大约有 47,000 项符合查询结果（耗时：0.0868秒） [XML]
Difference between database and schema
What's the difference between a Database and a Schema in SQL Server? Both are the containers of tables and data.
5 Answers
...
What is a sealed trait?
Sealed classes are described in 'Programming in Scala', but sealed traits are not.
Where can I find more information about a sealed trait?
...
JRuby on Rails vs. Ruby on Rails, what's difference?
I'm looking to try out JRuby and JRuby on Rails. I'm having trouble finding information on what's difference between JRuby on Rails and Ruby on Rails.
...
PHP Timestamp into DateTime
Do you know how I can convert this to a strtotime, or a similar type of value to pass into the DateTime object?
4 Answer...
Rails: how do I validate that something is a boolean?
Does rails have a validator like validates_numericality_of for boolean or do I need to roll my own?
5 Answers
...
How does @synchronized lock/unlock in Objective-C?
Does @synchronized not use "lock" and "unlock" to achieve mutual exclusion? How does it do lock/unlock then?
5 Answers
...
Combining node.js and Python
Node.js is a perfect match for our web project, but there are few computational tasks for which we would prefer Python. We also already have a Python code for them.
We are highly concerned about speed, what is the most elegant way how to call a Python "worker" from node.js in an asynchronous non-blo...
Does making a struct volatile make all its members volatile?
If I have:
2 Answers
2
...
Do you need break in switch when return is used?
I was wondering if I need to use "break" in "switch" function when "return" is used.
7 Answers
...
How to Compare Flags in C#?
I have a flag enum below.
11 Answers
11
...