Skip to content

Instantly share code, notes, and snippets.

@rgreenjr
rgreenjr / postgres_queries_and_commands.sql
Last active May 6, 2024 12:37
Useful PostgreSQL Queries and Commands
-- show running queries (pre 9.2)
SELECT procpid, age(clock_timestamp(), query_start), usename, current_query
FROM pg_stat_activity
WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%'
ORDER BY query_start desc;
-- show running queries (9.2)
SELECT pid, age(clock_timestamp(), query_start), usename, query
FROM pg_stat_activity
WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%'
@jshaw
jshaw / byobuCommands
Last active May 5, 2024 13:01
Byobu Commands
Byobu Commands
==============
byobu Screen manager
Level 0 Commands (Quick Start)
------------------------------
<F2> Create a new window
@vancluever
vancluever / gnome-tracker-disable.md
Last active May 2, 2024 16:26
GNOME Tracker Disable

Disabling GNOME Tracker and Other Info

GNOME's tracker is a CPU and privacy hog. There's a pretty good case as to why it's neither useful nor necessary here: http://lduros.net/posts/tracker-sucks-thanks-tracker/

After discovering it chowing 2 cores, I decided to go about disabling it.

Directories

@cou929
cou929 / detect-private-browsing.js
Last active May 1, 2024 21:07
Detect private browsing mode (InPrivate Browsing or Incognito).
function retry(isDone, next) {
var current_trial = 0, max_retry = 50, interval = 10, is_timeout = false;
var id = window.setInterval(
function() {
if (isDone()) {
window.clearInterval(id);
next(is_timeout);
}
if (current_trial++ > max_retry) {
window.clearInterval(id);
@dodyg
dodyg / gist:5823184
Last active March 29, 2024 03:59
Kotlin Programming Language Cheat Sheet Part 1

#Intro

Kotlin is a new programming language for the JVM. It produces Java bytecode, supports Android and generates JavaScript. The latest version of the language is Kotlin M5.3

Kotlin project website is at kotlin.jetbrains.org.

All the codes here can be copied and run on Kotlin online editor.

Let's get started.

@nhymxu
nhymxu / README-python-framework-benchmark.md
Last active March 27, 2024 00:45
Flask vs Falcon vs FastAPI benchmark
gunicorn run:app --workers=9
gunicorn run:app --workers=9 --worker-class=meinheld.gmeinheld.MeinheldWorker

Macbook Pro 2015 Python 3.7

Framework Server Req/s Max latency +/- Stdev
@CodesInChaos
CodesInChaos / ArrayHelpers.cs
Created July 25, 2012 12:43
Base58 encoding in C# (Used for BitCoin addresses)
using System;
using System.Diagnostics.Contracts;
using System.Linq;
namespace Merkator.Tools
{
public class ArrayHelpers
{
public static T[] ConcatArrays<T>(params T[][] arrays)
{
@nijikokun
nijikokun / base64-utf8.module.js
Last active February 11, 2024 23:16
Javascript Base64 UTF8 for the Browser / Server. Base64 UTF-8 Encoding and Decoding Libraries / Modules for AMD, CommonJS, Nodejs and Browsers. Cross-browser compatible.
// UTF8 Module
//
// Cleaner and modularized utf-8 encoding and decoding library for javascript.
//
// copyright: MIT
// author: Nijiko Yonskai, @nijikokun, nijikokun@gmail.com
(function (name, definition, context, dependencies) {
if (typeof context['module'] !== 'undefined' && context['module']['exports']) { if (dependencies && context['require']) { for (var i = 0; i < dependencies.length; i++) context[dependencies[i]] = context['require'](dependencies[i]); } context['module']['exports'] = definition.apply(context); }
else if (typeof context['define'] !== 'undefined' && context['define'] === 'function' && context['define']['amd']) { define(name, (dependencies || []), definition); }
else { context[name] = definition.apply(context); }
@choldrim
choldrim / jenkins-git-backup.sh
Last active January 31, 2024 13:50 — forked from abayer/jenkins-git-backup.sh
Example of a script for backing up Jenkins config in git.
#!/bin/bash
# Copies certain kinds of known files and directories from a given Jenkins master directory
# into a git repo, removing any old ones, adds 'em, commits 'em, pushes 'em.
set -ex
if [ $# -ne 3 ]; then
echo usage: $0 jenkins_home git_repos_url git_repos_name
exit 1
fi
@ChrisWills
ChrisWills / .screenrc-main-example
Created November 3, 2011 17:50
A nice default screenrc
# GNU Screen - main configuration file
# All other .screenrc files will source this file to inherit settings.
# Author: Christian Wills - cwills.sys@gmail.com
# Allow bold colors - necessary for some reason
attrcolor b ".I"
# Tell screen how to set colors. AB = background, AF=foreground
termcapinfo xterm 'Co#256:AB=\E[48;5;%dm:AF=\E[38;5;%dm'