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Check if an element contains a class in JavaScript?
...:
element.classList.contains(class);
This works on all current browsers and there are polyfills to support older browsers too.
Alternatively, if you work with older browsers and don't want to use polyfills to fix them, using indexOf is correct, but you have to tweak it a little:
function has...
sed command with -i option failing on Mac, but works on Linux
I've successfully used the following sed command to search/replace text in Linux:
12 Answers
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List goals/targets in GNU make that contain variables in their definition
...at gnu make can be convinced to spit out a list of targets after it has expanded these variables?
16 Answers
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How to get the size of a JavaScript object?
...e re-factored the code in my original answer. I have removed the recursion and removed the assumed existence overhead.
function roughSizeOfObject( object ) {
var objectList = [];
var stack = [ object ];
var bytes = 0;
while ( stack.length ) {
var value = stack.pop();
...
Where is JAVA_HOME on macOS Mojave (10.14) to Lion (10.7)?
...s probably the least useful thing... i always have multiple windows opened and arranged on screen so i can see multiple things at once... usually a different layout on every space.
– prodigitalson
Jul 6 '11 at 15:38
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boundingRectWithSize for NSAttributedString returning wrong size
...ng, but the boundingRectWithSize call is not respecting the size I pass in and is returning a rect with a single line height as opposed to a large height (it is a long string). I have experimented by passing in a very large value for the height and also 0 as in the code below, but the rect returned ...
Python argparse: Make at least one argument required
...
Dang, I like that vars. I just did .__dict__ and felt dumb before.
– Theo Belaire
Feb 13 '14 at 18:27
1
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App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
...wVersion)
This event fires when the database is downgraded. The previous and new version numbers are provided. Use this event to modify the database as required by the version change.
DatabaseOpened()
当数据库打开时，会触发此事件。
DatabaseUpgrade(oldVersion,newVersion)
This...
SQL Server: Examples of PIVOTing String data
... @Silmaril89 assume that 2nd column name in question is 'data' and 1st column is 'Action'
– Iman
Aug 30 '12 at 18:20
1
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Difference of Maven JAXB plugins
...-plugin,
the development is active. Finally,
I'm one of the authors :) and I'd say
we keep in touch with JAXB developers
and users and react to the latests
features/requests.
And indeed, the plugin #2 isn't very active (dead?). And because I've always been happy with #1, I've never used ...