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install / uninstall APKs programmatically (PackageManager vs Intents)

My application installs other applications, and it needs to keep track of what applications it has installed. Of course, this could be achieved by simply keeping a list of installed applications. But this should not be necessary! It should be the responsibility of the PackageManager to maintain the ...
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Detect blocked popup in Chrome

...opup's DOM will never be ready() in Safari because it'll give you a valid handle for the window you're trying to open -- whether it actually opens or not. (in fact, i believe your popup test code above won't work for safari.) I think the best thing you can do is wrap your test in a setTimeout() and...
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Inserting a tab character into text using C#

I'm building an application where I should capture several values and build a text with them: Name , Age , etc. 9 Answer...
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Find rows with multiple duplicate fields with Active Record, Rails & Postgres

...find records with duplicate values across multiple columns using Postgres, and Activerecord? 5 Answers ...
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Applying function with multiple arguments to create a new pandas column

I want to create a new column in a pandas data frame by applying a function to two existing columns. Following this answer I've been able to create a new column when I only need one column as an argument: ...
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When to use virtual destructors?

I have a solid understanding of most OOP theory but the one thing that confuses me a lot is virtual destructors. 17 Answe...
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Can you call ko.applyBindings to bind a partial view?

I'm using KnockoutJS and have a main view and view model. I want a dialog (the jQuery UI one) to popup with another view which a separate child view model to be bound to. ...
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How do you close/hide the Android soft keyboard using Java?

I have an EditText and a Button in my layout. 108 Answers 108 ...
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TargetedPatchingOptOut: “Performance critical to inline across NGen image boundaries”?

Been going through some framework classes using reflector and noticed a number of the methods and properties have the following attribute ...
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#if Not Debug in c#?

...e familiar with what is going on here, #if is a pre-processing expression, and DEBUG is a conditional compilation symbol. Here's an MSDN article for a more in-depth explanation. By default, when in Debug configuration, Visual Studio will check the Define DEBUG constant option under the project's B...