大约有 47,000 项符合查询结果（耗时：0.0798秒） [XML]
From Arraylist to Array
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lgvalle
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answered Nov 1 '11 at 15:50
ObscureRobotObscureR...
MAC addresses in JavaScript
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answered Aug 14 '08 at 6:21
Grey PantherGrey Panther
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Why is division in Ruby returning an integer instead of decimal value?
...doing integer division. You can make one of the numbers a Float by adding .0:
9.0 / 5 #=> 1.8
9 / 5.0 #=> 1.8
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Two color borders
...utline is inside of the shadow; in FireFox it is outside, so -moz-outline: 0 is useful to ensure that you don't get a gnarly line around your beautiful CSS drop shadow).
.someclass {
border: 1px solid blue;
outline: 1px solid darkblue;
}
Edit: Some people have remarked that outline doesn't ji...
Difference between subprocess.Popen and os.system
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102
If you check out the subprocess section of the Python docs, you'll notice there is an example o...
Why does pthread_cond_wait have spurious wakeups?
...ion is given by David R. Butenhof in "Programming with POSIX Threads" (p. 80):
Spurious wakeups may sound strange, but on some multiprocessor systems, making condition wakeup completely predictable might substantially slow all condition variable operations.
In the following comp.programming.th...
Interface Builder: What are the UIView's Layout iOS 6/7 Deltas for?
...ffect, it is overlaid on top of your view. So if you put a UI element at (0.0, 0.0) on iOS6, it will appear below the status bar, but on iOS7 it would appear partially covered underneath the status bar. So in that case you would want a delta that matches the status bar height (20.0 points) so that...
Find size of an array in Perl
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Chris Jester-YoungChris Jester-Young
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What is the lifecycle of an AngularJS Controller?
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answered Apr 19 '13 at 3:10
Caio CunhaCaio Cunha
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What's the difference between a continuation and a callback?
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+50
I believe that continuations are a special case of callbacks. A function may callback any number of functions, any number of times. Fo...