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How to test if a string is JSON or not?

...built on on two structures: A collection of name/value pair (object) or an ordered list of values (array). Argument: Exception handling shouldn't be used to do something expected. (This is a comment that has 25+ upvotes!) FACT: No! It's definitely legal to use try/catch, especially in a cas...
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What Are the Differences Between PSR-0 and PSR-4?

...in src/Acme/Foo/Bar.php while in PSR-4 it will look for it in src/Bar.php, allowing for shorter directory structures. On the other hand some prefer to have the full directory structure to clearly see what is in which namespace, so you can also say that Acme\Foo\ is in src/Acme/Foo with PSR-4 which w...
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Utilizing the GPU with c# [closed]

...veloper. Support the project with contributions or some small donations in order to speed up the development process and to keep the project alive. – DanOver Aug 16 at 23:55 ...
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Convert one date format into another in PHP

...he y-m-d-h-i-s format. PHP 5.3 and up Use DateTime::createFromFormat. It allows you to specify an exact mask - using the date() syntax - to parse incoming string dates with. PHP 5.2 and lower You will have to parse the elements (year, month, day, hour, minute, second) manually using substr() and...
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What is phtml, and when should I use a .phtml extension rather than .php?

... There is usually no difference, as far as page rendering goes. It's a huge facility developer-side, though, when your web project grows bigger. I make use of both in this fashion: .PHP Page doesn't contain view-related code .PHTML Pag...
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What's the shebang/hashbang (#!) in Facebook and new Twitter URLs for?

...ort the back button without reloading the entire page from the server. In order to support bookmarking and the back button, you need to change the URL. However, if you change the page portion (with something like window.location = 'http://raganwald.com';) to a different URL or without specifying an...
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How to validate an email address using a regular expression?

...he IP address pattern that is floating around the internet with a bug that allows 00 for any of the unsigned byte decimal values in a dot-delimited address, which is illegal. The rest of it appears to be consistent with the RFC 5322 grammar and passes several tests using grep -Po, including cases d...
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Do checkbox inputs only post data if they're checked?

... behaviour is the value is only sent if the checkbox is checked. This typically means you need to have a way of remembering what checkboxes you are expecting on the server side since not all the data comes back from the form. The default value is always "on", this should be consistent across browse...
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XMLHttpRequest cannot load file. Cross origin requests are only supported for HTTP

...n your machine. Here are some options that I use. Test your web page locally on Firefox, then deploy to your host. or: Run a local server Test on Firefox, Deploy to Host Firefox currently allows Cross Origin Requests from files served from your hard drive Your web hosting site will allow requ...
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Where do I put image files, css, js, etc. in Codeigniter?

....php: function asset_url(){ return base_url().'assets/'; } I will usually keep common routines similar to this in the same file and autoload it with codeigniter's autoload configuration. Note: autoload URL helper for base_url() access. application/config/autoload.php: $autoload['helper...