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Should switch statements always contain a default clause?

...e back), I was told that it's good practice to include a default clause in all switch statements. I recently remembered this advice but can't remember what the justification was. It sounds fairly odd to me now. ...
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Is it possible to ping a server from Javascript?

...ther parts of the source but you get the idea). function Pinger_ping(ip, callback) { if(!this.inUse) { this.inUse = true; this.callback = callback this.ip = ip; var _that = this; this.img = new Image(); this.img.onload = function() {_that.good();}; this.img.onerro...
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How to make a PHP SOAP call using the SoapClient class

...ing) <?php // Create Contact class class Contact { public function __construct($id, $name) { $this->id = $id; $this->name = $name; } } // Initialize WS with the WSDL $client = new SoapClient("http://localhost:10139/Service1.asmx?wsdl"); // Create Contact obj ...
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How to convert an image to base64 encoding?

...hould be: $path = 'myfolder/myimage.png'; $type = pathinfo($path, PATHINFO_EXTENSION); $data = file_get_contents($path); $base64 = 'data:image/' . $type . ';base64,' . base64_encode($data); share | ...
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What are 'closures' in .NET?

...thod and the variable j [CompilerGenerated] private sealed class <>c__DisplayClass2 { public <>c__DisplayClass2(); public void <fillFunc>b__0() { Console.Write("{0} ", this.j); } public int j; } for the function: static void fillFunc(int count) { ...
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Optional query string parameters in ASP.NET Web API

...ect using [FromUri] doesn't directly answer the original question. It basically says populate these models with the values from the Uri. The models properties would need to be nullable or a reference type in order for them to support being optional. Added additional information. ...
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Split data frame string column into multiple columns

... Use stringr::str_split_fixed library(stringr) str_split_fixed(before$type, "_and_", 2) share | improve this answer | ...
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Python circular importing?

... of it) for the first time, the code inside the module is executed sequentially like any other code; e.g., it is not treated any differently that the body of a function. An import is just a command like any other (assignment, a function call, def, class). Assuming your imports occur at the top of th...
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Can you nest html forms?

... I agree with the answer, but to ask another, why not? Why does HTML not allow for nesting forms? To me, it appears to be a limitation that we would be better off without. There are many examples where using nested forms would be easier to program (i.e. using an upload photo form with a profile ed...
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How to create EditText with cross(x) button at end of it?

...n, or is there any property for EditText by which it is created automatically? I want the cross button to delete whatever text written in EditText . ...