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Synchronous request in Node.js

... pass to the next endpoints = [{ host: 'www.example.com', path: '/api_1.php' }, { host: 'www.example.com', path: '/api_2.php' }, { host: 'www.example.com', path: '/api_3.php' }]; async.mapSeries(endpoints, http.get, function(results){ // Array of results }); ...
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How do I write unit tests in PHP? [closed]

...which is by far easier to learn - even easier than SimpleTest, it's called phpt. A primer can be found here: http://qa.php.net/write-test.php Edit: Just saw your request for sample code. Let's assume you have the following function in a file called lib.php: <?php function foo($bar) { return...
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Can PNG image transparency be preserved when using PHP's GDlib imagecopyresampled?

The following PHP code snippet uses GD to resize a browser-uploaded PNG to 128x128. It works great, except that the transparent areas in the original image are being replaced with a solid color- black in my case. ...
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Why can't I access DateTime->date in PHP's DateTime class?

...ilable is actually a side-effect of support for var_dump() here – derick@php.net For some reason, you're not supposed to be able to access the property but var_dump shows it anyways. If you really want to get the date in that format, use the DateTime::format() function. echo $mydate->format(...
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How to print a debug log?

I'd like to debug some PHP code, but I guess printing a log to screen or file is fine for me. 15 Answers ...
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javax.validation.ValidationException: HV000183: Unable to load 'javax.el.ExpressionFactory'

...ons in constraint violation messages. When your application runs in a Java EE container such as WildFly, an EL implementation is already provided by the container. In a Java SE environment, however, you have to add an implementation as dependency to your POM file. For instance you can add the follow...
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PHP Difference between array() and []

I'm writing a PHP app and I want to make sure it will work with no errors. 5 Answers 5...
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How to Debug Variables in Smarty like in PHP var_dump()

... You can use {php} tags Method 1 (won't work in Smarty 3.1 or later): {php} $var = $this->get_template_vars('var'); var_dump($var); {/php} Method 2: {$var|@print_r} Method 3: {$var|@var_dump} ...
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How to sort an array of associative arrays by value of a given key in PHP?

... = $row['price']; } array_multisort($price, SORT_DESC, $inventory); As of PHP 5.5.0 you can use array_column() instead of that foreach: $price = array_column($inventory, 'price'); array_multisort($price, SORT_DESC, $inventory); ...
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Serializing PHP object to JSON

So I was wandering around php.net for information about serializing PHP objects to JSON, when I stumbled across the new JsonSerializable Interface . It's only PHP >= 5.4 though, and I'm running in a 5.3.x environment. ...