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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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Node.js Logging

...ny library which will help me to handle logging in my Node.Js application? All I want to do is, I want to write all logs into a File and also I need an options like rolling out the file after certain size or date. ...
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Environment variables for java installation

...r-unique-entries does not contain any other references to another Java installation folder. Note for Windows users on 64-bit systems: Progra~1 = 'Program Files' Progra~2 = 'Program Files(x86)' Notice that these environment variables are derived from the "root" environment variable JAVA_HOME...
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How do I get PyLint to recognize numpy members?

... I had the same issue here, even with the latest versions of all related packages (astroid 1.3.2, logilab_common 0.63.2, pylon 1.4.0). The following solution worked like a charm: I added numpy to the list of ignored modules by modifying my pylintrc file, in the [TYPECHECK] section: [...
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How do I write output in same place on the console?

... I also had to add a call to sys.stdout.flush() so the cursor didn't bounce around – scottm Feb 5 '09 at 19:40 20 ...
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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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In C, do braces act as a stack frame?

...'t have to generate code that pushes/pops anything on entry/exit (and generally, they don't). Also note that local variables may not use any stack space at all: they could be held in CPU registers or in some other auxiliary storage location, or be optimized away entirely. So, the d array, in theor...
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Preserving order with LINQ

... Actually, I think Distinct preserves original (first found) order - so {1,2,1,3,1,3,4,1,5} would be {1,2,3,4,5} – Marc Gravell♦ Oct 15 '08 at 14:33 ...
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Are the PUT, DELETE, HEAD, etc methods available in most web browsers?

...eation of a new web page resource, the updating of the existing page, or all of the mentioned outcomes. The keyword dialog, mapping to the state dialog, indicating that submitting the form is intended to close the dialog box in which the form finds itself, if any, and otherwise not subm...
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What is the difference between HTTP_HOST and SERVER_NAME in PHP?

...T is obtained from the HTTP request header and this is what the client actually used as "target host" of the request. The SERVER_NAME is defined in server config. Which one to use depends on what you need it for. You should now however realize that the one is a client-controlled value which may thus...