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UnboundLocalError on local variable when reassigned after first use
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edited Nov 25 '19 at 20:00
376
2522 bronze badges
answered Dec 16 '08 at 3:12
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Is there any significant difference between using if/else and switch-case in C#?
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About ten I think. 20 to be on the safe side. And btw, my anger is not you, but on people upvoting and accepting.
– ima
Dec 28 '08 at 8:15
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PHP Regex to check date is in YYYY-MM-DD format
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Try this.
$date="2012-09-12";
if (preg_match("/^[0-9]{4}-(0[1-9]|1[0-2])-(0[1-9]|[1-2][0-9]|3[0-1])$/",$date)) {
return true;
} else {
return false;
}
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My Understanding of HTTP Polling, Long Polling, HTTP Streaming and WebSockets
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edited Sep 26 '12 at 20:10
leggetter
14.3k11 gold badge4747 silver badges5858 bronze badges
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Scalar vs. primitive data type - are they the same thing?
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208
I don't think they're interchangeable. They are frequently similar, but the difference does e...
Importing a Swift protocol in Objective-C class
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@objc doesn't always work. When conforming to a protocol sometimes it doesn't work when adding the protocol on the @interface in the .h fil...
Using Gulp to Concatenate and Uglify files
...orward design.
– Faito
Jun 3 '16 at 20:34
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Visual Studio Post Build Event - Copy to Relative Directory Location
...ckslash, since $(SolutionDir) includes a trailing backslash (at least in VS2012)
– icy
Sep 12 '14 at 14:19
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MySQL: multiple tables or one table with many columns?
...e my own benchmarking on it, but this might be of use to you: arangodb.com/2018/02/…
– moinhaque
Jun 28 '19 at 21:15
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Capture screenshot of active window?
...Window).Handle; instead
– stijn
Mar 20 '15 at 16:44
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