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qmake: could not find a Qt installation of ''
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Add new item in existing array in c#.net
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20 Answers
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Binding arrow keys in JS/jQuery
...up
break;
case 39: // right
break;
case 40: // down
break;
default: return; // exit this handler for other keys
}
e.preventDefault(); // prevent the default action (scroll / move caret)
};
If you need to support IE8, start the function bod...
Media Queries: How to target desktop, tablet, and mobile?
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IMO these are the best breakpoints:
@media (min-width:320px) { /* smartphones, portrait iPhone, portrait 480x320 phones (Android) */ }
@media (min-width:480px) { /* smartphones, Android phones, landscape iPhone */ }
@media (min-width:600px) { /* portrait tablets, portrait iPad,...
Node.js on multi-core machines
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705
[This post is up-to-date as of 2012-09-02 (newer than above).]
Node.js absolutely does scale o...
Why does Ruby have both private and protected methods?
...nyways since you can always gain access to a method using send:
irb(main):001:0> class A
irb(main):002:1> private
irb(main):003:1> def not_so_private_method
irb(main):004:2> puts "Hello World"
irb(main):005:2> end
irb(main):006:1> end
=> nil
irb(main):007:0> foo =...
UITableView row animation duration and completion callback
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Catch a thread's exception in the caller thread in Python
...int exc_type, exc_obj
print exc_trace
thread_obj.join(0.1)
if thread_obj.isAlive():
continue
else:
break
if __name__ == '__main__':
main()
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How do I extend a class with c# extension methods?
...46
DonO
8051111 silver badges2626 bronze badges
answered Jul 27 '09 at 13:45
Andrew HareAndrew Hare
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Cron and virtualenv
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gak
28.4k2323 gold badges107107 silver badges149149 bronze badges
answered Jul 20 '10 at 4:40
arsars
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