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Can “this” ever be null in Java?
...like foo.bar() would be thrown when foo is discovered to be null. it does happen before entering the method, but the real story is that there is no method to attempt to call.
– Claudiu
Sep 24 '10 at 17:34
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Android emulator shows nothing except black screen and adb devices shows “device offline”
...at runs emulators through team viewer. In Android Studio 2.0, this option appears in the downward arrow next to the edit button -> "Wipe Data"
– behelit
Apr 12 '16 at 7:13
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Can't connect Nexus 4 to adb: unauthorized
...horize' prompt within S4. Now adb devices shows "device" and i can run my apps.
– Rob
Oct 19 '14 at 14:40
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Path.Combine absolute with relative path strings
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For windows universal apps Path.GetFullPath() is not available, you can use the System.Uri class instead:
Uri uri = new Uri(Path.Combine(@"C:\blah\",@"..\bling"));
Console.WriteLine(uri.LocalPath);
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React.js: Identifying different inputs with one onChange handler
Curious what the right way to approach this is:
11 Answers
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Using 'starts with' selector on individual class names
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Classes that start with "apple-" plus classes that contain " apple-"
$("div[class^='apple-'],div[class*=' apple-']")
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How to print to console when using Qt
...ed when compiling with QT_NO_DEBUG_OUTPUT to save performance and stop the application from cluttering up the output.
– JustMaximumPower
Oct 17 '12 at 13:14
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How can I measure the similarity between two images? [closed]
I would like to compare a screenshot of one application (could be a Web page) with a previously taken screenshot to determine whether the application is displaying itself correctly. I don't want an exact match comparison, because the aspect could be slightly different (in the case of a Web app, depe...
Creating a temporary directory in Windows?
...ption if tempDirectory already exists, this case won't be detected by your application. And then you may have two applications stepping on each other's work. Is there any safer alternative in .NET?
– Chris
Aug 20 '09 at 18:31
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AngularJS ng-class if-else expression
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Problem with this approach is now you're making the controller aware of CSS classes. Not a good approach. Having a variable set in the controller and then determining which class to use in the HTML from the variable is the better solution.
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