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How do I use installed packages in PyCharm?

...oject Settings → Project Interpreter. Then press configure interpreter, and navigate to the "Paths" tab. Press the + button in the Paths area. You can put the path to the module you'd like it to recognize. But I don't know the path.. Open the python interpreter where you can import the mod...
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How do I print a list of “Build Settings” in Xcode project?

...little out dated (it was generated with Xcode 4.1). You should run the command suggested by dunedin15. dunedin15's answer can give inaccurate results for some edge-cases, such as when debugging build settings of a static lib for an Archive build, see Slipp D. Thompson's answer for a more robust outp...
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How to implement an abstract class in ruby?

...you just call abstract_methods with the list of methods that are abstract, and when they get called by an instance of the abstract class, a NotImplementedError exception will be raised. share | impr...
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Play a Sound with Python [duplicate]

...nd file (.wav) in Python? By easiest I mean both most platform independent and requiring the least dependencies. pygame is certainly an option, but it seems overkill for just sound. ...
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How to upload, display and save images using node.js and express [closed]

I need to upload an image, and display it, as well as save it so that I don't lose it when I refresh the localhost. This needs to be done using an "Upload" button, which prompts for a file-selection. ...
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What is the difference between char, nchar, varchar, and nvarchar in SQL Server?

... Just to clear up... or sum up... nchar and nvarchar can store Unicode characters. char and varchar cannot store Unicode characters. char and nchar are fixed-length which will reserve storage space for number of characters you specify even if you don't use up all t...
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libpthread.so.0: error adding symbols: DSO missing from command line

... You should mention the library on the command line after the object files being compiled: gcc -Wstrict-prototypes -Wall -Wno-sign-compare -Wpointer-arith -Wdeclaration-after-statement -Wformat-security -Wswitch-enum -Wunused-parameter -Wstrict-aliasing -Wbad-functi...
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How to reverse a string in Go?

...w they force you to think about encodings. – György Andrasek Nov 18 '09 at 9:46 10 off-topic: wh...
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Generic type conversion FROM string

... store "properties" for another class. These properties simply have a name and a value. Ideally, what I would like is to be able to add typed properties, so that the "value" returned is always of the type that I want it to be. ...
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How to filter array in subdocument with MongoDB [duplicate]

...rray before applying the $match so that you can filter individual elements and then use $group to put it back together: db.test.aggregate([ { $match: {_id: ObjectId("512e28984815cbfcb21646a7")}}, { $unwind: '$list'}, { $match: {'list.a': {$gt: 3}}}, { $group: {_id: '$_id', list: ...