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How and why does 'a'['toUpperCase']() in JavaScript work?
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toUpperCase is a standard javascript method: https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/String/toUpperCase
The reason it works like 'a'['toUpperCase']() is that the toUpperCase function is a property of the string object 'a'. You can r...
Tactics for using PHP in a high-load site
... database. The upside to this is that it is pretty easy to implement. The downside (depending on implementation) is that you lose flexibility because you're treating all caching the same with regard to cache expiration.
In the shop I work in, we use business layer caching, which means each concret...
What's the difference between “groups” and “captures” in .NET regular expressions?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Get the closest number out of an array
...ction that supports placeholders (http://ramdajs.com/0.19.1/docs/#curry or https://lodash.com/docs#curry). This gives lots of flexibility depending on what you need:
const getClosest = curry((counts, goal) => {
return counts
.reduce((prev, curr) => Math.abs(curr - goal) < Math.abs(pr...
What Xcode keyboard shortcuts do you use regularly? [closed]
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It's Control+Cmd+Up/Down on my version of Xcode (4.5.2)
– jake_hetfield
Nov 23 '12 at 11:41
3
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In Java, what does NaN mean?
...defined. Like dividing 0.0 by 0.0.
You can look here for more information: https://web.archive.org/web/20120819091816/http://www.concentric.net/~ttwang/tech/javafloat.htm
Post your program here if you need more help.
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Why check both isset() and !empty()
...et: '" . isset($s) . "'. ";
print "!empty: '" . !empty($s) . "'";
?>
https://3v4l.org/J4nBb
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How can I easily fixup a past commit?
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UPDATE: A cleaner version of the script can now be found here: https://github.com/deiwin/git-dotfiles/blob/docs/bin/git-fixup.
I've been looking for something similar. This Python script seems too complicated, though, therefore I've hammered together my own solution:
First, my git alia...
Maven: Non-resolvable parent POM
...t;
<name>internal repository</name>
<url>https://my/private/repo</url>
<layout>default</layout>
<releases>
<enabled>true</enabled>
</releases>
<snapshots>
<ena...
Code snippet or shortcut to create a constructor in Visual Studio
...Actions and Refactorings menu;
Select Generate constructor from the drop-down menu;
Pick the members you want to include as constructor parameters. You can order them using the up and down arrows. Choose OK.
The constructor is created with the specified parameters.
Generate a constructor in Vis...