python - One line if-condition-assignment - Stack Overflow
Oct 24, 2011 · Now I'm thinking that I should have answered 'num1 = 10 + 10* (someBoolValue == True)' Problem defined as the 'False' condition as a no-op basically. If it needed to be a choice of …
python - Update row values where certain condition is met in pandas ...
Apr 28, 2016 · Say I have the following dataframe: What is the most efficient way to update the values of the columns feat and another_feat where the stream is number 2? Is this it? for index, row in …
python - if/else in a list comprehension - Stack Overflow
How do I convert the following for-loop containing an if/else into a list comprehension? results = [] for x in xs: results.append(f(x) if x is not None else '') It should yield '' if x is None...
Is there a "not equal" operator in Python? - Stack Overflow
Jun 16, 2012 · There are two operators in Python for the "not equal" condition - a.) != If values of the two operands are not equal, then the condition becomes true. (a != b) is true.
Does Python have a ternary conditional operator?
Dec 27, 2008 · 214 From the documentation: Conditional expressions (sometimes called a “ternary operator”) have the lowest priority of all Python operations. The expression x if C else y first …
python - How to return a subset of a list that matches a condition ...
How to return a subset of a list that matches a condition [duplicate] Asked 9 years, 10 months ago Modified 2 years, 6 months ago Viewed 101k times
python - How to merge dataframes based on an "OR" condition - Stack ...
How to merge dataframes based on an "OR" condition Asked 8 years, 3 months ago Modified 2 years, 6 months ago Viewed 27k times
python - Pandas merge by condition - Stack Overflow
Sep 7, 2021 · Pandas merge by condition Asked 4 years, 3 months ago Modified 4 years, 3 months ago Viewed 11k times
Why does Python threading.Condition() notify() require a lock?
Sep 6, 2017 · First, Python's threading implementation is based on Java's. Java's Condition.signal() documentation reads: An implementation may (and typically does) require that the current thread …
Finding the index of elements based on a condition using python list ...
In Python, you wouldn't use indexes for this at all, but just deal with the values— [value for value in a if value > 2]. Usually dealing with indexes means you're not doing something the best way. If you do …