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How to avoid the “divide by zero” error in SQL?

... | edited Nov 28 '18 at 8:58 answered May 14 '09 at 6:10 ...
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Is there a function to make a copy of a PHP array to another?

...signed by reference. This means that: $a = array(); $b = $a; $b['foo'] = 42; var_dump($a); Will yield: array(0) { } Whereas: $a = new StdClass(); $b = $a; $b->foo = 42; var_dump($a); Yields: object(stdClass)#1 (1) { ["foo"]=> int(42) } You could get confused by intricacies such...
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How JavaScript closures are garbage collected

...but the expected behavior. From Mozilla's Memory management page: "As of 2012, all modern browsers ship a mark-and-sweep garbage-collector." "Limitation: objects need to be made explicitly unreachable". In your examples where it fails some is still reachable in the closure. I tried two ways to m...
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When should static_cast, dynamic_cast, const_cast and reinterpret_cast be used?

... 2626 static_cast is the first cast you should attempt to use. It does things like implicit convers...
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How do I get the collection of Model State Errors in ASP.NET MVC?

... 212 <% ViewData.ModelState.IsValid %> or <% ViewData.ModelState.Values.Any(x => x.E...
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How to select multiple files with ?

... | edited Aug 12 '19 at 7:35 answered Oct 20 '09 at 8:48 ...
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jQuery hasClass() - check for more than one class

... 228 How about: element.is('.class1, .class2') ...
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Couldn't connect to server 127.0.0.1:27017

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How can I get Git to follow symlinks?

... | edited Oct 27 '18 at 10:07 Peter Mortensen 26.5k2121 gold badges9292 silver badges122122 bronze badges ...
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How do I convert Word files to PDF programmatically? [closed]

... 206 Use a foreach loop instead of a for loop - it solved my problem. int j = 0; foreach (Microsof...