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编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...re-Interprpreted-by-the-Microsoft-Compiler本文不是一篇介绍如何在x86架构上详细地实现异常处理(exception handling)的手册，只是一篇入门的讨论性文章。本文只是讨论一些处理步骤在理论上应该如何实现，其具体的实现步骤可能跟文章所讨...
Generating random integer from a range
...distributed solution is
output = min + (rand() % static_cast<int>(max - min + 1))
Except when the size of the range is a power of 2, this method produces biased non-uniform distributed numbers regardless the quality of rand(). For a comprehensive test of the quality of this method, please r...
How to enumerate an enum
...n your enum, and you want the other behavior, you can use Linq's Distinct extension (since .NET 3.5), so foreach (var suit in ((Suit[])Enum.GetValues(typeof(Suit))).Distinct()) { }.
– Jeppe Stig Nielsen
Jun 12 '14 at 8:46
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Understanding exactly when a data.table is a reference to (vs a copy of) another data.table
...Some operations seem to 'break' the reference, and I'd like to understand exactly what's happening.
2 Answers
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Unexpected results when working with very big integers on interpreted languages
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Bash: infinite sleep (infinite blocking)
I use startx to start X which will evaluate my .xinitrc . In my .xinitrc I start my window manager using /usr/bin/mywm . Now, if I kill my WM (in order to f.e. test some other WM), X will terminate too because the .xinitrc script reached EOF.
So I added this at the end of my .xinitrc :
...
Should everything really be a bundle in Symfony 2.x?
... dir: %kernel.root_dir%/../src/Vendor/Model
prefix: Vendor\Model
alias: Model
is_bundle: false
Entities's names — to access from Doctrine repositories — begin with Model in this case, for example, Model:User.
You can use subnamespaces to...
Question mark and colon in JavaScript
...ink of the ? as "then" and : as "else".
Your code is equivalent to
if (max != 0)
hsb.s = 255 * delta / max;
else
hsb.s = 0;
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Programmatically create a UIView with color gradient
...)[UIColor blackColor].CGColor];
[view.layer insertSublayer:gradient atIndex:0];
Swift:
let view = UIView(frame: CGRect(x: 0, y: 0, width: 320, height: 50))
let gradient = CAGradientLayer()
gradient.frame = view.bounds
gradient.colors = [UIColor.white.cgColor, UIColor.black.cgColor]
view.layer....
switch / pattern matching idea
...se Rectangle s when (s.Length == s.Height):
WriteLine($"{s.Length} x {s.Height} square");
break;
case Rectangle r:
WriteLine($"{r.Length} x {r.Height} rectangle");
break;
default:
WriteLine("<unknown shape>");
break;
case null:
...