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Animate scrollTop not working in firefox

...llback to be invoked twice. Browser-detection features have been suggested and subsequently deprecated, and some are arguably rather far-fetched. If the callback is idempotent and doesn't require a lot of computing power, firing it twice may be a complete non-issue. If multiple invocations of the c...
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What's the fuss about Haskell? [closed]

...programmers who keep talking about Haskell when they are among themselves, and here on SO everyone seems to love that language. Being good at Haskell seems somewhat like the hallmark of a genius programmer. ...
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What's the difference between JPA and Hibernate? [closed]

I understand that JPA 2 is a specification and Hibernate is a tool for ORM. Also, I understand that Hibernate has more features than JPA 2. But from a practical point of view, what really is the difference? ...
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Difference between git pull and git pull --rebase

I started using git sometime back and do not fully understand the intricacies. My basic question here is to find out the difference between a git pull and git pull --rebase , since adding the --rebase option does not seem to do something very different : just does a pull. ...
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将 App Inventor 2 项目连接到外部传感器 · App Inventor 2 中文网

...rgraduate Advanced Project in the MIT Department of Electrical Engineering and Computer Science. Funding to support this work was provided by Google ATAP Introduction App Inventor is a visual “blocks” based language for programming Android apps. It gives users the ability to easily learn, crea...
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Best GWT widget library? [closed]

...the GWT gurus out there - which is the best GWT widgets library out there? And why? 27 Answers ...
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Why would one use the Publish/Subscribe pattern (in JS/jQuery)?

... It’s all about loose coupling and single responsibility, which goes hand to hand with MV* (MVC/MVP/MVVM) patterns in JavaScript which are very modern in the last few years. Loose coupling is an Object-oriented principle in which each component of the sys...
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what is the difference between a portlet and a servlet?

I am asked to work on portlets and portals. 5 Answers 5 ...
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How to read a large file - line by line?

... for line in f: # Do something with 'line' The with statement handles opening and closing the file, including if an exception is raised in the inner block. The for line in f treats the file object f as an iterable, which automatically uses buffered I/O and memory management so you don't ...
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Running Internet Explorer 6, Internet Explorer 7, and Internet Explorer 8 on the same machine

Like everyone else, I need to test my code on Internet Explorer 6 and Internet Explorer 7. Now Internet Explorer 8 has some great tools for developer, which I'd like to use. I'd also like to start testing my code with Internet Explorer 8, as it will soon be released. ...