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Getting the docstring from a function

... On ipython or jupyter notebook, you can use all the above mentioned ways, but i go with my_func? or ?my_func for quick summary of both method signature and docstring. I avoid using my_func?? (as commented by @rohan) for docstring and use it only to check th...
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*.h or *.hpp for your class definitions

...ss definitions, but after reading some boost library code, I realised they all use *.hpp . I've always had an aversion to that file extension, I think mainly because I'm not used to it. ...
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unbound method f() must be called with fibo_ instance as first argument (got classobj instance inste

... OK, first of all, you don't have to get a reference to the module into a different name; you already have a reference (from the import) and you can just use it. If you want a different name just use import swineflu as f. Second, you are...
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How to write to a file in Scala?

...portance are Resource, ReadChars and WriteChars. File - File is a File (called Path) API that is based on a combination of Java 7 NIO filesystem and SBT PathFinder APIs. Path and FileSystem are the main entry points into the Scala IO File API. import scalax.io._ val output:Output = Resourc...
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How to keep the console window open in Visual C++?

...ause") or any other garbage. Changing this works. – Callat Apr 22 '16 at 16:08 Ctrl+F5 means 'Start Without Debugging'...
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Where is a complete example of logging.config.dictConfig?

... All those concise, beautiful YAML snippets in the python logging.config docs just can't be read directly. Bummer. – JimB May 17 '18 at 18:19 ...
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A semantics for Bash scripts?

...patchwork together little scripts that appear to work. However, I don't really know what's going on, and I was hoping for a more formal introduction to Bash as a programming language. For example: What is the evaluation order? what are the scoping rules? What is the typing discipline, e.g. is ever...
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What's the cleanest way of applying map() to a dictionary in Swift?

I'd like to map a function on all keys in the dictionary. I was hoping something like the following would work, but filter cannot be applied to dictionary directly. What's the cleanest way of achieving this? ...
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What is a regular expression for a MAC Address?

...at" comes from Wikipedia, not the 802.3 standards body. IEEE 802-2014 actually specifies hyphens for ordinary MAC addresses (§ 8.1 ¶ 3) and colons for the obsolescent bit-reversed notation (¶ 4). Importantly, in practice, no one observes this. We simply use one or the other, but never mix them...
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How to know if two arrays have the same values

..., i.e. ['a', 'b'] and ['a,b']. I would only recommend this technique for small throwaway scripts. – alex Mar 7 '16 at 16:23 1 ...