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iOS: how to perform a HTTP POST request?

...ction *)connection didFailWithError:(NSError *)error { [[[[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Error", @"") message:[error localizedDescription] delegate:nil cancelButtonTitle:NSLocalizedStri...
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jQuery: serialize() form and other parameters

...onment, then none of these answers should be used. The form should contain all information (in hidden fields if necessary) so that it can be serialised in a single call. This way if JS is disabled or fails, the form submission should still have a failsafe and include all data when sent. ...
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Difference between dispatch_async and dispatch_sync on serial queue?

... I do mean serial execution. In point of view that all tasks are executed serial regards to other tasks in the same queue. Of cause it still can be concurrent regards to other queues. It is the whole point of GCD that tasks can be dispatched and executed concurrently. ...
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What does new self(); mean in PHP?

... the parent class The first situation would look like this (I've removed all non-necessary code, for this example -- you'll have to add it back to get the singleton behavior)* : class MyParentClass { } class MyChildClass extends MyParentClass { public static function getInstance() { ...
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Types in MySQL: BigInt(20) vs Int(20)

...gInt , MediumInt , and Int are... it would seem obvious that they would allow for larger numbers; however, I can make an Int(20) or a BigInt(20) and that would make seem that it is not necessarily about size. ...
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Could not load file or assembly 'Newtonsoft.Json' or one of its dependencies. Manifest definition do

... To solve this, I ensured all my projects used the same version by running the following command and checking the results: update-package Newtonsoft.Json -reinstall And, lastly I removed the following from my web.config: <dependentAssembly&gt...
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Client to send SOAP request and receive response

... I normally use another way to do the same using System.Xml; using System.Net; using System.IO; public static void CallWebService() { var _url = "http://xxxxxxxxx/Service1.asmx"; var _action = "http://xxxxxxxx/Service1.asm...
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ASP.NET MVC: No parameterless constructor defined for this object

...same exception occurs when a Model has no parameterless constructor. The call stack was figuring a method responsible for creating a new instance of a model. System.Web.Mvc.DefaultModelBinder.CreateModel(ControllerContext controllerContext, ModelBindingContext bindingContext, Type modelType) ...
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Programmatically find the number of cores on a machine

...ne, if a system is capable of turning some off they might not be counted. Calling sysconf with "_SC_NPROCESSORS_CONF" will return the total CPUs configured. – Chris S Apr 23 '11 at 18:43 ...
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What is the meaning of “POSIX”?

... and I read it every time I encounter the term. The fact is that I never really understood what it is. 14 Answers ...