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How to check if current thread is not main thread
...Thread().equals( Looper.getMainLooper().getThread() )
Or, if the runtime platform is API level 23 (Marshmallow 6.0) or higher:
Looper.getMainLooper().isCurrentThread()
See the Looper API. Note that calling Looper.getMainLooper() involves synchronization (see the source). You might want to avo...
How to run a python script from IDLE interactive shell?
...he Open command from the File menu (this may vary a bit depending on which platform you are running) to load your script file into an IDLE editor window and then use the Run -> Run Module command (shortcut F5).
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Catch paste input
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For cross platform compatibility, it should handle oninput and onpropertychange events:
$ (something).bind ("input propertychange", function (e) {
// check for paste as in example above and
// do something
})
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How to check 'undefined' value in jQuery
...d, since JavaScript has a typeof operator, which is simple, fast and cross-platform:
if (typeof value === "undefined") {
// ...
}
It returns a string indicating the type of the variable or other unevaluated operand. The main advantage of this method, compared to if (value === undefined) { ......
How to drop a table if it exists?
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The ANSI SQL/cross-platform way is to use the INFORMATION_SCHEMA, which was specifically designed to query meta data about objects within SQL databases.
if exists (select * from INFORMATION_SCHEMA.TABLES where TABLE_NAME = 'Scores' AND TABLE_S...
How to select multiple files with ?
...obile, I guess because it's harder to implement correctly depending on the platform and version.
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Javascript how to split newline
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You should parse newlines regardless of the platform (operation system)
This split is universal with regular expressions. You may consider using this:
var ks = $('#keywords').val().split(/\r?\n/);
E.g.
"a\nb\r\nc\r\nlala".split(/\r?\n/) // ["a", "b", "c", "lala"]
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Gradle store on local file system
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On Mac, Linux and Windows i.e. on all 3 of the major platforms, Gradle stores dependencies at:
~/.gradle/caches/modules-2/files-2.1
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How can I check the extension of a file?
...g .lower() on filenames if for no other reason than to make your code more platform independent. (linux is case sensistive, .lower() on a filename will surely corrupt your logic eventually ...or worse, an important file!)
Why not use re? (Although to be even more robust, you should check the magic...
Fastest way to convert JavaScript NodeList to Array?
...hem here:
Chrome 6:
Firefox 3.6:
Firefox 4.0b2:
Safari 5:
IE9 Platform Preview 3:
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