大约有 30,000 项符合查询结果（耗时：0.0279秒） [XML]
C++ performance vs. Java/C#
...ter because the JIT compiler -- a compiler that compiles your IL the first time it's executed -- can make optimizations that a C++ compiled program cannot because it can query the machine. It can determine if the machine is Intel or AMD; Pentium 4, Core Solo, or Core Duo; or if supports SSE4, etc.
...
How do I replace multiple spaces with a single space in C#?
...have copy and paste that and it works. I really do not like REgex but this time it saves my life.
– Pokus
Oct 15 '08 at 22:22
9
...
Batch script loop
I need to execute a command 100-200 times, and so far my research indicates that I would either have to copy/paste 100 copies of this command, OR use a for loop, but the for loop expects a list of items, hence I would need 200 files to operate on, or a list of 200 items, defeating the point.
...
Using Git, how could I search for a string across all branches?
...ommand gave the error you mentioned! But warning, this can take VERY long time for a large repo with a long history.
– lacostenycoder
Feb 28 '18 at 16:29
...
MyISAM versus InnoDB [closed]
...The reads can be dirty (e.g. I don't need 100% accurate information at the time of read).
The task in question will be doing over 1 million database transactions an hour.
...
How to replace strings containing slashes with sed?
...lps. I have been finding I need to put in lots and lots of backslashes sometimes...and it gets really confusing. eg -e "s/'/\\\\\\\&/g" I think the text is wrong, though: "Which would replace \ with foo" - should be "Which would replace / with foo", no?
– Max Waterman
...
Android studio Gradle build speed up
...
Definitely makes a difference: How To… Speed up Gradle build time
Just create a file named gradle.properties in the following directory:
/home/<username>/.gradle/ (Linux)
/Users/<username>/.gradle/ (Mac)
C:\Users\<username>\.gradle (Windows)
Add this line to the f...
How can we match a^n b^n with Java regex?
...nd in our setup we can always match it again (e.g. if we captured bbb last time, we're guaranteed that there will still be bbb, but there may or may not be bbbb this time).
Lesson: Beware of backtracking. The regex engine will do as much backtracking as you allow until the given pattern matches. Thi...
Creating a daemon in Linux
...LD, SIG_IGN);
signal(SIGHUP, SIG_IGN);
/* Fork off for the second time*/
pid = fork();
/* An error occurred */
if (pid < 0)
exit(EXIT_FAILURE);
/* Success: Let the parent terminate */
if (pid > 0)
exit(EXIT_SUCCESS);
/* Set new file permissio...
Do zombies exist … in .NET?
... excel using a backgroundworker i didnt released all the resources all the time (because i just skipped debugging etc). in the taskmanager i saw afterwards about 50 excel processes. did i create zombieexcelprocesses?
– Stefan
Nov 19 '13 at 11:18
...