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How to change Status Bar text color in iOS

...e transparent. So I can't see anything there, only the green battery indicator in the corner. How can I change the status bar text color to white like it is on the home screen? ...
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Android emulator: How to monitor network traffic?

How do I monitor network traffic sent and received from my android emulator? 11 Answers ...
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How do I execute a string containing Python code in Python?

...;> x = eval("2+2") >>> x 4 However, the first step should be to ask yourself if you really need to. Executing code should generally be the position of last resort: It's slow, ugly and dangerous if it can contain user-entered code. You should always look at alternatives first, such as...
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Why use strict and warnings?

It seems to me that many of the questions in the Perl tag could be solved if people would use: 8 Answers ...
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Random data in Unit Tests?

... There's a compromise. Your coworker is actually onto something, but I think he's doing it wrong. I'm not sure that totally random testing is very useful, but it's certainly not invalid. A program (or unit) specification is a hypothesis that there exists some program that me...
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Are arrays passed by value or passed by reference in Java? [duplicate]

...ava objects, arrays are passed by value ... but the value is the reference to the array. So, when you assign something to a cell of the array in the called method, you will be assigning to the same array object that the caller sees. This is NOT pass-by-reference. Real pass-by-reference involves p...
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UIButton inside a view that has a UITapGestureRecognizer

... the view another view appears above this view. This new view has three buttons. When I now press on one of these buttons I don't get the buttons action, I only get the tap gesture action. So I'm not able to use these buttons anymore. What can I do to get the events through to these buttons? The wei...
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Which is more efficient, a for-each loop, or an iterator?

Which is the most efficient way to traverse a collection? 7 Answers 7 ...
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How to elegantly check if a number is within a range?

... Enumerable.Range has to generate the enumerable of integers first, and then loop over each item to find it. That's a terrible idea and performance compared to checking a value is drastically different. I think we should adopt a moto, just becau...
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How can I declare and use Boolean variables in a shell script?

I tried to declare a Boolean variable in a shell script using the following syntax: 21 Answers ...