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Fastest way to check a string contain another substring in JavaScript?
... way faster with regular expressions.
Update 2018:
Just to save people from running the tests themselves, here are the current results for most common browsers, the percentages indicate performance increase over the next fastest result (which varies between browsers):
Chrome: indexOf (~98% fast...
How do I move the turtle in LOGO? [closed]
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NODRAW [ND] - Enter text mode with clear screen
NOWRAP - Prevent drawings from wrapping around screen
PENCOLOR [PC] - Change pen color
PENDOWN [PD] - Turtle leaves trail
PENUP [PU] - Turtle ceases to leave trail
RIGHT ## [RT] - Turn turtle right
SETHEADING [SETH] - Set turtle heading, e.g. SETH 180...
PHP validation/regex for URL
...d be cleaned up but since it worked. I've more or less just copied it over from project to project.
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How do lexical closures work?
...f you call func with a second parameter this will overwrite the original i from the definition. :-(
– Pascal
Mar 28 '19 at 16:05
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ASP.NET MVC - Attaching an entity of type 'MODELNAME' failed because another entity of the same type
...h a custom join table in a disconnected app. Even with the entity grabbed from the database, I was getting referential errors, etc. I was using "context.Entry(score).State = System.Data.Entity.EntityState.Modified;" but this finally worked! Thank you!!
– firecape
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What characters are forbidden in Windows and Linux directory names?
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The key phrase from the MSDN link is "[and a]ny other character that the target file system does not allow". There may be different filesystems on Windows. Some might allow Unicode, others might not. In general, the only safe way to val...
PHP ORMs: Doctrine vs. Propel
...JoinFoobar($c);
// Doctrine
$items = Doctrine_Query::create()
->from('Example e')
->leftJoin('e.Foobar')
->where('e.id = ?', 20)
->execute();
?>
(Doctrine's implementation is much more intuitive to me).
Also, I really prefer the way you manage relations...
public static const in TypeScript
... export const BOOK_SHELF_NONE: string = 'NONE';
}
Then you can import it from anywhere else:
import {Library} from './Library';
console.log(Library.BOOK_SHELF_NONE);
If you need a class there as well include it inside the namespace: export class Book {...}
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What's the standard way to work with dates and times in Scala? Should I use Java types or there are
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From Java SE 8 onwards, users are asked to migrate to java.time (JSR-310). There are efforts on creating scala libraries wrapping java.time for scala such as scala-time. If targeting lower than SE 8 use one of the below. Als...
Get all unique values in a JavaScript array (remove duplicates)
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@JackFranzen Slower than what? The solution from Rafael? Rafaels solution do not work for mixed type arrays. For my example ['a', 1, 'a', 2, '1'] you would get ['a', 1, 2]. But this is not what I expected. BTW, much slower is very relative.
– TLin...