大约有 11,000 项符合查询结果（耗时：0.0220秒） [XML]
Python: try statement in a single line
...le exists in Python, like you would in some other dynamic languages. The safer way (and the prevailing style) is to set all variables to something. If they might not get set, set them to None first (or 0 or '' or something if it is more applicable.)
If you do assign all the names you are interest...
Remove sensitive files and their commits from Git history
I would like to put a Git project on GitHub but it contains certain files with sensitive data (usernames and passwords, like /config/deploy.rb for capistrano).
...
How to get names of classes inside a jar file?
I have a JAR file and I need to get the name of all classes inside this JAR file. How can I do that?
12 Answers
...
Is it possible to Pivot data using LINQ?
I am wondering if it is possible to use LINQ to pivot data from the following layout:
6 Answers
...
Getting GDB to save a list of breakpoints
OK, info break lists the breakpoints, but not in a format that would work well with reusing them using the --command as in this question . Does GDB have a method for dumping them into a file acceptable for input again? Sometimes in a debugging session, it is necessary to restart GDB after buildi...
How to represent multiple conditions in a shell if statement?
...
Classic technique (escape metacharacters):
if [ \( "$g" -eq 1 -a "$c" = "123" \) -o \( "$g" -eq 2 -a "$c" = "456" \) ]
then echo abc
else echo efg
fi
I've enclosed the references to $g in double quotes; that's good practice, in general. Strictly, the parentheses are...
Java 8: performance of Streams vs Collections
...ew to Java 8. I still don't know the API in depth, but I've made a small informal benchmark to compare the performance of the new Streams API vs the good old Collections.
...
How to prettyprint a JSON file?
I have a JSON file that is a mess that I want to prettyprint. What's the easiest way to do this in Python?
12 Answers
...
Get Android Phone Model programmatically
I would like to know if there is a way for reading the Phone Model programmatically in Android.
16 Answers
...
MVC4 StyleBundle not resolving images
...
16 Answers
16
Active
...