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How to replace an item in an array with Javascript?

...edle) { return !!~haystack.indexOf(needle); }; // can be used like so now: if (contains(items, 3452)) { // do something else... } Starting with ES6/ES2015 for strings, and proposed for ES2016 for arrays, you can more easily determine if a source contains another value: if (haystack.inclu...
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List to array conversion to use ravel() function

... create a new variable "a" as: a=[] then assign the list to "a" as: a=b now "a" has all the components of list "b" in array. so you have successfully converted list to array. share | improve thi...
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How do I PHP-unserialize a jQuery-serialized form?

...sing $('#form').serialize() , I was able to send this over to a PHP page. Now how do I unserialize it in PHP? It was serialized in jQuery. ...
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Trigger 404 in Spring-MVC controller?

... In your case it sounds fine, but I don't know that I'd recommend the exceptions found in the link you provided to handle all cases where an exception in necessary - sometimes you should make your own. – Roy Truelove Oct 10 '12 a...
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How to get URL parameter using jQuery or plain JavaScript?

I have seen lots of jQuery examples where parameter size and name are unknown. 33 Answers ...
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How can I read command line parameters from an R script?

... support commandArgs(). littler could be ported to Windows but lives right now only on OS X and Linux. There are two add-on packages on CRAN -- getopt and optparse -- which were both written for command-line parsing. Edit in Nov 2015: New alternatives have appeared and I wholeheartedly recommend ...
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Call UrlHelper in models in ASP.NET MVC

...t's not working for me. Just for the record this is the solution I'm using now: var httpContext = HttpContext.Current; if (httpContext == null) { var request = new HttpRequest("/", "http://example.com", ""); var response = new HttpResponse(new StringWriter()); httpContext = new HttpContext(r...
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Adding a column to an existing table in a Rails migration

... @neeraj you probably have the answer by now but for other seekers, yes you can as in e.g. t.string :column_x, limit: 10, after: :column_y (for Rails 4 at least) – 244an May 15 '19 at 19:59 ...
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Convert Int to String in Swift

...I see that there is a global toString method (not Int.toString()), anyone know the advantage over using the String() constructor? – Nilloc Apr 13 '15 at 1:58 ...
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How can I wait for set of asynchronous callback functions?

... if (ajaxCallsRemaining <= 0) { // all data is here now // look through the returnedData and do whatever processing // you want on it right here } }); } Note: error handling is important here (not shown because it's specific to how you're...