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filter items in a python dictionary where keys contain a specific string
...w to do the following in C (and hence in C-like logic applied to python), but I'm wondering what the 'Python' way of doing it is.
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Can I get a list of files marked --assume-unchanged?
What have I marked as --assume-unchanged ? Is there any way to find out what I've tucked away using that option?
5 Answers...
How to swap keys and values in a hash
How do I swap keys and values in a Hash?
6 Answers
6
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How can I extract a good quality JPEG image from a video file with ffmpeg?
Currently I am using this command to extract the images:
2 Answers
2
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How should I escape commas and speech marks in CSV files so they work in Excel?
I'm generating a CSV file (delimited by commas rather than tabs). My users will most likely open the CSV file in Excel by double clicking it. My data may contain commas and speech marks, so I'm escaping those as follows.
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How to find the key of the largest value hash?
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This will return max hash key-value pair depending on the value of hash elements:
def largest_hash_key(hash)
hash.max_by{|k,v| v}
end
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How can I use if/else in a dictionary comprehension?
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You've already got it: A if test else B is a valid Python expression. The only problem with your dict comprehension as shown is that the place for an expression in a dict comprehension must have two expressions, separated by a ...
Access to Modified Closure (2)
This is an extension of question from Access to Modified Closure . I just want to verify if the following is actually safe enough for production use.
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What is the “__v” field in Mongoose
I'm using Mongoose version 3 with MongoDB version 2.2. I've noticed a __v field has started appearing in my MongoDB documents. Is it something to do with versioning? How is it used?
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Argparse optional positional arguments?
I have a script which is meant to be used like this:
usage: installer.py dir [-h] [-v]
3 Answers
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