大约有 43,000 项符合查询结果(耗时:0.0621秒) [XML]

https://stackoverflow.com/ques... 

How can the Euclidean distance be calculated with NumPy?

...sive square roots. That'll be much faster. We can also improve in_range by converting it to a generator: def in_range(origin, range, things): range_sq = range**2 yield from (thing for thing in things if distance_sq(origin, thing) <= range_sq) This especially has benefit...
https://stackoverflow.com/ques... 

How to get current location in Android [duplicate]

...s of getting my current position coordinates using the NETWORK provider of android location system. 3 Answers ...
https://stackoverflow.com/ques... 

How can I add (simple) tracing in C#? [closed]

... application I am writing. Sadly, I can never really remember how it works and would like a tutorial with reference qualities to check up on every now and then. It should include: ...
https://stackoverflow.com/ques... 

How to use stringstream to separate comma separated strings [duplicate]

... Why do you guys always use std:: and full namespaces instead of using namespace? Is there specific reasoning for this? I just always find it as a very noisy and had-to-read syntax. – Dmitry Gusarov Oct 14 '19 at 2:45 ...
https://stackoverflow.com/ques... 

Transactions in REST?

...playing with semantics to me; I'm uncomfortable with the nominalization of converting verbs into nouns to make it RESTful, "because it uses nouns (URIs) instead of verbs (RPC calls)". i.e. the noun "committed transaction resource" instead of the verb "commit this transaction". I guess one advantage...
https://stackoverflow.com/ques... 

What specific productivity gains do Vim/Emacs provide over GUI text editors?

...m gives you very specific and foolproof ways of setting file encodings and converting between them. The very first thing that impressed me about Vim is how perfectly it handles tab/space indentation options and Unix/DOS linebreaks compared to other editors that I had problems with at the time. Man...
https://stackoverflow.com/ques... 

All permutations of a Windows license key

...*kwargs. When using format you can not pass the tuple directly but need to convert it to arguments first: map(lambda args: 'MPP6R-09RXG-2H{}MT-{}K{}M9-V{}C8R'.format(*args), product('8B', 'B8', 'HN', '6G')). I still use the old % string formatting a lot for sentimental reasons. I really should consi...
https://stackoverflow.com/ques... 

Difference between __str__ and __repr__?

... __repr__: representation of python object usually eval will convert it back to that object __str__: is whatever you think is that object in text form e.g. >>> s="""w'o"w""" >>> repr(s) '\'w\\\'o"w\'' >>> str(s) 'w\'o"w' >>> eval(str(s))==s Traceb...
https://stackoverflow.com/ques... 

What is the difference between native code, machine code and assembly code?

I'm confused about machine code and native code in the context of .NET languages. 4 Answers ...
https://stackoverflow.com/ques... 

What do column flags mean in MySQL Workbench?

...nary (stores data as binary strings. There is no character set so sorting and comparison is based on the numeric values of the bytes in the values.) UN - Unsigned (non-negative numbers only. so if the range is -500 to 500, instead its 0 - 1000, the range is the same but it starts at 0) UQ - Cr...