These rules are adopted from the AngularJS commit conventions.
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<?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]]; |
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首先你需要一个不怕dns污染的http代理,比如连接到私人VPS的ssh tunnel+privoxy之类… | |
以下例子里我都使用10.8.0.1:8118作为代理服务器。 | |
## 让普通命令行工具使用代理 | |
可以在~/.profile或~/.bashrc里加上: | |
``` | |
enable_proxy() { | |
export http_proxy="10.8.0.1:8118" |
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<?php | |
class BaseModel extends Eloquent { | |
public static function shouldReceive() | |
{ | |
$repo = get_called_class() . 'RepositoryInterface'; | |
$mock = Mockery::mock($repo); | |
App::instance($repo, $mock); |
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<?php | |
class MyModel extends Eloquent { | |
public function getSql() | |
{ | |
$builder = $this->getBuilder(); | |
$sql = $builder->toSql(); | |
foreach($builder->getBindings() as $binding) | |
{ |
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/** | |
* Mass (bulk) insert or update on duplicate for Laravel 4/5 | |
* | |
* insertOrUpdate([ | |
* ['id'=>1,'value'=>10], | |
* ['id'=>2,'value'=>60] | |
* ]); | |
* | |
* | |
* @param array $rows |
This gist shows how to create a GIF screencast using only free OS X tools: QuickTime and ffmpeg.
Forked from https://gist.github.com/dergachev/4627207. Updated to use a palette to improve quality and skip gifsicle.
To capture the video (filesize: 19MB), using the free "QuickTime Player" application:
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// -------------------------------------------------- | |
// Flexbox SASS mixins | |
// The spec: http://www.w3.org/TR/css3-flexbox | |
// -------------------------------------------------- | |
// Flexbox display | |
@mixin flexbox { | |
display: -webkit-box; | |
display: -moz-box; | |
display: -ms-flexbox; |
這篇文章旨在作為快速參考與展示。要更多完整的資訊,請見 John Gruber 原本的規格與 Github 偏好的 Markdown(Github-flavored Markdown,簡寫為GFM)資訊頁。
如果你正在找 Markdown Here 的小抄(Cheatsheet),這裡也有一篇。你也可以看看更多 Markdown 的工具。
譯註:可以參考這份中文版文件,有更詳盡的 Markdown 語法說明;如果需要可以練習的線上編輯器,可以試試看HackMD。
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