大约有 4,400 项符合查询结果（耗时：0.0282秒） [XML]
Fastest hash for non-cryptographic uses?
...047012
41 - snefru 0.833986997604
42 - md2 1.80192279816
Entire page took 22.755341053 seconds
Hashes Compared
1 - crc32b 761331d7
2 - crc32 7e8c6d34
3 - md4 1bc8785de173e77ef28a24bd525beb68
4 - md5 9f9cfa3b5b339773b8d6dd77bbe931dd
5 - sha1 ca2bd798e47eab85655f0ce03fa46b2e6e20a31f
6 - adler32 f5f...
List changes unexpectedly after assignment. How do I clone or copy it to prevent this?
...duce an equivalent element.
It's also less performant.
In 64 bit Python 2.7:
>>> import timeit
>>> import copy
>>> l = range(10)
>>> min(timeit.repeat(lambda: copy.deepcopy(l)))
27.55826997756958
>>> min(timeit.repeat(lambda: eval(repr(l))))
29.045341...
How Python web frameworks, WSGI and CGI fit together
... URL is outdated, I think this is updated one: docs.python.org/2.7/howto/webservers.html
– Stefaan
Feb 21 '18 at 16:11
...
Lua简明教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...a学习教程
lua参考手册Lua参考手册的中文翻译（云风翻译版本）
关于Lua的标库，你可以看看官方文档：string， table， math， io， os。
（全文完）
Lua 简明教程
Shell脚本编程30分钟入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...脚本实在太啰嗦，你只是想做一些备份文件、安装软件、下载数据之类的事情，学着使用sh，bash会是一个好主意。
shell只定义了一个非常简单的编程语言，所以，如果你的脚本程序复杂度较高，或者要操作的数据结构比较复杂...
How to read a large file - line by line?
...
On Python 2.7 I had to open(file_path, 'rU') to enable universal newlines.
– Dave
Dec 4 '17 at 21:57
...
What is the difference between a port and a socket?
...ough information to identify a socket.
Addendum
Paragraph two of section 2.7 of RFC793 says
A connection is fully specified by the pair of sockets at the ends. A
local socket may participate in many connections to different foreign
sockets.
This definition of socket is not helpful fr...
How do I determine the size of an object in Python?
...+ (newsize >> 3) + (newsize < 9 ? 3 : 6);
Historical data
Python 2.7 analysis, confirmed with guppy.hpy and sys.getsizeof:
Bytes type empty + scaling notes
24 int NA
28 long NA
37 str + 1 byte per additional character
52 unicode + 4 bytes ...
How to avoid reinstalling packages when building Docker image for Python projects?
...for pytest
Installing py.test script to /usr/local/bin
Installing py.test-2.7 script to /usr/local/bin
Running setup.py install for py
Successfully installed pytest ipython py
Cleaning up...
---> 23a1af3df8ed
Removing intermediate container 4b7a85a64c33
Step 4 : ADD . /srv
---> d8ae270eca3...
周鸿祎创业以来的“六大战役” 酷派会是最后一战 - 资讯 - 清泛网 - 专注C/...
...，导致了最终一拍两散。对于其中内幕，网上流传着各种版本，各执一词。不过通过梳理一遍，我相信错误是一半一半的。
2005年傅盛加入360，带领团队打造360安全卫士，而此时的周鸿祎依旧醉心于他的搜索，而结果就是，周鸿...