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Why doesn't String switch statement support a null case?
...m.ordinal(). The [...] ordinals start at zero.
That means, mapping null to 0 wouldn't be a good idea. A switch on the first enum value would be indistinguishible from null. Maybe it would've been a good idea to start counting the ordinals for enums at 1. However it hasn't been defined like that, and...
lock(new object()) — Cargo cult or some crazy “language special case”?
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edited Aug 20 '12 at 13:43
sehe
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Sorting dropdown alphabetically in AngularJS
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answered Sep 7 '12 at 3:02
GloopyGloopy
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Cannot use ref or out parameter in lambda expressions
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edited Apr 27 '16 at 9:30
silkfire
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How to convert a selection to lowercase or uppercase in Sublime Text
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801
From the Sublime Text docs for Windows/Linux:
Keypress Command
Ctrl + K, Ctrl + U ...
Cannot pass null argument when using type hinting
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PHP 7.1 or newer (released 2nd December 2016)
You can explicitly declare a variable to be null with this syntax
function foo(?Type $t) {
}
this will result in
$this->foo(new Type()); // ok
$this->foo(null); // ok
$this->foo(); // error
So, if you wan...
Converting an array of objects to ActiveRecord::Relation
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edited Dec 2 '14 at 0:04
answered Jun 26 '13 at 23:29
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Linq to Objects: does GroupBy preserve order of elements?
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answered Sep 21 '09 at 1:25
Konstantin SpirinKonstantin Spirin
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How to make Sequelize use singular table names
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answered Apr 20 '14 at 20:25
Luis Carlos ChavarríaLuis Carlos Chavarría
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How can I extract all values from a dictionary in Python?
I have a dictionary d = {1:-0.3246, 2:-0.9185, 3:-3985, ...} .
11 Answers
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