大约有 30,000 项符合查询结果(耗时:0.0487秒) [XML]

https://stackoverflow.com/ques... 

Is SQL or even TSQL Turing Complete?

... Miroslav PopovMiroslav Popov 2,55411 gold badge2323 silver badges4545 bronze badges ...
https://stackoverflow.com/ques... 

Send email using java

...r. – Cheok Yan Cheng Sep 7 '10 at 9:32 12 I don't like that the methods are called Send instead o...
https://stackoverflow.com/ques... 

typedef struct vs struct definitions [duplicate]

I'm a beginner in C programming, but I was wondering what's the difference between using typedef when defining a structure versus not using typedef . It seems to me like there's really no difference, they accomplish the same goal. ...
https://stackoverflow.com/ques... 

Deep copy of a dict in python

...port copy d = { ... } d2 = copy.deepcopy(d) Python 2 or 3: Python 3.2 (r32:88445, Feb 20 2011, 21:30:00) [MSC v.1500 64 bit (AMD64)] on win32 Type "help", "copyright", "credits" or "license" for more information. >>> import copy >>> my_dict = {'a': [1, 2, 3], 'b': [4, 5, 6]} &gt...
https://stackoverflow.com/ques... 

How do you use script variables in psql?

In MS SQL Server, I create my scripts to use customizable variables: 13 Answers 13 ...
https://stackoverflow.com/ques... 

Converting an array of objects to ActiveRecord::Relation

... | edited Jun 18 '15 at 7:32 answered Jun 27 '14 at 9:24 Ma...
https://stackoverflow.com/ques... 

How to read a file in reverse order?

... Matt JoinerMatt Joiner 94.2k8585 gold badges321321 silver badges483483 bronze badges 197...
https://stackoverflow.com/ques... 

Why do Lua arrays(tables) start at 1 instead of 0?

I don't understand the rationale behind the decision of this part of Lua. Why does indexing start at 1? I have read (as many others did) this great paper . It seems to me a strange corner of a language that is very pleasant to learn and program. Don't get me wrong, Lua is just great but there has t...
https://stackoverflow.com/ques... 

How does MySQL process ORDER BY and LIMIT in a query?

I have a query that looks like this: 7 Answers 7 ...
https://stackoverflow.com/ques... 

Get string character by index - Java

I know how to work out the index of a certain character or number in a string, but is there any predefined method I can use to give me the character at the nth position? So in the string "foo", if I asked for the character with index 0 it would return "f". ...