大约有 40,000 项符合查询结果（耗时：0.0487秒） [XML]
How to git log in reverse order?
I recently learned that I can get hg log to print the history in reverse order with:
5 Answers
...
How to prevent Browser cache for php site
I have a php site running in cloud server.When ever i add new files css, js or images the browser is loading the same old js, css and image files stored in cache.
...
Difference between Django's annotate and aggregate methods?
Django's QuerySet has two methods, annotate and aggregate . The documentation says that:
3 Answers
...
Can you write nested functions in JavaScript?
I am wondering if JavaScript supports writing a function within another function, or nested functions (I read it in a blog). Is this really possible?. In fact, I have used these but am unsure of this concept. I am really unclear on this -- please help!
...
How can I define a composite primary key in SQL?
How can I define a composite primary key consisting of two fields in SQL?
3 Answers
3
...
Rails: around_* callbacks
I have read the documentation at http://api.rubyonrails.org/classes/ActiveRecord/Callbacks.html , but don't understand when the around_* callbacks are triggered in relation to before_* and after_* .
...
What command opens Ruby's REPL?
What command opens Ruby's REPL?
2 Answers
2
...
Django - limiting query results
I want to take the last 10 instances of a model and have this code:
5 Answers
5
...
What do single quotes do in C++ when used on multiple characters?
I'm curious about this code:
5 Answers
5
...
What's the difference between MemoryCache.Add and MemoryCache.Set?
I read the MSDN documentation but didn't really understand it.
1 Answer
1
...