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MongoDB and “joins” [duplicate]

I'm sure MongoDB doesn't officially support "joins". What does this mean? 11 Answers 1...
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Create a table without a header in Markdown

... headers multimarkdown Maruku: A popular implementation in Ruby byword: "All tables must begin with one or more rows of headers" PHP Markdown Extra "second line contains a mandatory separator line between the headers and the content" RDiscount Uses PHP Markdown Extra syntax. GitHub Flavoured Markd...
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Programmatically stop execution of python script? [duplicate]

... You could raise SystemExit(0) instead of going to all the trouble to import sys; sys.exit(0). share | improve this answer | follow | ...
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How do I recursively delete a directory and its entire contents (files + sub dirs) in PHP?

... This calls is_dir twice for each recursed directory. If the argument is a symlink, it also follows it instead of deleting the symlink, which might or might not be what you want. In any case, it's not what rm -rf does. ...
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Could not reserve enough space for object heap

... Anyone found a solution that actually work 100% of the time? This solution solves the problem temporarily but then suddenly it comes back. I've got 16GB ram and I'm tired of this sh*t. Everything was better in the old days :[ – Nilzor ...
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Received an invalid column length from the bcp client for colid 6

... Specifically, if you have any columns that are VARCHAR smaller than 4, watch out for NULL in your data getting misinterpreted as the 4char string "NULL" – CrazyPyro Feb 11 at 8:13 ...
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Does SQLAlchemy have an equivalent of Django's get_or_create?

... That's basically the way to do it, there is no shortcut readily available AFAIK. You could generalize it ofcourse: def get_or_create(session, model, defaults=None, **kwargs): instance = session.query(model).filter_by(**kwargs).firs...
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What can you do in MSIL that you cannot do in C# or VB.NET? [closed]

All code written in .NET languages compiles to MSIL, but are there specific tasks / operations that you can do only using MSIL directly? ...
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How to wait for a BackgroundWorker to cancel?

...Async(); _resetEvent.WaitOne(); // will block until _resetEvent.Set() call made } void worker_DoWork(object sender, DoWorkEventArgs e) { while(!e.Cancel) { // do something } _resetEvent.Set(); // signal that worker is done } ...
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sbt-assembly: deduplication found error

... Actually I think we should just overwrite merge strategy for META-INF leaving old strategies for the rest, so: assemblyMergeStrategy in assembly := { case PathList("META-INF", xs @ _*) => MergeStrategy.discard\n ca...