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Is it possible to start a shell session in a running container (without ssh)
...tainer" bash (doc)
Previously, the answer to this question was:
If you really must and you are in a debug environment, you can do this: sudo lxc-attach -n <ID>
Note that the id needs to be the full one (docker ps -notrunc).
However, I strongly recommend against this.
notice: -notrunc is de...
How to get a thread and heap dump of a Java process on Windows that's not running in a console
...he -D on the java command-line so that the heap dump is generated automatically upon an OutOfMemoryError, -XX:+HeapDumpOnOutOfMemoryError But, you can manually trigger a heap dump, also. The most common way is to use the java utility jmap.
NOTE: this utility is not available on all platforms. As ...
Clear the cache in JavaScript
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You can call window.location.reload(true) to reload the current page. It will ignore any cached items and retrieve new copies of the page, css, images, JavaScript, etc from the server. This doesn't clear the whole cache, but has the...
How to resolve “local edit, incoming delete upon update” message
...e svn st | grep ! | cut -f 7 -d' ' | xargs touch as one liner for touching all the missing files
– Tibor Blenessy
Dec 11 '13 at 16:31
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Best way to represent a fraction in Java?
...ompareTo(denominator.multiply(f.numerator));
}
/**
* Returns the smaller of this and f.
*/
public BigFraction min(BigFraction f)
{
if(f == null)
throw new IllegalArgumentException("Null argument");
return (this.compareTo(f) <= 0 ? this : f);
}
/**
* Returns t...
Can I get “&&” or “-and” to work in PowerShell?
...rt by thinking that it is just an expanded CMD or bash. It has a fundamentally different model, epecially when it comes to input, output, piping, and results. Start with a good tutorial or overview, and don't try too hard to make syntax from other shells work. You have to take it on its own terms....
Android - implementing startForeground for a service?
... notification = new NotificationCompat.Builder(this)
.setSmallIcon(R.mipmap.app_icon)
.setContentTitle("My Awesome App")
.setContentText("Doing some work...")
.setContentIntent(pendingIntent).build();
startForeground(1337, notification...
How to right align widget in horizontal linear layout Android?
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This works! But anyone can explain why? I couldn't totally understand.
– GMsoF
Jul 9 '13 at 9:00
29
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How do I set the time zone of MySQL?
...show a different datetime for existing timestamp columns as they are internally stored as UTC timestamps and externally displayed in the current MySQL timezone.
I made a cheatsheet here: Should MySQL have its timezone set to UTC?
...
Freeze screen in chrome debugger / DevTools panel for popover inspection?
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For more info, what F8 shortcut does is actually pause the debugger(script execution). And ctrl + \ also works. (cmd + \ in MacOS).
– LeOn - Han Li
May 16 '17 at 18:57
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