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Wrapping synchronous code into asynchronous call
I have a method in ASP.NET application, that consumes quite a lot of time to complete. A call to this method might occur up to 3 times during one user request, depending on the cache state and parameters that user provides. Each call takes about 1-2 seconds to complete. The method itself is synchron...
Twitter bootstrap float div right
...ootstrap to float a div to the right? I thought pull-right was the recommend way, but it is not working.
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Why is my Spring @Autowired field null?
... isn't magic, and it has no way of knowing about Java objects unless you somehow inform it of them. When you call new, the JVM instantiates a copy of the new object and hands it straight to you--it never goes through the configuration process. There are three ways that you can get your beans configu...
Why is Java's Iterator not an Iterable?
...ies that one may obtain an iterator from an object to traverse over its elements - and there's no need to iterate over a single instance, which is what an iterator represents.
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What does !! mean in ruby?
..., so it's usually best to let that convention stand.
Think of it as
!(!some_val)
One thing that is it used for legitimately is preventing a huge chunk of data from being returned. For example you probably don't want to return 3MB of image data in your has_image? method, or you may not want to r...
How do I reference an existing branch from an issue in GitHub?
Let's say I have a branch named feature/1 . And also issue #1. I want to link that branch to that issue.
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What does 'const static' mean in C and C++?
I saw this in some code here on StackOverflow and I couldn't figure out what it does. Then I saw some confused answers on other forums. My best guess is that it's used in C to hide the constant foo from other modules. Is this correct? If so, why would anyone use it in a C++ context where you can j...
Guava: Why is there no Lists.filter() function?
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It wasn't implemented because it would expose a perilous large number of slow methods, such as #get(index) on the returned List view (inviting performance bugs). And ListIterator would be a pain to implement as well (though I submitted a pa...
When using Spring Security, what is the proper way to obtain current username (i.e. SecurityContext)
...a Spring MVC web app which uses Spring Security. I want to know the username of the currently logged in user. I'm using the code snippet given below . Is this the accepted way?
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What is an OS kernel ? How does it differ from an operating system? [closed]
...s an operating system in that sense.
The end-user definition is usually something around "a software package that provides a desktop, shortcuts to applications, a web browser and a media player". A kernel doesn't match that definition.
So for an end-user a Linux distribution (say Ubuntu) is an Ope...