大约有 40,000 项符合查询结果(耗时:0.0344秒) [XML]

https://stackoverflow.com/ques... 

Is storing a delimited list in a database column really that bad?

...heck boxes (any or all of them can be selected). I chose to save them in a comma separated list of values stored in one column of the database table. ...
https://stackoverflow.com/ques... 

Is it possible to write data to file using only JavaScript?

... add a comment  |  221 ...
https://stackoverflow.com/ques... 

Is there a TRY CATCH command in Bash

...to check that a terminal app has been installed. I want to use a TRY/CATCH command to do this unless there is a neater way. ...
https://stackoverflow.com/ques... 

How do I exit the Vim editor?

... Hit the Esc key to enter "Normal mode". Then you can type : to enter "Command-line mode". A colon (:) will appear at the bottom of the screen and you can type in one of the following commands. To execute a command, press the Enter key. :q to quit (short for :quit) :q! to quit without saving ...
https://stackoverflow.com/ques... 

Utility classes are evil? [closed]

...lity classes aren't exactly evil, but they can violate the principles that compose a good object-oriented design. In a good object-oriented design, most classes should represent a single thing and all of its attributes and operations. If you are operating on a thing, that method should probably be a...
https://stackoverflow.com/ques... 

Checking Bash exit status of several commands efficiently

Is there something similar to pipefail for multiple commands, like a 'try' statement but within bash. I would like to do something like this: ...
https://stackoverflow.com/ques... 

Execute command on all files in a directory

...o standard out. I need a script that will go into a directory, execute the command on each file, and concat the output into one big output file. ...
https://stackoverflow.com/ques... 

Creating C formatted strings (not printing them)

...( char * str, const char * format, ... ); Write formatted data to string Composes a string with the same text that would be printed if format was used on printf, but instead of being printed, the content is stored as a C string in the buffer pointed by str. The size of the buffer should be large e...
https://stackoverflow.com/ques... 

Setting different color for each series in scatter plot on matplotlib

...(["r", "b", "g"]) for y in ys: plt.scatter(x, y, color=next(colors)) Come to think of it, maybe it's cleaner not to use zip with the first one neither: colors = iter(cm.rainbow(np.linspace(0, 1, len(ys)))) for y in ys: plt.scatter(x, y, color=next(colors)) ...
https://stackoverflow.com/ques... 

Can you split a stream into two streams?

...  |  show 3 more comments 305 ...