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How do I write good/correct package __init__.py files

...-- if "importing the package" means getting all sort of classes, functions etc defined directly as part of the package, then I would lexically copy the contents of blah.py into the package's __init__.py instead and remove blah.py (the multiplication of source files does no good here). If you do ins...
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If vs. Switch Speed

...tch" like statements internally that have a mix of ranges, single targets, etc -- and they can (and do) do this for both switch and if..else statements. Anyhoo, an extension to Konrad's answer is that the compiler may generate a jump table, but that's not necessarily guaranteed (nor desirable). Fo...
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Objective-C implicit conversion loses integer precision 'NSUInteger' (aka 'unsigned long') to 'int'

...canf : NO" Explanation : [How it works] Check calls to printf and scanf, etc., to make sure that the arguments supplied have types appropriate to the format string specified, and that the conversions specified in the format string make sense. Hope it work Other warning objective c implicit con...
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Asynctask vs Thread in android

...bytes may take a long time, when the server is busy, unreachable (timeout) etc. A fix could be to use AsyncTask with own scheduler. – xmedeko Jun 17 '16 at 7:55 ...
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How to get the current date/time in Java [duplicate]

...te / time in a form that allows you to access the components (year, month, etc) numerically, you could use one of the following: new Date() gives you a Date object initialized with the current date / time. The problem is that the Date API methods are mostly flawed ... and deprecated. Calendar.get...
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In Python, when should I use a function instead of a method?

...bject like a person. Attributes are the person's name, height, shoe size, etc. Methods and functions are operations that the person can perform. If the operation could be done by just any ol' person, without requiring anything unique to this one specific person (and without changing anything on t...
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setuptools: package data folder location

...ike include a 'src' subdir inside my package dir without breaking imports, etc – Jonathan Hartley Mar 25 '11 at 9:43 ...
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When to use os.name, sys.platform, or platform.system?

...m. Use sys.platform to check whether it's a linux, cygwin, darwin, atheos, etc. Use platform.system() if you don't believe the other sources. share | improve this answer | f...
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Is it possible to roll back CREATE TABLE and ALTER TABLE statements in major SQL databases?

...has transactional DDL for most database objects (certainly tables, indices etc but not databases, users). However practically any DDL will get an ACCESS EXCLUSIVE lock on the target object, making it completely inaccessible until the DDL transaction finishes. Also, not all situations are quite handl...
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Django connection to PostgreSQL: “Peer authentication failed”

... I fixed this by editing the bottom of /etc/postgres/9.1/main/pg_hba.conf to be (changing md5 to trust; NOTE this means there will be no database password, which may not be what you want) # TYPE DATABASE USER CIDR-ADDRESS METHOD # "local" is f...