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Pythonic way to print list items
...List not working, you can just use the following which does the same thing and is still one line:
for p in myList: print p
For a solution that uses '\n'.join(), I prefer list comprehensions and generators over map() so I would probably use the following:
print '\n'.join(str(p) for p in myList)
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In Python, how can you load YAML mappings as OrderedDicts?
I'd like to get PyYAML 's loader to load mappings (and ordered mappings) into the Python 2.7+ OrderedDict type, instead of the vanilla dict and the list of pairs it currently uses.
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Get exception description and stack trace which caused an exception, all as a string
I've seen a lot of posts about stack trace and exceptions in Python. But haven't found what I need.
11 Answers
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Add one row to pandas DataFrame
I understand that pandas is designed to load fully populated DataFrame but I need to create an empty DataFrame then add rows, one by one .
What is the best way to do this ?
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How to check if a line is blank using regex
...e character class.
* is zero-or-more repetition of.
In multiline mode, ^ and $ also match the beginning and end of the line.
References:
regular-expressions.info/Anchors, Character Classes, and Repetition.
A non-regex alternative:
You can also check if a given string line is "blank" (i.e. ...
What is the difference between a reference type and value type in c#?
Some guy asked me this question couple of months ago and I couldn't explain it in detail. What is the difference between a reference type and a value type in C#?
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What is the apply function in Scala?
I never understood it from the contrived unmarshalling and verbing nouns ( an AddTwo class has an apply that adds two!) examples.
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Check if character is number?
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I also came up with this. Why is no one using it, and instead making complicated comparisons? Will this not work in some cases?
– user826955
Oct 9 '17 at 6:43
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nginx upload client_max_body_size issue
I'm running nginx/ruby-on-rails and I have a simple multipart form to upload files.
Everything works fine until I decide to restrict the maximum size of files I want uploaded.
To do that, I set the nginx client_max_body_size to 1m (1MB) and expect a HTTP 413 (Request Entity Too Large) status in...
When is a language considered a scripting language? [closed]
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Bytecode and type systems don't really have anything to do with it. By the above definition, if an app exposes an API to Python, it is said to use Python as its scripting language. If you build an app entirely in Python, that app us...