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Really weird eclipse keyboard behavior/bug?

I am using Helios on Mac Snow Leopard. I don't know why but all of a sudden my arrow keys and delete button start not working only on Eclipse (so Eclipse ignores them) but the rest of the buttons works just fine. There is no exception/error thrown anywhere on the screen. I don't exactly know how to ...
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Twitter image encoding challenge [closed]

If a picture's worth 1000 words, how much of a picture can you fit in 140 characters? 15 Answers ...
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What's the purpose of using braces (i.e. {}) for a single-line if or loop?

I'm reading some lecture notes of my C++ lecturer and he wrote the following: 23 Answers ...
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Integer.toString(int i) vs String.valueOf(int i)

I am wondering why the method String.valueOf(int i) exists ? I am using this method to convert int into String and just discovered the Integer.toString(int i) method. ...
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NOW() function in PHP

Is there a PHP function that returns the date and time in the same format as the MySQL function NOW() ? 20 Answers ...
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What's the best name for a non-mutating “add” method on an immutable collection?

Sorry for the waffly title - if I could come up with a concise title, I wouldn't have to ask the question. 74 Answers ...
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SortedList, SortedDictionary and Dictionary

I find that SortedList<TKey, TValue> SortedDictionary<TKey, TValue> and Dictionary<TKey, TValue> implement the same interfaces. ...
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Difference between declaring variables before or in loop?

I have always wondered if, in general, declaring a throw-away variable before a loop, as opposed to repeatedly inside the loop, makes any (performance) difference? A (quite pointless) example in Java: ...
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Write a function that returns the longest palindrome in a given string

I thought of a solution but it runs in O(n^2) time 22 Answers 22 ...
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How can I get every nth item from a List?

I'm using .NET 3.5 and would like to be able to obtain every * n *th item from a List. I'm not bothered as to whether it's achieved using a lambda expression or LINQ. ...