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Why does Convert.ToString(null) return a different value if you cast null?

...alue is null." EDIT: As to whether this is a "bug in the spec", "very bad API design", "why was it specified like this", etc. - I'll take a shot at some rationale for why I don't see it as big deal. System.Convert has methods for converting every base type to itself. This is strange - since no con...
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Matplotlib: “Unknown projection '3d'” error

...t as plt from mpl_toolkits.mplot3d import axes3d, Axes3D #<-- Note the capitalization! fig = plt.figure() ax = Axes3D(fig) #<-- Note the difference from your original code... X, Y, Z = axes3d.get_test_data(0.05) cset = ax.contour(X, Y, Z, 16, extend3d=True) ax.clabel(cset, fontsize=9, inlin...
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Git diff between current branch and master but not including unmerged master commits

...ically origin/devel). If that was the case, git diff origin/devel...bugfix/API-353-api-allows-database-access-when would have worked even before the checkout. – Palec Aug 2 '17 at 9:30 ...
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How do I remove a project configuration in Visual Studio 2008?

... a solution is done by using Nuget console command to access visual studio apis. Go to Tools, Nuget Package Manager, Package Manager Console. From there use: Get-Project -All | Foreach { $_.ConfigurationManager.DeleteConfigurationRow("Release") } In this way you have removed all the configurati...
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Should you ever use protected member variables?

...control over the code that uses them as well. If you are creating a public API, I'd say never. Below, we'll refer to the member variable as a "property" of the object. Here's what your superclass cannot do after making a member variable protected rather than private-with-accessors: lazily create ...
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Is there a use-case for singletons with database access in PHP?

... no more, no support nothing). - People who need to work with third-party APIs, services and websites. If you look closer, this is not too different than the earlier case - third-party APIs, services, websites, are just like external, isolated codebases over which you have NO control. Anything ca...
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JavaScript/jQuery to download file via POST with JSON data

...s, and I've downloaded PDF's (However they are corrupted). Using the blob API you will be able to do the following: $.post(/*...*/,function (result) { var blob=new Blob([result]); var link=document.createElement('a'); link.href=window.URL.createObjectURL(blob); link.download="myFil...
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What is the best way to detect a mobile device?

... |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|u...
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Difference between “managed” and “unmanaged”

... can use all the .NET functions, whereas the latter use the native Windows API. – Andreas Rejbrand Aug 25 '10 at 10:37 ...
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How to call a method defined in an AngularJS directive?

...blets += 1; } } }; }); <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script> <div ng-app="directiveControlDemo"> <div ng-controller="MainCtrl"> <button ng-click="focusinControl.takeTablet()">Call directiv...