大约有 24,980 项符合查询结果（耗时：0.0409秒） [XML]
Multiple inheritance for an anonymous class
How can an anonymous class implement two (or more) interfaces? Alternatively, how can it both extend a class and implement an interface?
For example, I want to create an object of anonymous class that extends two interfaces:
...
What is the difference between .map, .every, and .forEach?
I've always wondered what the difference between them were. They all seem to do the same thing...
4 Answers
...
How do you get current active/default Environment profile programmatically in Spring?
I need to code different logic based on different current Environment profile. How can you get the current active and default profiles from Spring?
...
Exclude a sub-directory using find
I have directory structure like this
5 Answers
5
...
Bootstrap 3 - Why is row class is wider than its container?
I just started using Bootstrap 3. I am having a difficult time
understanding how the row class works.
Is there a way to avoid the padding-left and padding-right ?
...
dplyr summarise: Equivalent of “.drop=FALSE” to keep groups with zero length in output
When using summarise with plyr 's ddply function, empty categories are dropped by default. You can change this behavior by adding .drop = FALSE . However, this doesn't work when using summarise with dplyr . Is there another way to keep empty categories in the result?
...
Why is it faster to check if dictionary contains the key, rather than catch the exception in case it
Imagine the code:
2 Answers
2
...
Ruby Regexp group matching, assign variables on 1 line
I'm currently trying to rexp a string into multiple variables. Example string:
5 Answers
...
How do I create an immutable Class?
I am working on creating an immutable class.
I have marked all the properties as read-only.
6 Answers
...
Should I use Python 32bit or Python 64bit
...e a win7 64bit installation. Must I use Python 64bit? What are the differences between the 32bit and 64bit Python versions anyway? Do different Python packages (such as south, django, mysqldb etc) support only 32bit/64bit?
...