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Are PHP Variables passed by value or by reference?

... function is changed, it does not get changed outside of the function). To allow a function to modify its arguments, they must be passed by reference. To have an argument to a function always passed by reference, prepend an ampersand (&) to the argument name in the function definition. &l...
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How to create Java gradle project

...ted to the gradle project. Then, how can I set the source folders automatically? – verystrongjoe May 15 '15 at 0:26 On...
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Difference between require, include, require_once and include_once?

...n that you do not want to happen twice due to the HTTP overhead But basically, it's up to you when to use which. share | improve this answer | follow | ...
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is_null($x) vs $x === null in PHP [duplicate]

...someone strongly suggested that I use is_null() instead as it is specifically designed for the null-evaluation purpose. He also started talking about math or something. ...
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How to write into a file in PHP?

...on like: file_put_contents($filename, $content); which is identical to calling fopen(), fwrite(), and fclose() successively to write data to a file. Docs: file_put_contents share | improve this ...
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Sending multipart/formdata with jQuery.ajax

...jQuery.ajax(opts); Create FormData from an existing form Instead of manually iterating the files, the FormData object can also be created with the contents of an existing form object: var data = new FormData(jQuery('form')[0]); Use a PHP native array instead of a counter Just name your file e...
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doGet and doPost in Servlets

...ould use doPost() when you want to intercept on HTTP POST requests. That's all. Do not port the one to the other or vice versa (such as in Netbeans' unfortunate auto-generated processRequest() method). This makes no utter sense. GET Usually, HTTP GET requests are idempotent. I.e. you get exactly t...
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Difference between web server, web container and application server

...d back with a HTTP response. Application Server or App Server: can handle all application operations between users and an organization's back end business applications or databases.It is frequently viewed as part of a three-tier application with: Presentation tier, logic tier,Data tier ...
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Passing arrays as url parameter

...5D=4&aParam%5Ba%5D=b&aParam%5Bc%5D=d" http_build_query() handles all the necessary escaping for you (%5B => [ and %5D => ]), so this string is equal to aParam[0]=1&aParam[1]=4&aParam[a]=b&aParam[c]=d. ...
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How to check if one DateTime is greater than the other in C#

... Ben HoffsteinBen Hoffstein 96.4k88 gold badges9898 silver badges118118 bronze badges add a comment ...