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How to copy a collection from one database to another in MongoDB
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At the moment there is no command in MongoDB that would do this. Please note the JIRA ticket with related feature request.
You could do something like:
db.<collection_name>.find().forEach(function(d){ db.getSiblingDB('<new_database>')['<c...
A non-blocking read on a subprocess.PIPE in Python
I'm using the subprocess module to start a subprocess and connect to its output stream (standard output). I want to be able to execute non-blocking reads on its standard output. Is there a way to make .readline non-blocking or to check if there is data on the stream before I invoke .readline ? I'...
Mockito: Trying to spy on method is calling the original method
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What if I use this method and my original one is STILL getting called? Could there be problem with parameters I pass? Here is the whole test: pastebin.com/ZieY790P send method is being called
– Evgeni Petrov
Aug...
How to style the parent element when hovering a child element?
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Well, this question is asked many times before, and the short typical answer is: It cannot be done by pure CSS. It's in the name: Cascading Style Sheets only supports styling in cascading direction, not up.
But in most circumstances where this effect is wished, like in th...
Xcode Debugger: view value of variable
... answered Jan 19 '11 at 15:15
AndriyAndriy
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What is a faster alternative to Python's http.server (or SimpleHTTPServer)?
...is a great way of serve the contents of the current directory from the command line:
13 Answers
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SQL Server Regular expressions in T-SQL
...ry written in T-SQL (no CLR, no extended SP , pure T-SQL) for SQL Server, and that should work with shared hosting?
6 Answ...
Bash variable scope
...he while loop.
Now this child process has its own copy of the environment and can't pass any
variables back to its parent (as in any unix process).
Therefore you'll need to restructure so that you're not piping into the loop.
Alternatively you could run in a function, for example, and echo the val...
How to change Git log date formats
...g "--pretty". log.date config variable
sets a default value for log command’s --date option.
--date=relative shows dates relative to the current time, e.g. "2 hours ago".
--date=local shows timestamps in user’s local timezone.
--date=iso (or --date=iso8601) shows timestamps in ISO 8601 for...
Programmatically saving image to Django ImageField
Ok, I've tried about near everything and I cannot get this to work.
17 Answers
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