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Can modules have properties the same way that objects can?
...anybody else try this? When I put this code in one file x.py and import it from another, then calling x.y results in AttributeError: 'NoneType' object has no attribute 'c', since _M somehow has value None...
– Stephan202
May 19 '09 at 1:35
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Creating anonymous objects in php
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How's that different from going $someObj = new \stdClass()?
– JamesNZ
Mar 5 '18 at 23:15
add a comment
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How to check if a given directory exists in Ruby
...u could use Kernel#test:
test ?d, 'some directory'
it gets it's origins from https://ss64.com/bash/test.html
you will notice bash test has this flag -d to test if a directory exists
-d file True if file is a Directory. [[ -d demofile ]]
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List files with certain extensions with ls and grep
I just want to get the files from the current dir and only output .mp4 .mp3 .exe files nothing else.
So I thought I could just do this:
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Writing a pandas DataFrame to CSV file
...swer this question. The reputation requirement helps protect this question from spam and non-answer activity.
How do I edit an incorrect commit message in git ( that I've pushed )?
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The message from Linus Torvalds may answer your question:
Modify/edit old commit messages
Short answer: you can not (if pushed).
extract (Linus refers to BitKeeper as BK):
Side note, just out of historical interest: in BK you co...
How to write string literals in python without having to escape them?
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(Assuming you are not required to input the string from directly within Python code)
to get around the Issue Andrew Dalke pointed out, simply type the literal string into a text file and then use this;
input_ = '/directory_of_text_file/your_text_file.txt'
input_open = op...
The 'packages' element is not declared
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Taken from this answer.
Close your packages.config file.
Build
Warning is gone!
This is the first time I see ignoring a problem actually makes it go away...
Edit in 2020: if you are viewing this warning, consider upgrading...
How to monitor the memory usage of Node.js?
...ght in the memory usage of the current Node.js process. Here is an example from in Node v0.12.2 on a 64-bit system:
$ node --expose-gc
> process.memoryUsage(); // Initial usage
{ rss: 19853312, heapTotal: 9751808, heapUsed: 4535648 }
> gc(); // Force a GC for the baseline.
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How do I remove the Devise route to sign up?
...d to do this as well, but a thread on the devise google group dissuaded me from searching for a really clean solution.
I'll quote José Valim (the Devise maintainer) :
There isn't a straight-forward option. You can either provide a patch
or use :skip => :registerable and add only the route...