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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...
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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 ...
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How do I output an ISO 8601 formatted string in JavaScript?

... There is already a function called toISOString(): var date = new Date(); date.toISOString(); //"2011-12-19T15:28:46.493Z" If, somehow, you're on a browser that doesn't support it, I've got you covered: if ( !Date.prototype.toISOString ) { ( functi...
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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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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....
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Serializing class instance to JSON

...ps() only knows how to serialize a limited set of object types by default, all built-in types. List here: https://docs.python.org/3.3/library/json.html#encoders-and-decoders One good solution would be to make your class inherit from JSONEncoder and then implement the JSONEncoder.default() function...
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How to extract the n-th elements from a list of tuples?

... @Wayne Werner: Yep. This stuff was all just passive knowledge (I don't often use it) - but it's good to be reminded now and then so you know where / what to look for... – Daren Thomas Jul 22 '10 at 13:14 ...
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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...
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Scala: write string to file in one statement

...or encoding-safe. If an exception happens in write(), close will never be called, and the file won't be closed. PrintWriter also uses the default system encoding, which is very bad for portability. And finally, this approach generates a separate class specifically for this line (however, given that ...
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How to right align widget in horizontal linear layout Android?

... This works! But anyone can explain why? I couldn't totally understand. – GMsoF Jul 9 '13 at 9:00 29 ...