大约有 40,740 项符合查询结果（耗时：0.0696秒） [XML]
How do I handle too long index names in a Ruby on Rails ActiveRecord migration?
I am trying to add an unique index that gets created from the foreign keys of four associated tables:
9 Answers
...
Android: Is it possible to display video thumbnails?
I created a video recording application with library dialog. The library dialog displays the list of recorded videos where each item consists of icon, video title, tags and location information the following way:
...
How to detect Adblock on my website?
I would like to be able to detect if the user is using adblocking software when they visit my website. If they are using it, I want to display a message asking them to turn it off in order to support the project, like this website does.
...
The model backing the context has changed since the database was created
...
Active
Oldest
Votes
...
What is the use of having destructor as private?
What is the use of having destructor as private?
9 Answers
9
...
How can I decode HTML characters in C#?
I have email addresses encoded with HTML character entities. Is there anything in .NET that can convert them to plain strings?
...
Create an index on a huge MySQL production table without table locking
I need to create an index on a ~5M rows MySQL table. It is a production table, and I fear a complete block of everything if I run a CREATE INDEX statement...
...
onBitmapLoaded of Target object not called on first load
In my function :
8 Answers
8
...
How to find what code is run by a button or element in Chrome using Developer Tools
I'm using Chrome and my own website.
5 Answers
5
...
Virtual functions and performance - C++
In my class design, I use abstract classes and virtual functions extensively. I had a feeling that virtual functions affects the performance. Is this true? But I think this performance difference is not noticeable and looks like I am doing premature optimization. Right?
...