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John Carmack's Unusual Fast Inverse Square Root (Quake III)
...t, 4x faster than regular (float)(1.0/sqrt(x)) , including a strange 0x5f3759df constant. See the code below. Can someone explain line by line what exactly is going on here and why this works so much faster than the regular implementation?
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Adding rounded corner and drop shadow to UICollectionViewCell
...l.bounds cornerRadius:cell.contentView.layer.cornerRadius].CGPath;
Swift 3.0
self.contentView.layer.cornerRadius = 2.0
self.contentView.layer.borderWidth = 1.0
self.contentView.layer.borderColor = UIColor.clear.cgColor
self.contentView.layer.masksToBounds = true
self.layer.shadowColor = UIColor....
StringUtils 字符串工具扩展：强大的文本处理工具集 · App Inventor 2 中文网
... 无后缀
返回新字符串，不修改 Text 属性
Left(3)
“This” 后缀
修改内部 Text 属性
LeftThis(3)
“Of” 后缀
对传入的参数进行操作
LeftOf("Hello", 3)
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Vim Insert Mode on Mac OS X
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213
If this is as simple a question as it seems, you merely press i.
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What is the 'cls' variable used for in Python classes?
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303
The distinction between "self" and "cls" is defined in PEP 8 . As Adrien said, this is not a m...
Is it expensive to use try-catch blocks even if an exception is never thrown?
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edited May 8 '13 at 23:36
answered May 8 '13 at 23:30
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How to add Active Directory user group as login in SQL Server
...marc_s
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JavaScript open in a new window, not tab
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edited Nov 2 '15 at 9:23
vijayP
11.1k44 gold badges1919 silver badges3737 bronze badges
answered Apr ...
Ioc/DI - Why do I have to reference all layers/assemblies in application's entry point?
...I container, I wouldn't have to reference EntityFramework library in my MVC3 app, only my business layer which would reference my DAL/Repo layer.
Yes, that's exactly the situation DI works so hard to avoid :)
With tightly coupled code, each library may only have a few references, but these again ...
Setting onClickListener for the Drawable right of an EditText [duplicate]
...s();
int x, y;
int extraTapArea = (int) (13 * getResources().getDisplayMetrics().density + 0.5);
x = actionX;
y = actionY;
if (!bounds.contains(actionX, actionY)) {
/** Gives the +20 area for tapp...