大约有 3,700 项符合查询结果(耗时:0.0162秒) [XML]
Microsecond timing in JavaScript
...lps me invalidate results that has probably been too adversely affected by CPU fluctuations).
It's become so accurate in some GPU accelerated browsers on i7 quad-core systems (when the browser window is the only window), that I've found I wished I could access a 0.1ms precision timer in JavaScript,...
AsyncTask threads never die
...xecution. How many will run at once is based on the number of cores of the CPU. AFAIK, the current algorithm is 2N+1 parallel threads, where N is the number of cores.
– CommonsWare
Feb 16 '18 at 11:40
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Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
...differ by a a multiple of 4096 have a false dependency on Intel SnB-family CPUs. (i.e. same offset within a page). This can reduce throughput when some of the operations are stores, esp. a mix of loads and stores.
– Peter Cordes
Mar 18 '16 at 1:52
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How can I list the contents of a directory in Python?
...t have to os.path.isdir/file to know if it's a file or not, and that saves CPU time because stat is already done when scanning dir in Windows:
example to list a directory and print files bigger than max_value bytes:
for dentry in os.scandir("/path/to/dir"):
if dentry.stat().st_size > max_va...
What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?
...ing further might break if incrementing the pointer causes an overflow, on CPU's which don't just treat pointers as integers.
– jalf
Aug 11 '10 at 14:32
add a comment
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Homebrew作者解不出面试题,被Google拒绝 - 创意 - 清泛网 - 专注C/C++及内核技术
...其作者在进入Google的面试中,因解不出一个二叉树翻转的问题,直接被Google拒绝。
Max Howell在Twitter上推文大意如下:
Google:虽然我们90%的工程师都在用你写的Homebrew,但这也并没有什么卵用,你连二叉树翻转都写不出,直接...
“hello, world” 起源及其他 - 创意 - 清泛网 - 专注C/C++及内核技术
...章(我的hello world)、环境搭建成功后的第一个测试…
问题的提出
相传古时候有个退休的程序员,在家闲来无事,决定修习书法之道。第一日,备好笔墨纸砚,便挥毫写下一行大字:“hello, world”。
学过编程语言的人都笑了...
13 个免费学习编程的好地方 - 创意 - 清泛网 - 专注C/C++及内核技术
...算机编程入门的好地方。
GitHub
有时候,当你因为某个问题卡壳了,你需要查阅些资料,你就需要GitHub 了。在这里你可以找到 500 本免费编程书,涵盖 80 个不同的编程语言,这些书在Git 库托管服务中,这意味着会被定期更新。...
最新编程语言Alda:用文本编辑器就能谱曲 - 创意 - 清泛网 - 专注C/C++及内核技术
...多种乐器等。就其现阶段而言,完成基本的乐谱是完全没问题的,不过变调、重复等一些标记还需要后续的功能加入。
Yarwood 撰写了 Alda 使用的具体使用说明,有兴趣的可以点击这里查看,他另外也表示未来将扩展 Alda 的应用...
只有程序员能看懂的笑话 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...件工程师参加培训管理人员的课程。老师提出了这样一个问题:“假如你供职的公司是为航空电子设备提供软件的。有一天你乘飞机出差,当你上了飞机后你发现一个牌子上写着这个飞机用的是你的团队开发的Beta版软件,你会...