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How to fix the uninitialized constant Rake::DSL problem on Heroku?
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Thank you. That fixed my problems and I didn't know what was going on. (Using the rails installer on windows and deploying to heroku, as a complete beginner.)
– Jack V.
Jun 14 '11 at 22:46
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Is it possible to figure out the parameter type and return type of a lambda?
Given a lambda, is it possible to figure out it's parameter type and return type? If yes, how?
4 Answers
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How can I use if/else in a dictionary comprehension?
...ntioning that you don't need to have an if-else condition for both the key and the value. For example, {(a if condition else b): value for key, value in dict.items()} will work.
– Jeremy Weirich
Jul 26 '16 at 19:41
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Command to remove all npm modules globally?
Is there a command to remove all global npm modules? If not, what do you suggest?
24 Answers
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Haml: Control whitespace around text
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Can you expand your answer and show to express the OP's example using these helpers (presumably succeed specifically)? To me it still seems non-obvious and a little ugly: gist.github.com/1665374
– John
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How to hide first section header in UITableView (grouped style)
...the result is that drawings are no longer aligned to pixels, causing blurs and reducing performance. Just try it in the simulator: it has an option to highlight problematic alignment.
– Codo
Nov 1 '13 at 17:02
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Get item in the list in Scala?
...List in java. I guess immutable would be fine too.
– Andriy Drozdyuk
Feb 13 '11 at 1:00
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ArrayBu...
How do I expand the output display to see more columns of a pandas DataFrame?
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Update: Pandas 0.23.4 onwards
This is not necessary, pandas autodetects the size of your terminal window if you set pd.options.display.width = 0. (For older versions see at bottom.)
pandas.set_printoptions(...) is deprecated. Instea...
How can I use map and receive an index as well in Scala?
Is there any List/Sequence built-in that behaves like map and provides the element's index as well?
8 Answers
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Copy file or directories recursively in Python
Python seems to have functions for copying files (e.g. shutil.copy ) and functions for copying directories (e.g. shutil.copytree ) but I haven't found any function that handles both. Sure, it's trivial to check whether you want to copy a file or a directory, but it seems like a strange omission.
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