大约有 19,300 项符合查询结果(耗时:0.0338秒) [XML]

https://stackoverflow.com/ques... 

Why is it slower to iterate over a small string than a small list?

...hole thing slower! The aim is just to have a longer iteration so the time hides overhead. >>> python3 -m timeit -s 'import random; iterable = "".join(chr(random.randint(0, 127)) for _ in range(100000))' '[x for x in iterable]' 100 loops, best of 3: 3.12 msec per loop >>> python3 ...
https://stackoverflow.com/ques... 

What exactly does git's “rebase --preserve-merges” do (and why?)

... As with a normal git rebase, git with --preserve-merges first identifies a list of commits made in one part of the commit graph, and then replays those commits on top of another part. The differences with --preserve-merges concern which commits are selected for replay and how that repla...
https://stackoverflow.com/ques... 

What are metaclasses in Python?

...pe of each other base class metaclass. Note that it is possible that no valid metaclass can be found, and the definition will fail. – chepner Jan 9 at 21:14 ...
https://stackoverflow.com/ques... 

Dynamically update values of a chartjs chart

...ft(); }; var optionsAnimation = { //Boolean - If we want to override with a hard coded scale scaleOverride : true, //** Required if scaleOverride is true ** //Number - The number of steps in a hard coded scale scaleSteps : 10, //Number - The value jump in the hard coded...
https://stackoverflow.com/ques... 

How to implement classic sorting algorithms in modern C++?

...the C++ Standard Library is in most implementations a complicated and hybrid amalgamation of more elementary sorting algorithms , such as selection sort, insertion sort, quick sort, merge sort, or heap sort. ...
https://stackoverflow.com/ques... 

How do SO_REUSEADDR and SO_REUSEPORT differ?

...u should know before we look at these two options. A TCP/UDP connection is identified by a tuple of five values: {<protocol>, <src addr>, <src port>, <dest addr>, <dest port>} Any unique combination of these values identifies a connection. As a result, no two connecti...
https://stackoverflow.com/ques... 

What optimizations can GHC be expected to perform reliably?

...e of SpecConstr = 206 *** Simplifier: Result size of Simplifier = 206 *** Tidy Core: Result size of Tidy Core = 206 writeBinIface: 4 Names writeBinIface: 28 dict entries *** CorePrep: Result size of CorePrep = 224 *** Stg2Stg: *** CodeGen: *** CodeOutput: *** Assembler: '/usr/bin/gcc' '-fno-stack-pr...
https://stackoverflow.com/ques... 

How to programmatically create and read WEP/EAP WiFi configurations in Android?

...ow to programmatically create and read WEP/EAP WiFi configurations in Android? 5 Answers ...
https://stackoverflow.com/ques... 

Regular expression to match non-ASCII characters?

...atch non-ASCII characters in a regex? I would like to match all words individually in an input string, but the language may not be English, so I will need to match things like ü, ö, ß, and ñ. Also, this is in Javascript/jQuery, so any solution will need to apply to that. ...
https://www.tsingfun.com/it/tech/1329.html 

廉价共享存储解决方案1-drbd+ha+nfs - 更多技术 - 清泛网 - 专注C/C++及内核技术

...由对方的drbd存储在本地对应磁盘 上,类似于一个网络RAID-1功能。在高可用(HA)中使用DRBD功能,可以代替使用一个共享盘阵。本地(主节点)与远程主机(备节点)的数据可以保 证实时同步。当本地系统出现故障时,远程主机上还会保...