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Check whether a value is a number in JavaScript or jQuery [duplicate]
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"!isNaN(+n) && isFinite(n)" classifies the empty string as a number
– thenickdude
Aug 29 '13 at 3:03
3
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Center content of UIScrollView when smaller
...IImageView inside a UIScrollView which I use for zooming and scrolling. If the image / content of the scroll view is bigger than the scroll view, everything works fine. However, when the image becomes smaller than the scroll view, it sticks to the top left corner of the scroll view. I would like ...
Can I set an unlimited length for maxJsonLength in web.config?
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NOTE: this answer applies only to Web services, if you are returning JSON from a Controller method, make sure you read this SO answer below as well: https://stackoverflow.com/a/7207539/1246870
The MaxJsonLength property cannot be unlimited, is an integer property that d...
Check whether variable is number or string in JavaScript
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If you're dealing with literal notation, and not constructors, you can use typeof:.
typeof "Hello World"; // string
typeof 123; // number
If you're creating numbers and strings via a constructor, such as var foo ...
Loading/Downloading image from URL on Swift
...lication, so I first tried with Objective-C and it worked, however, with Swift, I've a compilation error:
34 Answers
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How to delete a record in Django models?
...te that the first one will not call the .delete() method of the object, so if you have 'cleanup' code in that method it will not be called. Generally not an issue, but worth keeping in mind.
– Matthew Schinckel
Sep 28 '10 at 0:08
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`static` keyword inside function?
...$has_run in your example) between multiple calls.
You could use this for different purposes, for example:
function doStuff() {
static $cache = null;
if ($cache === null) {
$cache = '%heavy database stuff or something%';
}
// code using $cache
}
In this example, the if would only b...
RuntimeError on windows trying python multiprocessing
...will import (i.e. execute) the main module at start. You need to insert an if __name__ == '__main__': guard in the main module to avoid creating subprocesses recursively.
Modified testMain.py:
import parallelTestModule
if __name__ == '__main__':
extractor = parallelTestModule.ParallelExt...
How do I find out if first character of a string is a number?
In Java is there a way to find out if first character of a string is a number?
5 Answers
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How can I get the current network interface throughput statistics on Linux/UNIX? [closed]
...k throughput / bandwidth graphs for the current network utilisation on specific interfaces, such as eth0. How can I return that information at the command line on Linux/UNIX?
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