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`if __name__ == '__main__'` equivalent in Ruby

...m the Ruby I've seen out in the wild (granted, not a ton), this is not a standard Ruby design pattern. Modules and scripts are supposed to stay separate, so I wouldn't be surprised if there isn't really a good, clean way of doing this. EDIT: Found it. if __FILE__ == $0 foo() bar() end Bu...
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Convert a list of characters into a string

... This works in many popular languages like JavaScript and Ruby, why not in Python? >>> ['a', 'b', 'c'].join('') Traceback (most recent call last): File "<stdin>", line 1, in <module> AttributeError: 'list' object has no attribute 'join' Strange enough,...
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Why is sed not recognizing \t as a tab?

... Not all versions of sed understand \t. Just insert a literal tab instead (press Ctrl-V then Tab). share | improve this answer | fo...
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Why return NotImplemented instead of raising NotImplementedError

... It's because __lt__() and related comparison methods are quite commonly used indirectly in list sorts and such. Sometimes the algorithm will choose to try another way or pick a default winner. Raising an exception would break out of the sort unles...
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Read a zipped file as a pandas DataFrame

I'm trying to unzip a csv file and pass it into pandas so I can work on the file. The code I have tried so far is: 5 Ans...
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How to avoid merge-commit hell on GitHub/BitBucket

..., but you may not need that if you're keeping things as simple as possible and want to preserve all of your branch history on a merge. Use the --ff-only Flag Aside from rebasing, the use of the --ff-only flag will ensure that only fast-forward commits are allowed. A commit will not be made if it w...
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How to migrate GIT repository from one server to a new one

...he old one git remote rm origin After that you can do what bdonlan said and edit the.git/config file to change the new_repo_name to origin. If you don't remove the origin (original remote repository), you can simply just push changes to the new repo with git push new_repo_name master ...
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Ant: How to execute a command for each file in directory?

I want to execute a command from an Ant buildfile, for each file in a directory. I am looking for a platform-independent solution. ...
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SQL Server equivalent to MySQL enum data type?

... Why not use a table that defines valid values, and then use a foreign key constraint instead? – Elaskanator Dec 5 '18 at 17:04 1 ...
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How to get file creation & modification date/times in Python?

...on date in a cross-platform way is easy - just call os.path.getmtime(path) and you'll get the Unix timestamp of when the file at path was last modified. Getting file creation dates, on the other hand, is fiddly and platform-dependent, differing even between the three big OSes: On Windows, a file'...