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Using Default Arguments in a Function

I am confused about default values for PHP functions. Say I have a function like this: 12 Answers ...
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How to design a multi-user ajax web application to be concurrently safe

...r cruel to your infrastructure if you do not configure your (Apache?) and (php?) well enough to be "lightweight" starters. It is desirable to optimize the polling request on the serverside so that it runs for far less time than the length of the polling interval. Splitting that runtime in half might...
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What are fixtures in programming?

... I think PHP-unit tests have very good explaining of this: One of the most time-consuming parts of writing tests is writing the code to set the world up in a known state and then return it to its original state when the test i...
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How to check whether an object is a date?

... Wow isNaN can be used to check a Date. That's some PHP level of inanity. – Nick Nov 19 '19 at 21:04 ...
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Meaning of $? (dollar question mark) in shell scripts

...about to do vendor/bin/drush status bootstrap | grep -q $(vendor/bin/drush php-eval 'if (function_exists("t")) echo t("Successful");') &> /dev/null;. If I had to put that in a single line if [ ... ] it would be terribly unreadable. I plan to store the output of that line to a variable so I ca...
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Stretch and scale a CSS image in the background - with CSS only

...e with all browsers. I do this dynamically for each page. Therefore I use PHP to generate its own HTML tag for each page. All the pictures are in the 'image' folder and end with 'Bg.jpg'. <html style=" background: url(images/'.$pic.'Bg.jpg) no-repeat center center fixed; -webkit-bac...
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Why am I getting an OPTIONS request instead of a GET request?

... I had the same problem. My fix was to add headers to my PHP script which are present only when in dev environment. This allows cross-domain requests: header("Access-Control-Allow-Origin: *"); This tells the preflight request that it is OK for the client to send any headers it ...
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Dealing with nginx 400 “The plain HTTP request was sent to HTTPS port” error

...he the solution which is answered by Igor here http://forum.nginx.org/read.php?2,1612,1627#msg-1627 Yes. Or you may combine SSL/non-SSL servers in one server: server { listen 80; listen 443 default ssl; # ssl on - remember to comment this out } ...
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Recommendation for compressing JPG files with ImageMagick

... Just saying for those who using Imagick class in PHP: $im -> gaussianBlurImage(0.8, 10); //blur $im -> setImageCompressionQuality(85); //set compress quality to 85 share | ...
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What is Python used for? [closed]

...s not specialised to a specific target of users (like R for statistics, or PHP for web programming). It is extended through modules and libraries, that hook very easily into the C programming language. Python enforces correct indentation of the code by making the indentation part of the syntax. Ther...