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NoClassDefFoundError - Eclipse and Android
I'm having a problem trying to run an Android app which, up until adding a second external library to its build path, was working fine. Since having added the scoreninja jar, I now get a NoClassDefFoundError when I try to run the app.
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Creating an API for mobile applications - Authentication and Authorization
...he initial/primary purpose will be for consumption by mobile apps (iPhone, Android, Symbian, etc). I've been looking into different mechanisms for authentication and authorization for web-based APIs (by studying other implementations). I've got my head wrapped around most of the fundamental concep...
Optimistic vs. Pessimistic locking
I understand the differences between optimistic and pessimistic locking. Now could someone explain to me when I would use either one in general?
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What does appending “?v=1” to CSS and Javascript URLs in link and script tags do?
...ing at a HTML 5 boilerplate template (from http://html5boilerplate.com/ ) and noticed the use of "?v=1" in URLs when referring to CSS and Javascript files.
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Why prefer two's complement over sign-and-magnitude for signed numbers?
...der to represent -1 in binary, two's complement is used: flipping the bits and adding 1?
18 Answers
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Best practice multi language website
... before. Right now, I feel like it's time to get to know the possibilities and create my own personal preference to use in my upcoming projects.
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How to get the current date/time in Java [duplicate]
...UNIX epoch (as a Java long). This value is a delta from a UTC time-point, and is independent of the local time-zone ... assuming that the system clock has been set correctly.
If you want the date / time in a form that allows you to access the components (year, month, etc) numerically, you could use...
What is the meaning and difference between subject, user and principal?
...ntext of security frameworks, a few terms commonly occur subject , user and principal , of which I have not been able to find a clear definition and the difference between them.
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Using Phonegap for Native Application development [closed]
...ch claims that developers can use HTML 5 based framework like Sencha touch and Jquery at the same time
having access to native features on phone. Also the code is portable from Android to Iphone with some effort. Before I plunge into it I want to know what is forum's experience with Phonegap. What ...
Which characters make a URL invalid?
...s above: /^[!#$&-;=?-[]_a-z~]+$/
– Leif Wickland
Oct 7 '11 at 17:01
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