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Android Closing Activity Programmatically

...ou press the back button, the activity goes out of view. How can this be called from inside an activity so that it closes itself. ...
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How to revert a merge commit that's already pushed to remote branch?

...se a merge commit has more than one parent, and Git does not know automatically which parent was the mainline, and which parent was the branch you want to un-merge. When you view a merge commit in the output of git log, you will see its parents listed on the line that begins with Merge: commit 8f9...
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CSS vertical alignment text inside li

... line-height is how you vertically align text. It is pretty standard and I don't consider it a "hack". Just add line-height: 100px to your ul.catBlock li and it will be fine. In this case you may have to add it to ul.catBlock li a instead since all of th...
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C++ auto keyword. Why is it magic?

From all the material I used to learn C++, auto has always been a weird storage duration specifier that didn't serve any purpose. But just recently, I encountered code that used it as a type name in and of itself. Out of curiosity I tried it, and it assumes the type of whatever I happen to assig...
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Abstract Class vs Interface in C++ [duplicate]

...rt interfaces (the "mature approach") instead of C++ classes (this is basically what COM does, but without the burden of COM infrastructure). I'd use an interface if I want to define a set of rules using which a component can be programmed, without specifying a concrete particular behavior. Classes...
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Why does Boolean.ToString output “True” and not “true”

... Only people from Microsoft can really answer that question. However, I'd like to offer some fun facts about it ;) First, this is what it says in MSDN about the Boolean.ToString() method: Return Value Type: System.String TrueString if the value...
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HTML table with fixed headers?

... @tetra td { max-width: 30px; } this will allow you the developer to control how the rows are displayed. – Lyuben Todorov May 30 '12 at 22:28 ...
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How to force LINQ Sum() to return 0 while source collection is empty

Basically when I do the following query, if no leads were matched the following query throws an exception. In that case I'd prefer to have the sum equalize 0 rather than an exception being thrown. Would this be possible in the query itself - I mean rather than storing the query and checking query.A...
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HTML form readonly SELECT tag/input

... We could also use this Disable all except the selected option: <select> <option disabled>1</option> <option selected>2</option> <option disabled>3</option> </select> This way the dropdown still...
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jQuery checkbox event handling

... Just a small tip. You will get a performance boost by using input:checkbox in your selector instead of just :checkbox since the latter is translated to the universal selector *:checkbox. – jimmystormig ...