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How do browsers pause/change Javascript when tab or window is not active?
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+200
Test One
I have written a test specifically for this purpose:
Frame Rate Distribution: setInterval vs requestAnimationFrame
Note: T...
Converting file size in bytes to human-readable string
...ng, floppy disks use a mixture of the two systems - their 1MB is actually 1024000 bytes.
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How to sort an array by a date property
... else if(sort_o1_after_o2) return 1;
else return 0;
});
Or more tersely:
array.sort(function(o1,o2){
return sort_o1_before_o2 ? -1 : sort_o1_after_o2 ? 1 : 0;
});
Generic, Powerful Answer
Define a custom non-enumerable sortBy function using a Schwartzian transform o...
Python: Select subset from list based on index set
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answered Jul 5 '10 at 11:32
kennytmkennytm
451k9292 gold badges980980 silver badges958958 bronze badges
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how do I initialize a float to its max/min value?
...west possible positive value. In other words the positive value closest to 0 that can be represented. The lowest possible value is the negative of the maximum possible value.
There is of course the std::max_element and min_element functions (defined in <algorithm>) which may be a better choic...
How to resize a VirtualBox vmdk file
..."cloned.vdi" --format vdi
VBoxManage modifymedium "cloned.vdi" --resize 51200
VBoxManage clonemedium "cloned.vdi" "resized.vmdk" --format vmdk
The above will resize the hard disk up to 50GB (50 * 1024MB).
To complete things you need to resize the drive too! To achieve this, you might want to dow...
Using NSPredicate to filter an NSArray based on NSDictionary keys
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answered Jun 6 '09 at 0:18
surakensuraken
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Regex to replace everything except numbers and a decimal point
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Use this:
document.getElementById(target).value = newVal.replace(/[^0-9.]/g, "");
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Is it possible to adjust x,y position for titleLabel of UIButton?
...tentVerticalAlignment:UIControlContentVerticalAlignmentTop];
//move text 10 pixels down and right
[button setTitleEdgeInsets:UIEdgeInsetsMake(10.0f, 10.0f, 0.0f, 0.0f)];
And in Swift
//make the buttons content appear in the top-left
button.contentHorizontalAlignment = .Left
button.contentVertica...
php each与list的用法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... '<hr />';
/*
返回
Array
(
[1] => 你
[value] => 你
[0] => 0
[key] => 0
)
Array
(
[1] => 若
[value] => 若
[0] => 1
[key] => 1
)
*/
//执行相同的一段代码，从‘你’到‘若’，说明each是会每执行一次，游...