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What's the difference between a Python module and a Python package?
What's the difference between a Python module and a Python package?
5 Answers
5
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Default value of function parameter
...te .cpp file, and #include the header from a different .cpp file, you will be able to see the difference.
Specifically, suppose:
lib.h
int Add(int a, int b);
lib.cpp
int Add(int a, int b = 3) {
...
}
test.cpp
#include "lib.h"
int main() {
Add(4);
}
The compilation of test.cpp will...
What is this weird colon-member (“ : ”) syntax in the constructor?
...
It's a member initialization list. You should find information about it in any good C++ book.
You should, in most cases, initialize all member objects in the member initialization list (however, do note the exceptions listed at the e...
CSS Selector “(A or B) and C”?
This should be simple, but I'm having trouble finding the search terms for it.
Let's say I have this:
4 Answers
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case-insensitive list sorting, without lowercasing the result?
...ld)
In Python 2 use lower():
sorted_list = sorted(unsorted_list, key=lambda s: s.lower())
It works for both normal and unicode strings, since they both have a lower method.
In Python 2 it works for a mix of normal and unicode strings, since values of the two types can be compared with each oth...
Check if two linked lists merge. If so, where?
This question may be old, but I couldn't think of an answer.
26 Answers
26
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Convert a list of characters into a string
... empty string to join all of the strings together with the empty string in between, like so:
>>> a = ['a', 'b', 'c', 'd']
>>> ''.join(a)
'abcd'
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Why does Popen.communicate() return b'hi\n' instead of 'hi'?
...an someone explain why the result I want, "hi", is preceded with a letter 'b' and followed with a newline?
4 Answers
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Run an OLS regression with Pandas Data Frame
I have a pandas data frame and I would like to able to predict the values of column A from the values in columns B and C. Here is a toy example:
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Regex - how to match everything except a particular pattern
...cular pattern? I'm faced with a situation where I have to match an (A and ~B) pattern.
8 Answers
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