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Send an Array with an HTTP Get

... single value. foo[]=value1&foo[]=value2&foo[]=value3 $foo = $_GET["foo"]; // [value1, value2, value3] echo is_array($foo); // true In case you still use foo=value1&foo=value2&foo=value3, then it'll return only the first value. $foo = $_GET["foo"]; // value1 echo is_array($fo...
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What is a callback function?

...ant is to be able to call factorial in the following way: factorial(really_big_number, what_to_do_with_the_result) The second parameter, what_to_do_with_the_result, is a function you send along to factorial, in the hope that factorial will call it on its result before returning. Yes, this means...
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AngularJS directive with default options

... answered Sep 13 '13 at 10:57 OZ_OZ_ 11.8k66 gold badges4343 silver badges6666 bronze badges ...
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Javascript : Send JSON Object with Ajax?

... With jQuery: $.post("test.php", { json_string:JSON.stringify({name:"John", time:"2pm"}) }); Without jQuery: var xmlhttp = new XMLHttpRequest(); // new HttpRequest instance xmlhttp.open("POST", "/json-handler"); xmlhttp.setRequestHeader("Content-Type", "appl...
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Create directory if it does not exist

...me problem. You can use something like this: $local = Get-Location; $final_local = "C:\Processing"; if(!$local.Equals("C:\")) { cd "C:\"; if((Test-Path $final_local) -eq 0) { mkdir $final_local; cd $final_local; liga; } ## If path already exists ## ...
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How do I sort a vector of pairs based on the second element of the pair?

...custom comparator (it's an optional 3rd argument to std::sort) struct sort_pred { bool operator()(const std::pair<int,int> &left, const std::pair<int,int> &right) { return left.second < right.second; } }; std::sort(v.begin(), v.end(), sort_pred()); If you'r...
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.NET HttpClient. How to POST string value?

... You should private static readonly HttpClient _client = new HttpClient(); instead aspnetmonsters.com/2016/08/2016-08-27-httpclientwrong – Sameer Alibhai May 9 '17 at 15:05 ...
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How to find out if an item is present in a std::vector?

...ctor> if ( std::find(vec.begin(), vec.end(), item) != vec.end() ) do_this(); else do_that(); share | improve this answer | follow | ...
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Converting String to Int with Swift

... var value: Int { string.digits.integer ?? 0 } var maxValue: Int = 999_999_999 private var lastValue: Int = 0 override func willMove(toSuperview newSuperview: UIView?) { // adds a target to the textfield to monitor when the text changes addTarget(self, action: #selector...
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What is a JavaBean exactly?

...primitive type or an instance of a class? – kingfrito_5005 Nov 29 '16 at 15:35 8 @kingfrito_5005:...