大约有 30,000 项符合查询结果(耗时:0.0487秒) [XML]
Is SQL or even TSQL Turing Complete?
... Miroslav PopovMiroslav Popov
2,55411 gold badge2323 silver badges4545 bronze badges
...
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...
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.
...
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]}
>...
How do you use script variables in psql?
In MS SQL Server, I create my scripts to use customizable variables:
13 Answers
13
...
Converting an array of objects to ActiveRecord::Relation
... |
edited Jun 18 '15 at 7:32
answered Jun 27 '14 at 9:24
Ma...
How to read a file in reverse order?
... Matt JoinerMatt Joiner
94.2k8585 gold badges321321 silver badges483483 bronze badges
197...
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...
How does MySQL process ORDER BY and LIMIT in a query?
I have a query that looks like this:
7 Answers
7
...
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".
...
