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import module from string variable

I'm working on a documentation (personal) for nested matplotlib (MPL) library, which differs from MPL own provided, by interested submodule packages. I'm writing Python script which I hope will automate document generation from future MPL releases. I selected interested submodules/packages and wan...
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Run function from the command line

... For some reason, this didn't work for me, while replacing print foo.hello() with print(foo.hello()) did. I don't have the python knowledge to explain why this is, so if someone else could explain what can be going on, that wo...
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Split Python Flask app into multiple files

...s" If this is an option, you might consider using different URL prefixes for the different APIs/Blueprints in order to cleanly separate them. This can be done with a slight modification to the above register_blueprint call: app.register_blueprint(account_api, url_prefix='/accounts') For further...
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Explaining Python's '__enter__' and '__exit__'

... @Grief : For 2 reasons, In my opinion, 1) i won't be able to call other methods on self object as explained here : stackoverflow.com/questions/38281853/… 2) self.XYZ is just part of self object and returning handle only to just tha...
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Save classifier to disk in scikit-learn

... 0.9526989426822482 Edit: in Python 3.8+ it's now possible to use pickle for efficient pickling of object with large numerical arrays as attributes if you use pickle protocol 5 (which is not the default). share | ...
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Stop Mongoose from creating _id property for sub-document array items

If you have subdocument arrays, Mongoose automatically creates ids for each one. Example: 6 Answers ...
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__attribute__ - C/C++ - 清泛网 - 专注C/C++及内核技术

...好的方式。下面介绍几个常见的属性参数。 __attribute__ format 该__attribute__属性可以给被声明的函数加上类似printf或者scanf的特征,它可以使编译器检查函数声明和函数实际调用参数之间的格式化字符串是否匹配。该功能十分有...
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Add a prefix to all Flask routes

...TION_ROOT"] = "/abc/123" @app.route("/") def index(): return "The URL for this page is {}".format(url_for("index")) # Will return "The URL for this page is /abc/123/" Setting the APPLICATION_ROOT config value simply limit Flask's session cookie to that URL prefix. Everything else will be au...
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What is the difference between _tmain() and main() in C++?

...h, if Unicode is enabled, is compiled as wmain, and otherwise as main. As for the second part of your question, the first part of the puzzle is that your main function is wrong. wmain should take a wchar_t argument, not char. Since the compiler doesn't enforce this for the main function, you get a ...
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String concatenation vs. string substitution in Python

...itution eludes me. As the string concatenation has seen large boosts in performance, is this (becoming more) a stylistic decision rather than a practical one? ...