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Combine two columns of text in pandas dataframe
I have a 20 x 4000 dataframe in Python using pandas. Two of these columns are named Year and quarter . I'd like to create a variable called period that makes Year = 2000 and quarter= q2 into 2000q2 .
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What would cause an algorithm to have O(log log n) complexity?
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O(log log n) terms can show up in a variety of different places, but there are typically two main routes that will arrive at this runtime.
Shrinking by a Square Root
As mentioned in the answer to the linked question, a common way for an algorithm to have t...
Difference between console.log() and console.debug()?
Google has not been helpful for me, since searching for "console.debug" just brings up a bunch of pages that have the words "console" and "debug" on them.
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Get everything after the dash in a string in javascript
What would be the cleanest way of doing this that would work in both IE and firefox.
9 Answers
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Python vs Cpython
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So what is CPython?
CPython is the original Python implementation. It is the implementation you download from Python.org. People call it CPython to distinguish it from other, later, Python implementations, and to distinguish the implementation of the language engi...
Delete branches in Bitbucket
I've created lots of branches in one of our repositories. Those branches are for testing before it will be pulled to the master. Now I see lots of them on the list and they we will never use it again. How to delete those branches directly to Bitbucket?
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Difference between string object and string literal [duplicate]
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When you use a string literal the string can be interned, but when you use new String("...") you get a new string object.
In this example both string literals refer the same object:
String a = "abc";
String b = "abc";
System.out.println(a =...
Check variable equality against a list of values
I'm checking a variable, say foo , for equality to a number of values. For example,
13 Answers
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How to change Git log date formats
I am trying to display the last commit within Git, but I need the date in a special format.
12 Answers
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Generator Expressions vs. List Comprehension
... you use generator expressions and when should you use list comprehensions in Python?
9 Answers
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