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How to do relative imports in Python?

... the module were a top level module, regardless of where the module is actually located on the file system. In Python 2.6, they're adding the ability to reference modules relative to the main module. PEP 366 describes the change. Update: According to Nick Coghlan, the recommended alternative is ...
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How to compare times in Python?

... 132 You can't compare a specific point in time (such as "right now") against an unfixed, recurring ...
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Understanding NSRunLoop

... run loop directly, though there are some (networking) components that may allow you to specify which run loop they will use for I/O processing. A run loop for a given thread will wait until one or more of its input sources has some data or event, then fire the appropriate input handler(s) to proce...
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ERROR 1130 (HY000): Host '' is not allowed to connect to this MySQL server [duplicate]

...vileges: CREATE USER 'root'@'ip_address' IDENTIFIED BY 'some_pass'; GRANT ALL PRIVILEGES ON *.* TO 'root'@'ip_address'; If you see %, well then, there's another problem altogether as that is "any remote source". If however you do want any/all systems to connect via root, use the % wildcard to gra...
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Any way to properly pretty-print ordered dictionaries?

... – CHINTAN VADGAMA Sep 23 '19 at 23:32 add a comment  |  ...
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How to set up Spark on Windows?

... http://spark.apache.org/docs/latest/building-spark.html Download and install Maven, and set MAVEN_OPTS to the value specified in the guide. But if you're just playing around with Spark, and don't actually need it to run on Windows for any other reason that your own machine is running Windows, I'd...
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How to implement a binary tree?

...ice implementation. I'm just here to point out some style stuff. python usually does node is not None instead of your (node!=None). Also, you can use the __str__ function instead of the printTree method. – Jeff Mandell Oct 18 '15 at 2:30 ...
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What does “hashable” mean in Python?

...y and a set member, because these data structures use the hash value internally. All of Python’s immutable built-in objects are hashable, while no mutable containers (such as lists or dictionaries) are. Objects which are instances of user-defined classes are hashable by default; they all comp...
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Print a list in reverse order with range()?

...te: If you want to use only range to achieve the same result, you can use all its parameters. range(start, stop, step) For example, to generate a list [5,4,3,2,1,0], you can use the following: range(5, -1, -1) It may be less intuitive but as the comments mention, this is more efficient and the ...
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How can I create directories recursively? [duplicate]

... Specifically: os.makedirs(os.path.join("/home/dail", "first", "second", "third")) – mseery May 14 '11 at 22:41 ...