大约有 40,000 项符合查询结果（耗时：0.0699秒） [XML]
Why is '+' not understood by Python sets?
...
Python sets don't have an implementation for the + operator.
You can use | for set union and & for set intersection.
Sets do implement - as set difference. You can also use ^ for symmetric set difference (i.e., it will return ...
Why can't I stop vim from wrapping my code?
I can't stop vim from wrapping my Python code. If I enter :set nowrap like a champ, but it still wraps.
9 Answers
...
Get current value of a setting in Vim
Is there a simple way of finding out the current value of a specified Vim setting? If I want to know the current value of, say tabstop , I can run:
...
How do I set the default font size in Vim?
I am trying to configure the default settings for my GUI with Vim. I already made research on the web, but all the solutions I found and tried did not work.
...
How do I find out which settings.xml file maven is using
I recently changed my password and have to change my maven settings.xml file to reflect that. However, no matter what I do in the settings.xml file, the changed password just won't get picked up. Out of desperation, I ran maven with the -s switch ( mvn -s <my intended settings.xml file> ) and ...
How to change plot background color?
...
Use the set_facecolor(color) method of the axes object, which you've created one of the following ways:
You created a figure and axis/es together
fig, ax = plt.subplots(nrows=1, ncols=1)
You created a figure, then axis/es later
...
How do SO_REUSEADDR and SO_REUSEPORT differ?
... to distinguish these connections any longer.
The protocol of a socket is set when a socket is created with the socket() function. The source address and port are set with the bind() function. The destination address and port are set with the connect() function. Since UDP is a connectionless protoc...
isset() and empty() - what to use
...st looking to see if it is empty just use empty as it checks whether it is set as well, if you want to know whether something is set or not use isset.
Empty checks if the variable is set and if it is it checks it for null, "", 0, etc
Isset just checks if is it set, it could be anything not null
W...
Version vs build in Xcode
..., additional steps if you want to write your version/build numbers to your Settings.bundle/Root*.plist file(s).
This is extended from the how-to article here.
In Xcode 4.2 - 5.0:
Load your Xcode project.
In the left hand pane, click on your project at the very top of the hierarchy. This will loa...
How to disable the application pool idle time-out in IIS7?
Will it be disabled if I set the idle time-out to 0?
3 Answers
3
...