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Richard Metzler rmetzler

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# # Fixing key bindings for `irb`
#
# when your ruby comes from `brew`, `rbenv`, and arrow keys don't work in your `irb`
brew upgrade readline rbenv ruby-install # ensure we have the `readline` library, and a recent version of `ruby-install` which will link to it properly when building `ruby`.
rbenv install <your-favourite-ruby-version> # rebuild ruby.
# watch out for the message 'ruby-build: use readline from homebrew' in output from the command above,
# then, go get some coffee.
# ...
@antirez
antirez / lmdb.tcl
Created April 28, 2017 15:40
LMDB -- First version of Redis written in Tcl
# LVDB - LLOOGG Memory DB
# Copyriht (C) 2009 Salvatore Sanfilippo <[email protected]>
# All Rights Reserved
# TODO
# - cron with cleanup of timedout clients, automatic dump
# - the dump should use array startsearch to write it line by line
# and may just use gets to read element by element and load the whole state.
# - 'help','stopserver','saveandstopserver','save','load','reset','keys' commands.
# - ttl with milliseconds resolution 'ttl a 1000'. Check ttl in dump!
@tamas-molnar
tamas-molnar / kubectl-shortcuts.sh
Last active May 12, 2025 20:54
aliases and shortcuts for kubectl
alias kc='kubectl'
alias kclf='kubectl logs --tail=200 -f'
alias kcgs='kubectl get service -o wide'
alias kcgd='kubectl get deployment -o wide'
alias kcgp='kubectl get pod -o wide'
alias kcgn='kubectl get node -o wide'
alias kcdp='kubectl describe pod'
alias kcds='kubectl describe service'
alias kcdd='kubectl describe deployment'
alias kcdf='kubectl delete -f'
@rmetzler
rmetzler / sqlite_callback.py
Created November 10, 2016 22:18
Ansible Callback Plugin for SQLite
# original code stolen from https://stackoverflow.com/questions/37721314/ansible-putting-facts-in-sqlite-via-callback
from ansible.plugins.callback import CallbackBase
import os
import time
import sqlite3
dbname = './test.db'
TIME_FORMAT='%Y-%m-%d %H:%M:%S'
try:
@hallettj
hallettj / Makefile
Last active December 10, 2023 13:32
Makefile for transpiling with Babel & Flow in a Node app, or in a client- or server-side shared library
# Makefile for transpiling with Babel in a Node app, or in a client- or
# server-side shared library.
.PHONY: all clean
# Install `babel-cli` in a project to get the transpiler.
babel := node_modules/.bin/babel
# Identify modules to be transpiled by recursively searching the `src/`
# directory.
@bendc
bendc / supportsES6.js
Created August 25, 2016 08:05
Test if ES6 is ~fully supported
var supportsES6 = function() {
try {
new Function("(a = 0) => a");
return true;
}
catch (err) {
return false;
}
}();
@ipbastola
ipbastola / clean-up-boot-partition-ubuntu.md
Last active August 16, 2024 13:39
Safest way to clean up boot partition - Ubuntu 14.04LTS-x64, Ubuntu 16.04LTS-x64

Safest way to clean up boot partition - Ubuntu 14.04LTS-x64, Ubuntu 16.04LTS-x64

Reference

Case I: if /boot is not 100% full and apt is working

1. Check the current kernel version

$ uname -r 
@nathan-osman
nathan-osman / win32.go
Last active March 27, 2025 21:00
Simple Windows GUI application written in Go
package main
import (
"log"
"syscall"
"unsafe"
)
var (
kernel32 = syscall.NewLazyDLL("kernel32.dll")
@sheredom
sheredom / VkComputeSample
Created May 29, 2016 19:14
A simple Vulkan compute sample
// This is free and unencumbered software released into the public domain.
//
// Anyone is free to copy, modify, publish, use, compile, sell, or
// distribute this software, either in source code form or as a compiled
// binary, for any purpose, commercial or non-commercial, and by any
// means.
//
// In jurisdictions that recognize copyright laws, the author or authors
// of this software dedicate any and all copyright interest in the
// software to the public domain. We make this dedication for the benefit
@Faheetah
Faheetah / Jenkinsfile.groovy
Last active April 25, 2025 15:35
Jenkinsfile idiosynchrasies with escaping and quotes
node {
echo 'Results included as an inline comment exactly how they are returned as of Jenkins 2.121, with $BUILD_NUMBER = 1'
echo 'No quotes, pipeline command in single quotes'
sh 'echo $BUILD_NUMBER' // 1
echo 'Double quotes are silently dropped'
sh 'echo "$BUILD_NUMBER"' // 1
echo 'Even escaped with a single backslash they are dropped'
sh 'echo \"$BUILD_NUMBER\"' // 1
echo 'Using two backslashes, the quotes are preserved'
sh 'echo \\"$BUILD_NUMBER\\"' // "1"