using:

@cecilemuller
cecilemuller / launch.json
Last active April 4, 2025 13:08
Run ts-node in VSCode Debugger
{
"version": "0.2.0",
"configurations": [
{
"name": "Example",
"type": "node",
"request": "launch",
"runtimeExecutable": "node",
"runtimeArgs": ["--nolazy", "-r", "ts-node/register/transpile-only"],
@gwillem
gwillem / magento-nginx.conf
Last active July 29, 2023 10:13
Battle-tested Nginx configuration for Magento (source: www.hypernode.com)
# This is an annotated subset of the Nginx configuration from our Magento production platform @ www.hypernode.com
# See https://www.byte.nl/blog/magento-cacheleak-issue
# !!!! If you are a Hypernode customer, do not use this config as it will result in duplicate statements. !!!!!
user app;
worker_processes 4;
pid /var/run/nginx.pid;
events {
@apollolm
apollolm / nginx-ssl-config
Last active January 12, 2023 14:47
Nginx Configuration with multiple port apps on same domain, with SSL.
# the IP(s) on which your node server is running. I chose port 3000.
upstream app_geoforce {
server 127.0.0.1:3000;
}
upstream app_pcodes{
server 127.0.0.1:3001;
}
@icyleaf
icyleaf / ar_migrate.rb
Last active June 6, 2024 20:06
ActiveRecord type of integer (tinyint, smallint, mediumint, int, bigint)
# activerecord-3.0.0/lib/active_record/connection_adapters/mysql_adapter.rb
# Maps logical Rails types to MySQL-specific data types.
def type_to_sql(type, limit = nil, precision = nil, scale = nil)
return super unless type.to_s == 'integer'
case limit
when 1; 'tinyint'
when 2; 'smallint'
when 3; 'mediumint'
when nil, 4, 11; 'int(11)' # compatibility with MySQL default
@c0ldlimit
c0ldlimit / git_newrepo
Created November 16, 2012 17:14
Git: Push a new or existing repo to Github
# Create a new repository on the command line
touch README.md
git init
git add README.md
git commit -m "first commit"
git remote add origin https://github.com/c0ldlimit/vimcolors.git
git push -u origin master
# Push an existing repository from the command line