大约有 30,000 项符合查询结果（耗时：0.0376秒） [XML]
Batch Renaming of Files in a Directory
...
Wasted way too much time today trying to figure out why my "rename" command wasn't working - should've came here first! Great Pythonic one-liner!
– Devin
Jan 6 '15 at 18:41
...
Substitute multiple whitespace with single whitespace in Python [duplicate]
...r knew split with no arguments worked like this. This is also much faster, timeit.py gives me around 0.74usec for this, versus 5.75usec for regular expressions.
– Roman
Jan 16 '10 at 16:00
...
String, StringBuffer, and StringBuilder
Please tell me a real time situation to compare String , StringBuffer , and StringBuilder ?
11 Answers
...
What are the differences between Rust's `String` and `str`?
...string data (like passing strings to other threads, or building them at runtime), and use &str if you only need a view of a string.
This is identical to the relationship between a vector Vec<T> and a slice &[T], and is similar to the relationship between by-value T and by-reference &am...
How to check if a String contains any of some strings
...xes are overkill for this? If the regex is compiled once and used multiple times, and you have strings with only c in them or c near the beginning and a, b near the end, the regex would be far more efficient.
– bruceboughton
Aug 19 '10 at 8:55
...
How to get “wc -l” to print just the number of lines without file name?
...
I don't like cat - concatenation consumes to much time.
– PoGibas
Apr 19 '12 at 23:43
9
...
How to convert all text to lowercase in Vim
...is way because I am using this construct (:%s/[pattern]/replace/g) all the time so it's more natural.
share
|
improve this answer
|
follow
|
...
When to use StringBuilder in Java [duplicate]
...to consider which compilers your source will use before relying on compile time optimizations.
share
|
improve this answer
|
follow
|
...
Remove DEFINER clause from MySQL Dumps
...
FYI --- although it was not the case at the time of this answer, MySQL > 5.6 now ships with a mysqldump(1) that supports "--skip-definer" as an option: dev.mysql.com/doc/refman/5.7/en/…
– Kevin_Kinsey
Aug 14 '18 at 20:53
...
How do I find the caller of a method using stacktrace or reflection?
... seems to be a lot slower than creating a new Exception() (approximately 3 times slower). But as already noted, you shouldn't be using code like this in a performance-critical area anyway. ;) A 1.6 JVM only seems to be ~10% slower and, as Software Monkey said, it expresses the intent better than th...