大约有 30,000 项符合查询结果（耗时：0.0359秒） [XML]
Why malloc+memset is slower than calloc?
... out there that allocate memory but don't use the memory right away. Some times memory is allocated but never used. The kernel knows this and is lazy. When you allocate new memory, the kernel doesn't touch the page table at all and doesn't give any RAM to your process. Instead, it finds some add...
JSP tricks to make templating easier?
...
+40million. Thank you for explaining it 50,000 times better than any crappy tutorial I've found. Coming from the Rails world and missing ERB, this is exactly what I need. You should write a blog.
– cbmeeks
Apr 8 '11 at 13:35
...
How Python web frameworks, WSGI and CGI fit together
... can run WSGI over CGI as Pep333 demonstrates as an example. However every time there is a request a new Python interpreter is started and the whole context (database connections, etc.) needs to be build which all take time.
The best if you want to run WSGI would be if your host would install mod_w...
Test if characters are in a string
...
@GregSnow -- Tried system.time(a <- grepl("abc", vec)) and system.time(a <- grepl("abc", vec, fixed=TRUE)), and fixed=TRUE is still, if anything slightly slower. The difference isn't appreciable with these short strings, but fixed=TRUE still doe...
Regex exactly n OR m times
...
There is no single quantifier that means "exactly m or n times". The way you are doing it is fine.
An alternative is:
X{m}(X{k})?
where m < n and k is the value of n-m.
share
|
...
Looking to understand the iOS UIViewController lifecycle
...
All these commands are called automatically at the appropriate times by iOS when you load/present/hide the view controller. It's important to note that these methods are attached to UIViewController and not to UIViews themselves. You won't get any of these features just using a UIView.
...
Search code inside a Github project
... GitHub properties", and I did mention this Stack Overflow question at the time ;) )
Here is an illustration of a grep within the ruby code: it will looks for repos and users, but also for what I wanted to search in the first place: the code!
Initial answer and illustration of the former issue...
A Java API to generate Java source files [closed]
.... I don't think it's API is exactly like the one you described, but every time I've heard of a project doing Java source generation they've used JET or a homegrown tool.
share
|
improve this answer...
What is causing the error `string.split is not a function`?
...
lol. 4 answers (at least) at the same time. I shouldn't look at the newest questions on SO :)
– Denys Séguret
Apr 13 '12 at 18:07
...
Can't su to user jenkins after installing Jenkins
...false at the end of the line.
Hint: You don't use su and sudo at the same time.
share
|
improve this answer
|
follow
|
...