大约有 15,000 项符合查询结果（耗时：0.0313秒） [XML]
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...
How do Trigonometric functions work?
...ation, you should NOT be using it. That goes for Taylor, Chebyshev, Padé, etc. series. Taylor series are often Good Enough.
– kquinn
Feb 7 '09 at 22:52
4
...
Encrypting & Decrypting a String in C# [duplicate]
... you to "muck about" with byte arrays, salts, keys, initialization vectors etc. but this is precisely the kind of detail that can be somewhat abstracted away within your "wrapper" class.
The following class is one I wrote a while ago to perform exactly the kind of thing you're after, a simple singl...
How can I delay a method call for 1 second?
... parts of the UI. My instinct is that it would also cause some unnecessary CPU or other resource drain, but I haven't checked.
– Bjorn Roche
Jun 3 '16 at 20:19
add a comment
...
Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple
...running the inner loop takes longer than that to fill the buffer, then the CPU will be the limiting factor. If the inner loop runs faster, then I/O will be the limiting factor, or at least there's some CPU time left over to do the real work.
– Ben Voigt
Dec 3 ...
Why is String.chars() a stream of ints in Java 8?
...l methods of java.lang.Character as well as StringBuilder.appendCodePoint, etc. This support exists since jdk1.5.
– Holger
Mar 18 '14 at 9:01
...
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...