大约有 47,000 项符合查询结果(耗时:0.0413秒) [XML]

https://stackoverflow.com/ques... 

What is an example of the simplest possible Socket.io example?

..., and almost every example I can find on the web (believe me I have looked for hours and hours), has extra stuff that complicates things. A lot of the examples do a bunch of things that confuse me, or connect to some weird database, or use coffeescript or tons of JS libraries that clutter things up....
https://stackoverflow.com/ques... 

Where is SQL Server Management Studio 2012?

... That really helps - many thanks! It does now load, but unfortunately now comes up with an error message saying that I need to run the command ssms.exe /resetsettings from the command prompt. I'll try variations out and be sure to add a comment back here. – An...
https://stackoverflow.com/ques... 

LINQ order by null column where order is ascending and nulls should be last

... @DaveShaw thank you for the tip - especially the comment one - very tidy - love it – Demetris Leptos Dec 3 '16 at 10:50 ...
https://stackoverflow.com/ques... 

Good examples of Not a Functor/Functor/Applicative/Monad?

...ll semantics as soon as you use any unsafe function. See the Haskell Wiki for an article on bottom (link) or unsafe functions (link). I wonder if it is possible to create such a type constructor using a richer type system, such as Agda or Haskell with various extensions. A type constructor which ...
https://stackoverflow.com/ques... 

How to use a decimal range() step value?

...age and adds a lot of overhead in terms of dependency-management, storage (for the package itself) etc. Depending on what the developer is doing, it may be impossible to use it. – rbaleksandar May 24 '17 at 13:56 ...
https://stackoverflow.com/ques... 

How to change the session timeout in PHP?

...ng session.gc_maxlifetime along with session_set_cookie_params should work for you like this: // server should keep session data for AT LEAST 1 hour ini_set('session.gc_maxlifetime', 3600); // each client should remember their session id for EXACTLY 1 hour session_set_cookie_params(3600); session_...
https://stackoverflow.com/ques... 

How can you profile a Python script?

... For visualizing cProfile dumps (created by python -m cProfile -o <out.profile> <script>), RunSnakeRun, invoked as runsnake <out.profile> is invaluable. – Lily Chung May...
https://stackoverflow.com/ques... 

pandas three-way joining multiple dataframes on columns

...ith whatever number of dataframes you want to merge. Edit August 1, 2016: For those using Python 3: reduce has been moved into functools. So to use this function, you'll first need to import that module: from functools import reduce ...
https://stackoverflow.com/ques... 

Find the most common element in a list

...s proposed, I'm amazed nobody's proposed what I'd consider an obvious one (for non-hashable but comparable elements) -- [itertools.groupby][1]. itertools offers fast, reusable functionality, and lets you delegate some tricky logic to well-tested standard library components. Consider for example: ...
https://stackoverflow.com/ques... 

How to get the concrete class name as a string? [duplicate]

I want to avoid calling a lot of isinstance() functions, so I'm looking for a way to get the concrete class name for an instance variable as a string. ...