大约有 47,000 项符合查询结果(耗时:0.0331秒) [XML]

https://stackoverflow.com/ques... 

ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock'

I installed MySQL on Mac OS X Mountain Lion with homebrew install mysql , but when I tried mysql -u root I got the following error: ...
https://stackoverflow.com/ques... 

Are std::vector elements guaranteed to be contiguous?

...e in the middle take linear time. Storage management is handled automatically, though hints can be given to improve efficiency. The elements of a vector are stored contiguously, meaning that if v is a vector where T is some type other than bool, then it obeys the identity &v[n] == &v[0...
https://stackoverflow.com/ques... 

How to pick a new color for each plotted line within a figure in matplotlib?

...at the bottom of this answer: stackoverflow.com/questions/4805048/… Basically you just do this: [colormap(i) for i in np.linspace(0, 0.9, num_plots)], where colormap is one of the colormaps in matplotlib.pyplot.cm and numplots is the number of unique colors that you want. Beware that this can res...
https://stackoverflow.com/ques... 

Get fully qualified class name of an object in Python

... Adam MatanAdam Matan 98.4k110110 gold badges318318 silver badges486486 bronze badges ...
https://stackoverflow.com/ques... 

How does an underscore in front of a variable in a cocoa objective-c class work?

...to-generated accessor (for the property) knows which ivar to use. Specifically, in your implementation file, your synthesize should look like this: @synthesize missionName = _missionName; More generically, this is: @synthesize propertyName = _ivarName; ...
https://stackoverflow.com/ques... 

unable to start mongodb local server

...s Jung: "Sat Jun 25 09:38:51 [initandlisten] listen(): bind() failed errno:98 Address already in use for socket: 0.0.0.0:27017 is self-speaking. Another instance of mongod is already running and allocating the MongoDB default port which is 27017. Either kill the other process or use a different port...
https://stackoverflow.com/ques... 

What is move semantics?

...regarding C++0x . Most of the new features made sense to me, and I am actually excited about C++0x now, with the exception of one. I still don't get move semantics ... What is it exactly? ...
https://stackoverflow.com/ques... 

How to show all shared libraries used by executables in Linux?

...to know which libraries are used by executables on my system. More specifically, I'd like to rank which libraries are used the most, along with the binaries that use them. How can I do this? ...
https://stackoverflow.com/ques... 

How to set custom favicon in Express?

... In Express 4 Install the favicon middleware and then do: var favicon = require('serve-favicon'); app.use(favicon(__dirname + '/public/images/favicon.ico')); Or better, using the path module: app.use(favicon(path.join(__dirname,'public','ima...
https://stackoverflow.com/ques... 

Mathematical functions in Swift

... UIKit, Cocoa, Foundation, all valid choices. – erdekhayser Nov 27 '14 at 20:26 ...