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Achieving bright, vivid colors for an iOS 7 translucent UINavigationBar
iOS 7.1 UPDATE : Looks like the workaround for modifying the alpha channel in the UINavigationBar has been ignored in this update. Right now, the best solution seems to be to just 'deal with it' and hope that whatever color you choose can render a translucent effect. I am still looking into ways of ...
List goals/targets in GNU make that contain variables in their definition
I have a fairly large makefile that creates a number of targets on the fly by computing names from variables. (eg foo$(VAR) : $(PREREQS)). Is there any way that gnu make can be convinced to spit out a list of targets after it has expanded these variables?
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What is the difference between call and apply?
What is the difference between using call and apply to invoke a function?
24 Answers
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How to 'grep' a continuous stream?
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Turn on grep's line buffering mode when using BSD grep (FreeBSD, Mac OS X etc.)
tail -f file | grep --line-buffered my_pattern
You don't need to do this for GNU grep (used on pretty much any Linux) as it will flush by default (YMMV for other Un...
Hidden Features of VB.NET?
I have learned quite a bit browsing through Hidden Features
of C# and was surprised when I couldn't find something
similar for VB.NET.
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How to strip leading “./” in unix “find”?
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If they're only in the current directory
find * -type f -print
Is that what you want?
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Java recursive Fibonacci sequence
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In fibonacci sequence each item is the sum of the previous two. So, you wrote a recursive algorithm.
So,
fibonacci(5) = fibonacci(4) + fibonacci(3)
fibonacci(3) = fibonacci(2) + fibonacci(1)
fibonacci(4) = fibonacci(3) + fi...
std::function vs template
Thanks to C++11 we received the std::function family of functor wrappers. Unfortunately, I keep hearing only bad things about these new additions. The most popular is that they are horribly slow. I tested it and they truly suck in comparison with templates.
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Display a float with two decimal places in Python
I have a function taking float arguments (generally integers or decimals with one significant digit), and I need to output the values in a string with two decimal places (5 -> 5.00, 5.5 -> 5.50, etc). How can I do this in Python?
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Difference between onCreateView and onViewCreated in Fragment
What's the essential difference between these two methods? When I create a TextView, should I use one over the other for performance?
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