大约有 40,000 项符合查询结果（耗时：0.0476秒） [XML]
Difference between \A \z and ^ $ in Ruby regular expressions
In the documentation I read:
4 Answers
4
...
What is the right way to override a setter method in Ruby on Rails?
...by on Rails 3.2.2 and I would like to know if the following is a "proper"/"correct"/"sure" way to override a setter method for a my class attribute.
...
How to copy from CSV file to PostgreSQL table with headers in CSV file?
I want to copy a CSV file to a Postgres table. There are about 100 columns in this table, so I do not want to rewrite them if I don't have to.
...
Rails “validates_uniqueness_of” Case Sensitivity
...
Active
Oldest
Votes
...
Difference between Document-based and Key/Value-based databases?
...
Active
Oldest
Votes
...
Best way to use html5 data attributes with rails content_tag helper?
The issue, of course, is that ruby symbols don't like hyphens. So something like this obviously won't work:
6 Answers
...
In Eclipse, can I have multiple Console views at once, each showing a different Console?
I'm working on some applications that, in debug mode, log to the console. I'd like to run and debug them from inside of Eclipse, and view the console for each one simultaneously. However, I have a single Console tab that shows a single Console output at a time. Is there a way I can split the console...
what's the difference between “hadoop fs” shell commands and “hdfs dfs” shell commands?
...
Active
Oldest
Votes
...
What does @synchronized() do as a singleton method in objective C?
I just created a singleton method, and I would like to know what the function @synchronized() does, as I use it frequently, but do not know the meaning.
...
Automatically add all files in a folder to a target using CMake?
I am considering switching a cross platform project from separate build management systems in Visual C++, XCode and makefiles to CMake.
...