大约有 18,000 项符合查询结果(耗时:0.0248秒) [XML]
Undefined reference to `sin` [duplicate]
I have the following code (stripped down to the bare basics for this question):
4 Answers
...
How to make an immutable object in Python?
Although I have never needed this, it just struck me that making an immutable object in Python could be slightly tricky. You can't just override __setattr__ , because then you can't even set attributes in the __init__ . Subclassing a tuple is a trick that works:
...
Fast permutation -> number -> permutation mapping algorithms
I have n elements. For the sake of an example, let's say, 7 elements, 1234567. I know there are 7! = 5040 permutations possible of these 7 elements.
...
How to move screen without moving cursor in Vim?
I recently discovered Ctrl + E and Ctrl + Y shortcuts for Vim that respectively move the screen up and down with a one line step, without moving the cursor .
...
How to make a class JSON serializable
How to make a Python class serializable?
33 Answers
33
...
SSL Error: unable to get local issuer certificate
I'm having trouble configuring SSL on a Debian 6.0 32bit server. I'm relatively new with SSL so please bear with me. I'm including as much information as I can.
Note: The true domain name has been changed to protect the identity and integrity of the server.
...
When should I use cross apply over inner join?
What is the main purpose of using CROSS APPLY ?
13 Answers
13
...
Timeout jQuery effects
I am trying to have an element fade in, then in 5000 ms fade back out again. I know I can do something like:
7 Answers
...
How to paste in a new line with vim?
I often have to paste some stuff on a new line in vim. What I usually do is:
14 Answers
...
Printing Java Collections Nicely (toString Doesn't Return Pretty Output)
I wish to print a Stack<Integer> object as nicely as the Eclipse debugger does (i.e. [1,2,3...] ) but printing it with out = "output:" + stack doesn't return this nice result.
...