大约有 40,000 项符合查询结果（耗时：0.0618秒） [XML]
How much faster is C++ than C#?
... more advanced JIT optimizations being complicated to implement, and the really cool ones are only arriving just now.
So C++ is faster, in many cases. But this is only part of the answer. The cases where C++ is actually faster, are highly optimized programs, where expert programmers thoroughly opti...
What is a deadlock?
...
I'm using process here as a generalisation, not specifically an OS Process. These could be threads, but could also be completely different applications, or database connections. The pattern is the same.
– Keith
Sep 23 '08 at 14:42
...
memory_get_peak_usage() with “real usage”
...ent is set to true the PHP DOCS say it will get the real size of memory allocated from system. If it's false it will get the memory reported by emalloc()
...
bash HISTSIZE vs. HISTFILESIZE?
... is ongoing.
HISTFILESIZE is the number of lines or commands that (a) are allowed in the history file at startup time of a session, and (b) are stored in the history file at the end of your bash session for use in future sessions.
Notice the distinction between file: on disk - and list: in memory....
Why is arr = [] faster than arr = new Array?
...BER, IDENTIFIER)
new Array: NEW, IDENTIFIER
new Array(): NEW, IDENTIFIER, CALL
new Array(5): NEW, IDENTIFIER, CALL (NUMBER)
new Array(5,4): NEW, IDENTIFIER, CALL (NUMBER, NUMBER)
new Array(5, foo): NEW, IDENTIFIER, CALL (NUMBER, IDENTIFIER)
Hopefully this should provide you a sufficient visualizat...
你以为发传单真的这么简单吗?（提升成功率干货） - 更多技术 - 清泛网 - 专...
...的，时而吆喝、时而蹿到你面前，俨然游戏关主。
那么问题来了：面对传单夹击，到底要肿么办？
道德帝一定会说：接一下传单又不会死！人家发传单那么辛苦>>>
曾经姐也秉着自以为体贴的心态，一路上来者不拒接下成沓广...
vector vs. list in STL
... Inserting elements at the end also counts because it can lead to memory allocation and element copying costs. And also, inserting elenets at the begining of a vector is next to impossible, list has push_front
– Notinlist
Feb 5 '10 at 18:00
...
Resizing an image in an HTML5 canvas
...
So what do you do if all the browsers (actually, Chrome 5 gave me quite good one) won't give you good enough resampling quality? You implement them yourself then! Oh come on, we're entering the new age of Web 3.0, HTML5 compliant browsers, super ...
Can I Replace Apache with Node.js?
...l suspects (Apache, MySQL, and PHP). Since the time this website was originally launched, it has evolved quite a bit and now I'd like to do fancier things with it—namely real-time notifications. From what I've read, Apache handles this poorly. I'm wondering if I can replace just Apache with Node.j...
Best approach to real time http streaming to HTML5 video client
I'm really stuck trying to understand the best way to stream real time output of ffmpeg to a HTML5 client using node.js, as there are a number of variables at play and I don't have a lot of experience in this space, having spent many hours trying different combinations.
...