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@troelskn
troelskn / gist:1287893
Created October 14, 2011 18:24
Luhn's algorithm in php
<?php
function is_valid_luhn($number) {
settype($number, 'string');
$sumTable = array(
array(0,1,2,3,4,5,6,7,8,9),
array(0,2,4,6,8,1,3,5,7,9));
$sum = 0;
$flip = 0;
for ($i = strlen($number) - 1; $i >= 0; $i--) {
$sum += $sumTable[$flip++ & 0x1][$number[$i]];
@erning
erning / hz2py.md
Created November 4, 2011 05:51
汉字转拼音

汉字转拼音 (hz2py)

我们希望安居客的搜索引擎能够更好的做到同音字的容错，采用拼音容错是一个不错的方法。因此，需要一个将汉字转换为拼音的组件。同时，汉字转拼音组件还可以有多个用途，例如以拼音的首字母来检索小区名、人名等。

这样我们需要一个通用的将汉字转换为拼音的服务。

功能

基本功能就是中文拉丁化，输入一段中文文本，输出转变为汉语拼音的文本。

要求原文中的全角标点符号、空格等应该转为对应的半脚符号。原汉字与英文间如果没有空格分隔，转换为拼音后应该加入空格分隔。

@jimbojsb
jimbojsb / gist:1630790
Created January 18, 2012 03:52
Code highlighting for Keynote presentations

Step 0:

Get Homebrew installed on your mac if you don't already have it

Step 1:

Install highlight. "brew install highlight". (This brings down Lua and Boost as well)

Step 2:

@oodavid
oodavid / README.md
Last active April 6, 2024 18:45 — forked from aronwoost/README.md
Deploy your site with git

Deploy your site with git

This gist assumes:

  • you have a local git repo
  • with an online remote repository (github / bitbucket etc)
  • and a cloud server (Rackspace cloud / Amazon EC2 etc)
    • your (PHP) scripts are served from /var/www/html/
    • your webpages are executed by apache
  • apache's home directory is /var/www/
@paulmillr
paulmillr / active.md
Last active May 15, 2024 02:25
Most active GitHub users (by contributions). http://twitter.com/paulmillr

Most active GitHub users (git.io/top)

The count of contributions (summary of Pull Requests, opened issues and commits) to public repos at GitHub.com from Wed, 21 Sep 2022 till Thu, 21 Sep 2023.

Only first 1000 GitHub users according to the count of followers are taken. This is because of limitations of GitHub search. Sorting algo in pseudocode:

githubUsers
 .filter(user =&gt; user.followers &gt; 1000)
@joshbeckman
joshbeckman / animatedScrollTo.js
Created September 30, 2013 14:51
ScrollTo animation using pure javascript and no jquery
document.getElementsByTagName('button')[0].onclick = function () {
scrollTo(document.body, 0, 1250);
}
function scrollTo(element, to, duration) {
var start = element.scrollTop,
change = to - start,
currentTime = 0,
increment = 20;
@tollmanz
tollmanz / compile-nginx.sh
Last active May 3, 2024 12:06
# Install dependencies
#
# * checkinstall: package the .deb
# * libpcre3, libpcre3-dev: required for HTTP rewrite module
# * zlib1g zlib1g-dbg zlib1g-dev: required for HTTP gzip module
apt-get install checkinstall libpcre3 libpcre3-dev zlib1g zlib1g-dbg zlib1g-dev && \
mkdir -p ~/sources/ && \
# Compile against OpenSSL to enable NPN
@v5tech
v5tech / ffmpeg.md
Last active January 16, 2024 09:19
ffmpeg视频合并、格式转换、截图

使用ffmpeg合并MP4文件

ffmpeg -i "Apache Sqoop Tutorial Part 1.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate1.ts
ffmpeg -i "Apache Sqoop Tutorial Part 2.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate2.ts
ffmpeg -i "Apache Sqoop Tutorial Part 3.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate3.ts
ffmpeg -i "Apache Sqoop Tutorial Part 4.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate4.ts
ffmpeg -i "concat:intermediate1.ts|intermediate2.ts|intermediate3.ts|intermediate4.ts" -c copy -bsf:a aac_adtstoasc "Apache Sqoop Tutorial.mp4"
@dmlap
dmlap / bitrate-switch.html
Created October 2, 2014 18:31
An example of manual bitrate selection with videojs-contrib-hls.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>video.js HLS Plugin Example</title>
<link href="node_modules/video.js/dist/video-js/video-js.css" rel="stylesheet">
<!-- video.js -->
<script src="node_modules/video.js/dist/video-js/video.js"></script>
@mparker17
mparker17 / config.fish
Last active July 23, 2017 00:41
Fish configuration
Moved to https://github.com/mparker17/fish-config