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How to unzip a list of tuples into individual lists? [duplicate]
...re I want to unzip this list into two independent lists. I'm looking for some standardized operation in Python.
2 Answers
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How to dismiss ViewController in Swift?
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What's the fastest way to merge/join data.frames in R?
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The match approach works when there is a unique key in the second data frame for each key value in the first. If there are duplicates in the second data frame then the match and merge approaches are not the same. Match is, of course, faster since it is not doing as much. In particular it never lo...
How do I get the last day of a month?
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The last day of the month you get like this, which returns 31:
DateTime.DaysInMonth(1980, 08);
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Replacement for Google Code Search? [closed]
Google Code Search has been incredibly valuable to me as a developer - I use it a couple times a week to see how other developers have used (usually poorly documented) APIs. It's also convenient to see the internals of some of those APIs, or to find which API corresponds to the functionality you wa...
Why does `True == False is False` evaluate to False? [duplicate]
I get some rather unexpected behavior on an expression that works with == but not with is :
4 Answers
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Add a new item to a dictionary in Python [duplicate]
... Sorry for the thread necro, but is there any reason to prefer one method over the other when adding one item?
– Warrick
Feb 26 '13 at 14:01
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Explain “claims-based authentication” to a 5-year-old
...nformation provided. My (the) go-to example is at a bar. Imagine for a moment that you want to get a beer at the bar. In theory the bartender should ask you for proof of age. How do you prove it? Well, one option is to have the bartender cut you in half and count the number of rings, but there cou...
Converting integer to string in Python
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>>> str(10)
'10'
>>> int('10')
10
Links to the documentation:
int()
str()
Conversion to a string is done with the builtin str() function, which basically calls the __str__() method of its parameter.
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