rightson’s gists

rightson / tty_ldisc.h

Created December 13, 2017 10:56

TTY line discipline example structure

	struct tty_ldisc {
	int magic;
	char *name;
	int num;
	int flags; /* * The following routines are called from above. */
	int (open)(struct tty_struct );
	void (close)(struct tty_struct );
	void (flush_buffer)(struct tty_struct tty);
	ssize_t (chars_in_buffer)(struct tty_struct tty);
	ssize_t (read)(struct tty_struct tty, struct file file, unsigned char buf,

rightson / expand-path.cpp

Last active December 4, 2017 16:42

A rough and dirty way to expand string containing path using GNU wordexp

	// ref: https://linux.die.net/man/3/wordexp
	#include <iostream>
	#include <string>
	#include <wordexp.h>
	using namespace std;

	std::string expandPath(const std::string &str) {
	wordexp_t p;
	char** w;
	wordexp(str.c_str(), &p, 0);

rightson / build-python3-with-sqlite3.sh

Created November 16, 2017 10:06

Link to a specific version of sqlite3 when building Python 3 versions

	# references: https://github.com/pyenv/pyenv/issues/333

	# get pyenv
	git clone https://github.com/pyenv/pyenv.git ~/.pyenv

	# configure pyenv
	echo 'export PYENV_ROOT="$HOME/.pyenv"' >> $PROFILE
	echo 'export PATH="$PYENV_ROOT/bin:$PATH"' >> $PROFILE

	# install python

rightson / install-pip-offline.sh

Created November 15, 2017 06:24

Install pip packages from given folder

pip install --no-index --find-links file://`pwd`/pip-pkgs -r requirement.txt

rightson / download-pip.sh

Created November 15, 2017 06:22

Download pip packages to specific folder

pip download -r requirement.txt -d pip-packages

rightson / setup.sh

Created November 14, 2017 13:03

git diff with vim

	git config --global diff.tool vimdiff
	git config --global difftool.prompt false
	git config --global alias.vimdiff difftool

	# Usage: git vimdiff
	# git vimdiff --cached

rightson / server.js

Created October 20, 2017 10:04

Koa example minimal server

	'use strict';

	const path = require('path');
	const zlib = require('zlib');
	const winston = require('winston');
	const Koa = require('koa');
	const Router = require('koa-router');
	const koaLogger = require('winston-koa-logger');
	const convert = require('koa-convert');
	const compress = require('koa-compress');

rightson / git-status.zsh

Created June 10, 2017 23:03

	# from https://stackoverflow.com/questions/1128496/to-get-a-prompt-which-indicates-git-branch-in-zsh
	# get the name of the branch we are on
	git_prompt_info() {
	git branch \| awk '/^\*/ { print $2 }'
	}
	get_git_dirty() {
	git diff --quiet \|\| echo '*'
	}

	autoload -U colors

rightson / git-clean-large-object.sh

Last active June 7, 2017 07:05

Script to clean up large object from git repository

	# Reference: http://stevelorek.com/how-to-shrink-a-git-repository.html

	function discoveryLargeGitObject() {

	IFS=$'\n';

	# list all objects including their size, sort by size, take top 10
	objects=`git verify-pack -v .git/objects/pack/pack-*.idx \| grep -v chain \| sort -k3nr \| head`

	echo "All sizes are in kB. The pack column is the size of the object, compressed, inside the pack file."

rightson / .Xresources

Created May 2, 2017 23:27

molokai color theme for xterm (from vreon/.Xresources)

Scott Chen rightson