大约有 30,000 项符合查询结果（耗时：0.0327秒） [XML]
php execute a background process
...e to be able to perform such an action without the user being aware of the time it takes for the copy to complete.
18 Answe...
Repeat String - Javascript
...most concise method for returning a string repeated an arbitrary amount of times?
30 Answers
...
Concatenating two lists - difference between '+=' and extend()
...uld be worrying about, unless you're performing this operation billions of times. It is likely, however, that the bottleneck would lie some place else.
share
|
improve this answer
|
...
How to match “any character” in regular expression?
...har
\. = the actual dot character
.? = .{0,1} = match any char zero or one times
.* = .{0,} = match any char zero or more times
.+ = .{1,} = match any char one or more times
share
|
improve this an...
Write a function that returns the longest palindrome in a given string
I thought of a solution but it runs in O(n^2) time
22 Answers
22
...
__FILE__ macro shows full path
... with both source and header files, is very efficient and works on compile time in all platforms without compiler-specific extensions. This solution also preserves the relative directory structure of your project, so you know in which folder the file is in, and only relative to the root of your proj...
How to get a string after a specific substring?
... scenario), or in the lower half, upper half or last position. The fastest time is marked with [...] and <...> marks the worst.
The above table is produced by a comprehensive time trial for all three options, produced below. I ran the tests on Python 3.7.4 on a 2017 model 15" Macbook Pro with...
Regular expression for first and last name
...- ]{0,1}|[a-z]{1,2}[ -\']{1}[A-Z]{1}[a-z]{1,30}){2,5}»
Between 2 and 5 times, as many times as possible, giving back as needed (greedy) «{2,5}»
* I NEED SOME HELP HERE WITH UNDERSTANDING THE RAMIFICATIONS OF THIS NOTE *
Note: I repeated the capturing group itself. The group will capture...
What is the most efficient string concatenation method in python?
...measure rather than guessing.
You can measure different methods using the timeit module. That can tell you which is fastest, instead of random strangers on the internet making guesses.
share
|
impr...
Java multiline string
... with an array of strings.
Consider this:
String s = "It was the best of times, it was the worst of times,\n"
+ "it was the age of wisdom, it was the age of foolishness,\n"
+ "it was the epoch of belief, it was the epoch of incredulity,\n"
+ "it was the season of Light, ...