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How to find all the subclasses of a class given its name?

I need a working approach of getting all classes that are inherited from a base class in Python. 10 Answers ...
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计算统计特征(正态分布)函数及实例 - C/C++ - 清泛网 - 专注C/C++及内核技术

...AX_VAR; double _ave; //double _var; double _sam_stdev; double _all_stdev; double _sum; double _sum_2; int _count; double _min_v; double _max_v; StdevInfo() : _ave(0.0) //, _var(MAX_VAR) , _sam_stdev(sqrt(MAX_VAR)) , _all_stdev(0.0) , _sum(0.0) ...
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Difference between left join and right join in SQL Server [duplicate]

... @SilapAliyev That's actually a very good question. Can anyone answer? :D – Ian Chu Te Jan 8 '16 at 2:46 21 ...
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How to load all modules in a folder?

... List all python (.py) files in the current folder and put them as __all__ variable in __init__.py from os.path import dirname, basename, isfile, join import glob modules = glob.glob(join(dirname(__file__), "*.py")) __all__ = [ ba...
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What are all the uses of an underscore in Scala?

...s taken on scala-lang.org and noticed a curious question: " Can you name all the uses of “_”? ". Can you? If yes, please do so here. Explanatory examples are appreciated. ...
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Django: Get list of model fields?

...s which (ultimately) inherits from models.Model . I want to get a list of all the fields defined for this model. For example, phone_number = CharField(max_length=20) . Basically, I want to retrieve anything that inherits from the Field class. ...
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What are the differences between NP, NP-Complete and NP-Hard?

... the technical definitions require quite some time to understand. First of all, let's remember a preliminary needed concept to understand those definitions. Decision problem: A problem with a yes or no answer. Now, let us define those complexity classes. P P is a complexity class that repres...
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What is the most efficient/elegant way to parse a flat table into a tree?

... Now that MySQL 8.0 supports recursive queries, we can say that all popular SQL databases support recursive queries in standard syntax. WITH RECURSIVE MyTree AS ( SELECT * FROM MyTable WHERE ParentId IS NULL UNION ALL SELECT m.* FROM MyTABLE AS m JOIN MyTree AS t ON m.ParentI...
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How do I write good/correct package __init__.py files

... __all__ is very good - it helps guide import statements without automatically importing modules http://docs.python.org/tutorial/modules.html#importing-from-a-package using __all__ and import * is redundant, only __all__ is nee...
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Best way to organize jQuery/JavaScript code (2013) [closed]

...not up to date. I have over 2000 lines of code in a single file, and as we all know this is bad practice, especially when i'm looking through code or adding new features. I want to better organize my code, for now and for the future. ...