大约有 42,000 项符合查询结果（耗时：0.0605秒） [XML]
Entity Framework: table without primary key
I have an existing DB with which I would like to build a new app using EF4.0
18 Answers
...
Should I impose a maximum length on passwords?
I can understand that imposing a minimum length on passwords makes a lot of sense (to save users from themselves), but my bank has a requirement that passwords are between 6 and 8 characters long, and I started wondering...
...
Why would I want stage before committing in Git?
I'm new to version control and I understand that "committing" is essentially creating a backup while updating the new 'current' version of what you're working on.
...
What is the difference between HashSet and List?
Can you explain what is the difference between HashSet<T> and List<T> in .NET?
8 Answers
...
Why doesn't Java allow to throw a checked exception from static initialization block?
Why doesn't Java allow to throw a checked exception from a static initialization block? What was the reason behind this design decision?
...
When to use Storyboard and when to use XIBs
Are there any guidelines on when to use storyboards in an iOS project and when to use XIBs? what are the pros and cons of each and what situations do they each suit?
...
MVC Razor view nested foreach's model
Imagine a common scenario, this is a simpler version of what I'm coming across. I actually have a couple of layers of further nesting on mine....
...
A semantics for Bash scripts?
More than any other language I know, I've "learned" Bash by Googling every time I need some little thing. Consequently, I can patchwork together little scripts that appear to work. However, I don't really know what's going on, and I was hoping for a more formal introduction to Bash as a programmin...
Why would a JavaScript variable start with a dollar sign? [duplicate]
I quite often see JavaScript with variables that start with a dollar sign. When/why would you choose to prefix a variable in this way?
...
Is the != check thread safe?
I know that compound operations such as i++ are not thread safe as they involve multiple operations.
8 Answers
...