Console Blackjack in Go
I wrote a console version of Blackjack in Go: https://github.com/gdonald/blackjack
Raspberry Pi LEDs Test
#!/usr/bin/env python3 import time import RPi.GPIO as GPIO GPIO.setmode( GPIO.BCM ) ENABLE = 1; DISABLE = 0 RED = 23; GREEN = 24; BLUE = 25 RGB = [ RED, GREEN, BLUE ] RGB2 = RGB[::-1]
Shell script to automate go lang pkg test coverage
#!/bin/sh PACKAGE=mypkg # set mode go test -coverprofile=coverage.out $PACKAGE go tool cover -func=coverage.out go tool cover -html=coverage.out # count mode go test -covermode=count...
go log function
func log(s ...interface{}) { f, err := os.OpenFile("info.log", os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666) if err != nil { fmt.Printf("error opening log file: %v", err) os.Exit(1) } defer f.Close()...
Linux Kernel Powerball Module
I don't play the lottery but I find random number generators and the Linux Kernel interesting so I wrote a simple Linux Kernel module that does a PowerballTM "quick pick". You can download it from...
How to filter out Bash arguments
Ever want to know how to drop an argument (and value), --dir in this case, from a Bash script? Someone from my local LUG asked how to do it and this is what I came up with: Fun ;) #!/usr/bin/env bash...
MongoDB Data Durability
It doesn't seem you can lose data even when you might otherwise expect to ;) I setup a small replica set using mongod --fork --logpath a.log --smallfiles --oplogSize 50 --port 27001 --dbpath data/z1...
My bashrc file
alias ls='ls -ah --color=always' alias ll='ls -lavh --color=always' alias cp='cp -i' alias vi='/usr/bin/emacs' alias ..='cd ..' alias ...='cd ../..'
PostgreSQL Sequence Updates
I had a problem with PostgreSQL pgdump recently. My setval() calls were all set to '1'. I whipped up this quick script to fix things: #!/usr/bin/env python DB_NAME = 'my_db' from subprocess import...
Mutt Configuration
# basic .muttrc for use with Gmail # Change the following six lines to match your Gmail account details set imap_user = "username@gmail.com" set imap_pass = "" set smtp_url =...