大约有 40,740 项符合查询结果（耗时：0.0441秒） [XML]
Why use HttpClient for Synchronous Connection
I am building a class library to interact with an API. I need to call the API and process the XML response. I can see the benefits of using HttpClient for Asynchronous connectivity, but what I am doing is purely synchronous, so I cannot see any significant benefit over using HttpWebRequest .
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How to change colors of a Drawable in Android?
I'm working on an android application, and I have a drawable that I'm loading up from a source image. On this image, I'd like to convert all of the white pixels to a different color, say blue, and then cache the resultant Drawable object so I can use it later.
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How can I initialize a String array with length 0 in Java?
The Java Docs for the method
String[] java.io.File.list(FilenameFilter filter)
includes this in the returns description:
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When should I use the Visitor Design Pattern? [closed]
I keep seeing references to the visitor pattern in blogs but I've got to admit, I just don't get it. I read the wikipedia article for the pattern and I understand its mechanics but I'm still confused as to when I'd use it.
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Cannot delete directory with Directory.Delete(path, true)
I'm using .NET 3.5, trying to recursively delete a directory using:
30 Answers
30
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ActiveMQ or RabbitMQ or ZeroMQ or [closed]
We'd be interested to hear any experiences with the pros and cons of ActiveMQ vs RabbitMQ vs ZeroMQ. Information about any other interesting message queues is also welcome.
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Method chaining - why is it a good practice, or not?
Method chaining is the practice of object methods returning the object itself in order for the result to be called for another method. Like this:
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Android app in Eclipse: Edit text not showing on Graphical layout
I am trying to add a text field onto my Android app in Eclipse, but then I drag the Plain text option on to the graphical layout, a message at the bottom comes up. It reads
Exception raised during rendering: java.lang.System.arraycopy([CI[CII)V
Exception details are logged in Window > Show Vie...
getActivity() returns null in Fragment function
I have a fragment (F1) with a public method like this
15 Answers
15
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Ruby on Rails Server options [closed]
The whole issue of setting up a development server for my Ruby on Rails application confuses me. There are WEBrick, Mongrel, Passenger, Apache, Nginx and many more I am sure, and I don't really understand the different roles they play.
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