大约有 46,000 项符合查询结果（耗时：0.0502秒） [XML]
Python Infinity - Any caveats?
So Python has positive and negative infinity:
5 Answers
5
...
What regex will match every character except comma ',' or semi-colon ';'?
Is it possible to define a regex which will match every character except a certain defined character or set of characters?
...
Expand a random range from 1–5 to 1–7
Given a function which produces a random integer in the range 1 to 5, write a function which produces a random integer in the range 1 to 7.
...
How to write the Fibonacci Sequence?
I had originally coded the program wrongly. Instead of returning the Fibonacci numbers between a range (ie. startNumber 1, endNumber 20 should = only those numbers between 1 & 20), I have written for the program to display all Fibonacci numbers between a range (ie. startNumber 1, endNumber 20 displa...
Convert a list of data frames into one data frame
I have code that at one place ends up with a list of data frames which I really want to convert to a single big data frame.
...
Floating point vs integer calculations on modern hardware
I am doing some performance critical work in C++, and we are currently using integer calculations for problems that are inherently floating point because "its faster". This causes a whole lot of annoying problems and adds a lot of annoying code.
...
Why does (0 < 5 < 3) return true?
I was playing around in jsfiddle.net and I'm curious as to why this returns true?
14 Answers
...
C++ performance challenge: integer to std::string conversion
Can anyone beat the performance of my integer to std::string code, linked below?
13 Answers
...
Getting key with maximum value in dictionary?
I have a dictionary : keys are strings, values are integers.
25 Answers
25
...
Common xlabel/ylabel for matplotlib subplots
I have the following plot:
7 Answers
7
...