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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...
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 :
...
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
...
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....
How do I get IntelliJ IDEA to display directories?
...t root as the basedir in ant terms.
These instructions are for IntelliJ 9.x
Hope this helps someone.
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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:
...
Converting newline formatting from Mac to Windows
... problem I had here . The issue seems to be with newline formatting in text files, but I can't find a tool to make the conversion...
...
Can I list-initialize a vector of move-only type?
...t E* iterator;
typedef const E* const_iterator;
const E* begin() const noexcept; // first element
const E* end() const noexcept; // one past the last element
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