piaoger’s gists

piaoger / git_clone_tag.sh

Last active December 30, 2015 18:49

git clone specific tag

	# git clone will give you the whole repository.
	# After the clone, you can list the tags with git tag -l;
	# then checkout a specific tag: git checkout tags/<tag_name>

	git clone <repo-address>
	git tag -l
	git checkout <tag-name>

piaoger / maxstacksize.html

Created March 21, 2014 02:32

Get max call stack size in browser


	<!-- A script to get max call stack size in browser
	In my Macbook pro
	Firefox 28:
	maxStackSize = 350801 (dynamic, but always above 300000)
	error: InternalError: too much recursion
	Safari 7.0.2
	maxStackSize = 58034
	error: RangeError: Maximum call stack size exceeded.
	Chrome 33:

piaoger / json_marshal.go

Last active August 29, 2015 14:06

json marshal in go

piaoger / nanovg_torus.cpp

Last active August 29, 2015 14:07

An OpenGL2 Exmaple: glew, glfw and nanovg.


	// An OpenGL3 Exmaple: glew, glfw and nanovg.
	// 2D and 3D in same scene. Torus is drawn with static display list.

	#include <stdlib.h>
	#include <math.h>
	#include <stdio.h>

	#include "GL/glew.h"

piaoger / rotating_torus.cpp

Created October 13, 2014 01:29

Draw rotating Torus with GLFW3

	// Draw rotating Torus with GLFW3
	#include <stdlib.h>
	#include <stdio.h>
	#include <string.h>
	#include <math.h>
	#include <GLFW/glfw3.h>

	static void drawTorus(int numMajor, int numMinor, float majorRadius, float minorRadius)
	{
	static double PI = 3.1415926535897932384626433832795;

piaoger / test_mmap_ios.m

Last active July 8, 2020 18:34

mmap on ios

	// It's tested on ios 8.2 ..

	// Apple document about virtual memory:
	// Both OS X and iOS include a fully-integrated virtual memory system that you cannot turn off; it is always on.
	// https://developer.apple.com/library/mac/documentation/Performance/Conceptual/ManagingMemory/Articles/AboutMemory.html
	// Discussing mmap on ios:
	// http://stackoverflow.com/questions/13425558/why-does-mmap-fail-on-ios
	// http://stackoverflow.com/questions/9184773/is-there-a-practical-limit-on-the-number-of-memory-mapped-files-in-ios

	#include <sys/mman.h>

piaoger / copyfileSync.js

Created July 23, 2015 03:22

copyfileSync in node.js


	function copyFileSync(srcFile, destFile) {
	var BUF_LENGTH, buff, bytesRead, fdr, fdw, pos;
	BUF_LENGTH = 64 * 1024;
	buff = new Buffer(BUF_LENGTH);
	fdr = fs.openSync(srcFile, 'r');
	fdw = fs.openSync(destFile, 'w');
	bytesRead = 1;
	pos = 0;
	while (bytesRead > 0) {

piaoger / setfiletime.js

Created August 24, 2015 03:40

Set file time in node.js

	// set file add/mode time

	var fs = require('fs')
	function setFileTime(filePath, atime, mtime) {
	fs.utimesSync(filePath, atime, mtime);
	}
	var date = new Date('Thu Aug 20 2015 15:10:36 GMT+0800 (CST)');
	setFileTime('/tmp/scache/fdf/admin.log', date, date);

piaoger / git-sync-all-branches.sh

Created August 31, 2015 01:34

git-sync-all-branches


	# fetch all branches
	# From: http://stackoverflow.com/questions/10312521/how-to-fetch-all-git-branches

	#!/bin/bash
	for branch in `git branch -a \| grep remotes \| grep -v HEAD \| grep -v master`; do
	git branch --track ${branch##*/} $branch
	done

	git fetch --all

piaoger / jsfallback.html

Last active September 9, 2015 05:13

js fallback


	<body>

	<!-- from https://github.com/airbnb/airpal/blob/master/src/main/resources/assets/index.html >
	<!-- to avoid being banded by GFW -->
	<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/1.9.0/jquery.min.js"></script>
	<script>window.jQuery \|\| document.write('<script src="app/javascripts/vendor/jquery-1.9.0.min.js"><\/script>')</script>

	</body>

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