大约有 47,000 项符合查询结果（耗时：0.0581秒） [XML]
What is the Ruby (spaceship) operator?
...en return -1
if a = b then return 0
if a > b then return 1
if a and b are not comparable then return nil
It's useful for sorting an array.
share
|
improve this answer
|
...
Java Generate Random Number Between Two Given Values [duplicate]
I would like to know how to generate a random number between two given values.
7 Answers
...
How to create an object for a Django model with a many to many field?
...my original suggestion. It works, but isn't optimal. (Note: I'm using Bars and a Foo instead of Users and a Sample, but you get the idea).
bar1 = Bar.objects.get(pk=1)
bar2 = Bar.objects.get(pk=2)
foo = Foo()
foo.save()
foo.bars.add(bar1)
foo.bars.add(bar2)
It generates a whopping total of 7 quer...
Proper indentation for Python multiline strings
... one
line two
line three"""
Since the newlines and spaces are included in the string itself, you will have to postprocess it. If you don't want to do that and you have a whole lot of text, you might want to store it separately in a text file. If a text file does not work ...
How do I set the version information for an existing .exe, .dll?
...e of the binaries already have version information (added at compile time) and some do not.
14 Answers
...
Threads vs Processes in Linux
...ter to use processes instead of threads, since Linux is very efficient in handling processes, and because there are so many problems (such as locking) associated with threads. However, I am suspicious, because it seems like threads could give a pretty big performance gain in some situations.
...
Difference between string and text in rails?
I'm making a new web app using Rails, and was wondering, what's the difference between string and text ? And when should each be used?
...
Redis - Connect to Remote Server
...will tell you if it is listening where you think it is. If not, restart it and be sure it restarts.
If it restarts and still is not listening where you expect, check your config file just to be sure.
After establishing it is listening where you expect it to, from a remote node which should have acc...
textarea's rows, and cols attribute in CSS
I'd like to set the textarea 's rows and cols attributes via CSS.
5 Answers
5
...
What is the purpose of the var keyword and when should I use it (or omit it)?
What exactly is the function of the var keyword in JavaScript, and what is the difference between
19 Answers
...