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What does the Q_OBJECT macro do? Why do all Qt objects need this macro?
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edited Apr 7 '16 at 20:48
Unslander Monica
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Draw line in UIView
...y to do it. For example, I want to draw a black horizontal line at y-coord=200.
8 Answers
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commands not found on zsh
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228
It's evident that you've managed to mess up your PATH variable. (Your current PATH doesn't co...
cannot load such file — zlib even after using rvm pkg install zlib
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201
I ended up installing zlib from apt-get and then reinstalling ruby to not use the rvm director...
How do I call one constructor from another in Java?
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21 Answers
21
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How to set delay in android?
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Tuan VuTuan Vu
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Create a dictionary on a list with grouping
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edited Oct 3 '13 at 17:23
Dov
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answered Ju...
How do you create a random string that's suitable for a session ID in PostgreSQL?
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12 Answers
12
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The resulting API analysis is too large when upload app to mac store
...created App Scanner to do the same thing, but it hasn't been updated since 2011. Unfortunately, for large projects -- and this includes projects with a lot of extra pods from CocoaPods -- there is no current (2014) good way of solving this problem other than proactively naming things such that they ...
“for” vs “each” in Ruby
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This is the only difference:
each:
irb> [1,2,3].each { |x| }
=> [1, 2, 3]
irb> x
NameError: undefined local variable or method `x' for main:Object
from (irb):2
from :0
for:
irb> for x in [1,2,3]; end
=> [1, 2, 3]
irb> x
=> 3
With t...