大约有 4,500 项符合查询结果(耗时:0.0223秒) [XML]

https://stackoverflow.com/ques... 

How do I trim leading/trailing whitespace in a standard way?

Is there a clean, preferably standard method of trimming leading and trailing whitespace from a string in C? I'd roll my own, but I would think this is a common problem with an equally common solution. ...
https://stackoverflow.com/ques... 

What is the difference between char s[] and char *s?

In C, one can use a string literal in a declaration like this: 13 Answers 13 ...
https://stackoverflow.com/ques... 

Cost of len() function

What is the cost of len() function for Python built-ins? (list/tuple/string/dictionary) 5 Answers ...
https://stackoverflow.com/ques... 

How to convert list of key-value tuples into dictionary?

I have a list that looks like: 7 Answers 7 ...
https://stackoverflow.com/ques... 

Fastest way to find second (third…) highest/lowest value in vector or column

R offers max and min, but I do not see a really fast way to find another value in the order, apart from sorting the whole vector and then picking a value x from this vector. ...
https://stackoverflow.com/ques... 

Longest line in a file

I'm looking for a simple way to find the length of the longest line in a file. Ideally, it would be a simple bash shell command instead of a script. ...
https://stackoverflow.com/ques... 

Calculating arithmetic mean (one type of average) in Python

Is there a built-in or standard library method in Python to calculate the arithmetic mean (one type of average) of a list of numbers? ...
https://stackoverflow.com/ques... 

Function to clear the console in R and RStudio

I am wondering if there is a function to clear the console in R and, in particular, RStudio I am looking for a function that I can type into the console, and not a keyboard shortcut. ...
https://stackoverflow.com/ques... 

Javascript : natural sort of alphanumerical strings

I'm looking for the easiest way to sort an array that consists of numbers and text, and a combination of these. 7 Answers ...
https://stackoverflow.com/ques... 

How can I count all the lines of code in a directory recursively?

We've got a PHP application and want to count all the lines of code under a specific directory and its subdirectories. We don't need to ignore comments, as we're just trying to get a rough idea. ...