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How to kill a child process after a given timeout in Bash?
...s after a delay. I think this is almost the same as Dan's extended answer (https://stackoverflow.com/a/5161274/1351983), except the timeout shell will not be killed if it has already ended.
After this program has ended, there will still be a few lingering "sleep" processes running, but they should ...
How to make Git “forget” about a file that was tracked but is now in .gitignore?
...d for performance to prevent git to check status of big tracked files. See https://stackoverflow.com/a/13631525/717372 for more details...
git update-index --skip-worktree <file>
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What is the purpose of base 64 encoding and why it used in HTTP Basic Authentication?
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Build android release apk on Phonegap 3.x CLI
...ndroid/build/outputs/apk/
Sign and align the APK using the instructions at https://developer.android.com/studio/publish/app-signing.html#signing-manuallyAt the end of this step the APK which you get can be uploaded to the Play Store.
Note: As a newbie or a beginner, the last step may be a bit conf...
Using print statements only to debug
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Programmatically change log level in Log4j2
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I found a good answer here: https://garygregory.wordpress.com/2016/01/11/changing-log-levels-in-log4j2/
You can use org.apache.logging.log4j.core.config.Configurator to set the level for a specific logger.
Logger logger = LogManager.getLogger(Test.cla...
Android set height and width of Custom view programmatically
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How to prevent Node.js from exiting while waiting for a callback?
...nction panic(error)
{
console.error(error);
process.exit(1);
}
// https://stackoverflow.com/a/46916601/1478566
main().catch(panic).finally(clearInterval.bind(null, setInterval(a=>a, 1E9)));
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In a Django form, how do I make a field readonly (or disabled) so that it cannot be edited?
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Django 1.9 added the Field.disabled attribute: https://docs.djangoproject.com/en/stable/ref/forms/fields/#disabled
The disabled boolean argument, when set to True, disables a form field using the disabled HTML attribute so that it won’t be editable by users. Even if...
Multiple variables in a 'with' statement?
...xError: invalid syntax
When will this be fixed?
This issue is tracked in https://bugs.python.org/issue12782.
Recently, Python announced in PEP 617 that they'll be replacing the current parser with a new one. Because Python's current parser is LL(1), it cannot distinguish between "multiple context ...