大约有 47,000 项符合查询结果（耗时：0.0763秒） [XML]
The performance impact of using instanceof in Java
I am working on an application and one design approach involves extremely heavy use of the instanceof operator. While I know that OO design generally tries to avoid using instanceof , that is a different story and this question is purely related to performance. I was wondering if there is any per...
Access-Control-Allow-Origin Multiple Origin Domains?
Is there a way to allow multiple cross-domains using the Access-Control-Allow-Origin header?
31 Answers
...
Android Fragment lifecycle over orientation changes
Using the compatibility package to target 2.2 using Fragments.
7 Answers
7
...
How to drop a database with Mongoose?
I'm preparing a database creation script in Node.js and Mongoose.
How can I check if the database already exists, and if so, drop (delete) it using Mongoose?
...
Is it ever advantageous to use 'goto' in a language that supports loops and functions? If so, why?
I've long been under the impression that goto should never be used if possible. While perusing libavcodec (which is written in C) the other day, I noticed multiple uses of it. Is it ever advantageous to use goto in a language that supports loops and functions? If so, why?
...
Can an ASP.NET MVC controller return an Image?
Can I create a Controller that simply returns an image asset?
19 Answers
19
...
Using an SSH keyfile with Fabric
How do you configure fabric to connect to remote hosts using SSH keyfiles (for example, Amazon EC2 instances)?
8 Answers
...
The remote end hung up unexpectedly while git cloning
My git client repeatedly fails with the following error after trying to clone the repository for some time.
36 Answers
...
No Main() in WPF?
I am a beginner when it comes to programming but I was sure that one of the universal rules was that a program starts with Main(). I do not see one when I create a WPF project. Is Main() simply named something differently in WPF?
...