大约有 42,000 项符合查询结果(耗时:0.0792秒) [XML]
What is the difference between '>' and a space in CSS selectors?
What's the point using this syntax
5 Answers
5
...
Objective-C Static Class Level variables
I have a class Film, each of which stores a unique ID. In C#, Java etc I can define a static int currentID and each time i set the ID i can increase the currentID and the change occurs at the class level not object level. Can this be done in Objective-C? I've found it very hard to find an answer for...
Can anyone explain IEnumerable and IEnumerator to me? [closed]
Can anyone explain IEnumerable and IEnumerator to me?
16 Answers
16
...
ASP.NET MVC ActionLink and post method
Can anyone tell me how can I submit values to Controller using ActionLink and POST method?
I don't want to use buttons.
I guess it has something with jquery.
...
Computed / calculated / virtual / derived columns in PostgreSQL
Does PostgreSQL support computed / calculated columns, like MS SQL Server? I can't find anything in the docs, but as this feature is included in many other DBMSs I thought I might be missing something.
...
Table Naming Dilemma: Singular vs. Plural Names [closed]
Academia has it that table names should be the singular of the entity that they store attributes of.
41 Answers
...
What are the effects of exceptions on performance in Java?
Question: Is exception handling in Java actually slow?
18 Answers
18
...
Does a break statement break from a switch/select?
I know that switch / select statements break automatically after every case. I am wondering, in the following code:
6 Ans...
How can we redirect a Java program console output to multiple files?
How can we redirect the eclipse console output to a file? I can:
5 Answers
5
...
Differences between MySQL and SQL Server [closed]
I'm an ASP.NET developer who has used Microsoft SQL Server for all my database needs (both at work and for personal projects).
...
