wancw’s gists

wancw / ls-migrations-then-checkout

Last active December 16, 2016 18:55

列出切換 branch 前需要 rollback 的 South migration。

	#!/usr/bin/env zsh

	if [[ $# != 1 ]]; then
	cat - << USAGE
	Usage: `basename $0` <branch>
	USAGE
	return 1
	fi

	local old_branch=$(git rev-parse --abbrev-ref HEAD)

wancw / git-today-summary

Created December 19, 2013 10:32

Summarize what you did today.

	#!/usr/bin/env bash

	git log --all --since=midnight --author="$USER" $* --format='%d' --numstat \
	\| awk -f <(cat <<- 'SCRIPT'
	/\(/ { NB=NB+1 ; next }
	NF==3 { ADD=ADD+$1; DEL=DEL+$2; NC=NC+1 }
	END { printf "+%d, -%d in %d commit(s), %d branch(es)\n", ADD, DEL, NC, NB }
	SCRIPT)

wancw / FacebookTestAccount.py

Created December 19, 2013 10:41 — forked from zonble/FacebookTestAccount.py

	import urllib, urllib2, json

	'''
	The ``FacebookTestUserManager`` module
	======================================

	Author: Weizhong Yang <zonble at gmail dot com>

	A tool which helps to create and delete test account for Facebook.

wancw / github link.sh

Created March 12, 2014 10:03 — forked from othree/github link.sh

git config --global alias.link '!f() { echo https://$(git config --get remote.origin.url | sed s/^[[:alpha:]]*@// | sed s/:/\\// | sed s/\\.git$//)/commit/$(git rev-parse ${1:-HEAD}); }; f'

wancw / timereport.plugin.zsh

Last active August 29, 2015 14:02

Report elapsed time for command take long time to execute.

	typeset -gaU preexec_functions
	typeset -gaU precmd_functions

	preexec_functions+='preexec_start_timer'
	precmd_functions+='precmd_report_time'

	_tr_current_cmd="?"
	_tr_sec_begin="${SECONDS}"
	_tr_ignored="yes"

wancw / git-branches-contain.sh

Last active August 29, 2015 14:04

Utils for merged branch

	#!/bin/sh

	export FMC_WRAPPER=`basename $0`
	MERGE_COMMIT=`git find-merge-commit $*`
	if [[ $? != 0 ]]; then
	exit $?
	fi
	git branch --all --contain $MERGE_COMMIT

wancw / y-combinator.go

Last active September 19, 2023 20:22

Y combinator in Go, runable example: http://play.golang.org/p/xVHw0zoaWX

	package main

	import "fmt"

	type (
	tF func(int) int
	tRF func(tF) tF
	tX func(tX) tF
	)

wancw / dl_and_gen_doc.bash

Last active November 21, 2019 07:45

Download WebRTC Java source code to generate Javadoc and Dash Docset

	#!/usr/bin/env bash

	WEBRTC_REPO=http://webrtc.googlecode.com/svn/trunk
	WEBRTC_REV=7217

	svn checkout ${WEBRTC_REPO}/talk/app/webrtc/java@r${WEBRTC_REV} peer_connection
	svn checkout ${WEBRTC_REPO}/webrtc/modules/audio_device/android/java@r${WEBRTC_REV} audio_device
	svn checkout ${WEBRTC_REPO}/webrtc/modules/video_capture/android/java@r${WEBRTC_REV} video_capture
	svn checkout ${WEBRTC_REPO}/webrtc/modules/video_render/android/java@r${WEBRTC_REV} video_render

wancw / friend class template method.cpp

Created October 21, 2014 08:33

Declare a method of class template as friend funciton

	// Generic template
	template <typename T>
	struct Foo {
	static int bar(const T& t) { return -1; }
	};

	// Specialization
	class C;

	template<>

wancw / 01 accumulator generator.cpp

Last active August 29, 2015 14:08

C++ implementation of accumulator described in http://www.paulgraham.com/icad.html

	template<typename T>
	struct Accumulator {
	Accumulator(T n) : n_{n} {}
	template <typename U>
	const T& operator()(const U& i) { return n_ += i; }
	private:
	T n_;
	};

	template <typename T>

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