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iOS app icon with transparent background showing black background on device
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132
From the apple developer website after a quick search:
Avoid transparency. An app icon shou...
How expensive is RTTI?
..., on many platforms (Linux, BSD and maybe embedded platforms, but not mingw32). If you know you'll always be on a blessed platform, RTTI is very close to free.
Gritty details:
GCC prefers to use a particular "vendor-neutral" C++ ABI[1], and always uses this ABI for Linux and BSD targets[2]. For pl...
recursively add file extension to all files
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Stephan202Stephan202
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How to Use Order By for Multiple Columns in Laravel 4?
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389
Simply invoke orderBy() as many times as you need it. For instance:
User::orderBy('name', 'DE...
How can I extract the folder path from file path in Python?
...ath.split(os.path.abspath(existGDBPath))
('T:\\Data\\DBDesign', 'DBDesign_93_v141b.mdb')
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How to Replace dot (.) in a string in Java
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Eric Leschinski
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answered Sep 11 '11 at 19:20
FemiFemi
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Read only the first line of a file?
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360
Use the .readline() method (Python 2 docs, Python 3 docs):
with open('myfile.txt') as f:
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How to get a random number in Ruby
... them with:
10.times.map{ 20 + Random.rand(11) }
#=> [26, 26, 22, 20, 30, 26, 23, 23, 25, 22]
Note:
Using Random.new.rand(20..30) (using Random.new) generally would not be a good idea, as explained in detail (again) by Marc-André Lafortune, in his answer (again).
But if you don't use Rand...
Reusing a PreparedStatement multiple times
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edited Aug 13 '15 at 12:53
answered Mar 18 '10 at 2:04
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