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Set a cookie to never expire

... All cookies expire as per the cookie specification, so this is not a PHP limitation. Use a far future date. For example, set a cookie that expires in ten years: setcookie( "CookieName", "CookieValue", time() + (10 * 3...
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Assign same value to multiple variables at once?

... @Eoin: In doing $var_a = $var_b = ... = new Class();, all the variables will reference the same instance of Class. – Tim Cooper Jun 21 '19 at 19:34 ...
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What does __FILE__ mean in Ruby?

I see this all the time in Ruby: 4 Answers 4 ...
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中关村服务辐射百万创业者 - 资讯 - 清泛网 - 专注C/C++及内核技术

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How does facebook, gmail send the real time notification?

...JAX, it'll take a lot of the cross-compability problems away. In terms of PHP, you could simply poll an event log database table in your PHP script, and only return to the client when something happens? There are, I expect, many ways of implementing this. Implementing: Server Side: There appear ...
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中文网(自研/维护)拓展 · App Inventor 2 中文网

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How to get a cross-origin resource sharing (CORS) post request working

... I finally stumbled upon this link "A CORS POST request works from plain javascript, but why not with jQuery?" that notes that jQuery 1.5.1 adds the Access-Control-Request-Headers: x-requested-with header to all CORS requests....
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Why doesn't this code simply print letters A to Z?

... @ShreevatsaR: actually, 'yz'+1 = 'za'. The first comparison that fails is 'za'<='z' – Milan Babuškov Nov 4 '10 at 20:48 ...
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Javascript object Vs JSON

...ort these, you should include json2.js. If you're using jQuery, you can call jQuery.parseJSON(), which will use JSON.parse() under the hood if it's supported and will otherwise fallback to a custom implementation to parse the input. ...
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Where to store global constants in an iOS application?

...sets of constants to include before #include-ing the constants file (stops all those "defined but not used" compiler warnings). – user244343 Aug 19 '11 at 2:26 ...