大约有 47,000 项符合查询结果（耗时：0.0724秒） [XML]
Using sed and grep/egrep to search and replace
...
Use this command:
egrep -lRZ "\.jpg|\.png|\.gif" . \
| xargs -0 -l sed -i -e 's/\.jpg\|\.gif\|\.png/.bmp/g'
egrep: find matching lines using extended regular expressions
-l: only list matching filenames
-R: search recursively th...
If my interface must return Task what is the best way to have a no-operation implementation?
... to the interface, the class LazyBar must return a task from its method (and for argument's sake can't be changed). If LazyBar s implementation is unusual in that it happens to run quickly and synchronously - what is the best way to return a No-Operation task from the method?
...
What's the difference between JPA and Hibernate? [closed]
I understand that JPA 2 is a specification and Hibernate is a tool for ORM. Also, I understand that Hibernate has more features than JPA 2. But from a practical point of view, what really is the difference?
...
How do I get a human-readable file size in bytes abbreviation using .NET?
... to do it, but it's easier to read if you are not familiar with log maths, and should be fast enough for most scenarios.
string[] sizes = { "B", "KB", "MB", "GB", "TB" };
double len = new FileInfo(filename).Length;
int order = 0;
while (len >= 1024 && order < sizes.Length - 1) {
o...
How to make a smaller RatingBar?
...lt RatingBar widget is sorta' lame.
The source makes reference to style "?android:attr/ratingBarStyleIndicator" in addition to the "?android:attr/ratingBarStyleSmall" that you're already familiar with. ratingBarStyleIndicator is slightly smaller but it's still pretty ugly and the comments note tha...
How to properly ignore exceptions
When you just want to do a try-except without handling the exception, how do you do it in Python?
11 Answers
...
How do I get hour and minutes from NSDate?
In my application I need to get the hour and minute separately:
8 Answers
8
...
“rm -rf” equivalent for Windows?
I need a way to recursively delete a folder and its children.
21 Answers
21
...
What to learn for making Java web applications in Java EE 6? [closed]
...al, my advice would be to start with Java EE 6 only. So, grab GlassFish v3 and either get the book Beginning Java EE 6 Platform with GlassFish 3: From Novice to Professional or follow the Java EE 6 tutorial. In my opinion, the book (that I've started to read so I know what I'm talking about) provide...
ImportError: No module named pip
...
OMG thank you! I have a vagrant box spun up with python 3 and was wondering why pip commands where not working when I installed pip via 'sudo apt-get install python-pip'. These versioning changes (i.e. like php with homebrew) drive me crazy sometimes...
– Ryan ...