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Flattening a shallow list in Python [duplicate]

...st of iterables with a list comprehension, or failing that, what would you all consider to be the best way to flatten a shallow list like this, balancing performance and readability? ...
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Multiple glibc libraries on a single host

...d to know that glibc consists of many pieces (200+ shared libraries) which all must match. One of the pieces is ld-linux.so.2, and it must match libc.so.6, or you'll see the errors you are seeing. The absolute path to ld-linux.so.2 is hard-coded into the executable at link time, and can not be easi...
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Python function overloading

... What you are asking for is called multiple dispatch. See Julia language examples which demonstrates different types of dispatches. However, before looking at that, we'll first tackle why overloading is not really what you want in python. Why Not Overl...
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What do commas and spaces in multiple classes mean in CSS?

..._12 .grid_6, .container_16 .grid_8 { width: 460px; } That says "make all .grid_6's within .container_12's and all .grid_8's within .container_16's 460 pixels wide." So both of the following will render the same: <div class="container_12"> <div class="grid_6">460px Wide</div&g...
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Using os.walk() to recursively traverse directories in Python

I want to navigate from the root directory to all other directories within and print the same. 13 Answers ...
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What integer hash function are good that accepts an integer hash key?

...mple) and has no common factors with it. This way the hash function covers all your hash space uniformly. Edit: The biggest disadvantage of this hash function is that it preserves divisibility, so if your integers are all divisible by 2 or by 4 (which is not uncommon), their hashes will be too. Thi...
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Pass data to layout that are common to all pages

...website which have a layout page. However this layout page have data which all pages model must provide such page title, page name and the location where we actually are for an HTML helper I did which perform some action. Also each page have their own view models properties. ...
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How should I log while using multiprocessing in Python?

...that its log goes to a different file descriptor (to disk or to pipe.) Ideally, all log entries should be timestamped. Your controller process can then do one of the following: If using disk files: Coalesce the log files at the end of the run, sorted by timestamp If using pipes (recommended): C...
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What is the formal difference in Scala between braces and parentheses, and when should they be used?

...ut this, but I gave up in the end, as the rules are somewhat diffuse. Basically, you’ll have to get the hang of it. Perhaps it is best to concentrate on where curly braces and parenthesis can be used interchangeably: when passing parameters to method calls. You may replace parenthesis with curly b...
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Get name of current script in Python

...hen used in the main module, this is the name of the script that was originally invoked. If you want to omit the directory part (which might be present), you can use os.path.basename(__file__). share | ...