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Check if a method exists
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if ([obj respondsToSelector:@selector(methodName:withEtc:)]) {
[obj methodName:123 withEtc:...
Choice between vector::resize() and vector::reserve()
... the only effect.
So it depends on what you want. If you want an array of 1000 default items, use resize(). If you want an array to which you expect to insert 1000 items and want to avoid a couple of allocations, use reserve().
EDIT: Blastfurnace's comment made me read the question again and reali...
How to run Ruby code from terminal?
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If Ruby is installed, then
ruby yourfile.rb
where yourfile.rb is the file containing the ru...
Suppress/ print without b' prefix for bytes in Python 3
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111
Use decode:
print(curses.version.decode())
# 2.2
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How to animate the change of image in an UIImageView?
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14 Answers
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Appropriate hashbang for Node.js scripts
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1 Answer
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Updating packages in Emacs
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165
In order to automatically update the list of packages, only if there is no package list alrea...
Export a graph to .eps file with R
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129
The easiest way I've found to create postscripts is the following, using the setEPS() command:...
Segmentation fault on large array sizes
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131
You're probably just getting a stack overflow here. The array is too big to fit in your progr...
Git Gui: Perpetually getting “This repository currently has approximately 320 loose objects.”
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edited Jun 20 at 9:12
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answered Jan 30 '14 at 13:53
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