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What to do about Eclipse's “No repository found containing: …” error messages?

...n Linux to which I added the subversive plugins, the m2e Maven integration and the Mylin connector for Trac. For the last couple of weeks I've been trying to install updates, and every time I get back a message like ...
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How do I use boolean variables in Perl?

... @BlueWaldo: you can also use cmp and <=> when comparing and assigning the results of the comparison to a scalar. $var = $var1 cmp $var2; 'cmp' and '<=>' (used for numeric comparisons) returns -1, 0, or 1 if left argument is less than, equal to,...
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How to model type-safe enum types?

... problems Schildmeijer mentioned. So do "object foo extends App { ... }" And you have immediate access to command-line arguments through the args variable. – AmigoNico Jul 25 '12 at 2:55 ...
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How to validate an email address in JavaScript

... for "RFC822" or "RFC2822" to get a proper regex. – Randal Schwartz Sep 8 '10 at 2:34 45 This doe...
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How do Python's any and all functions work?

I'm trying to understand how the any() and all() Python built-in functions work. 8 Answers ...
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How does the static modifier affect this code?

...n, 2. Execution In identification phase all static variables are detected and initialized with default values. So now the values are: A obj=null num1=0 num2=0 The second phase, execution, starts from top to bottom. In Java, the execution starts from the first static members. Here your first static...
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C# Regex for Guid

I need to parse through a string and add single quotes around each Guid value. I was thinking I could use a Regex to do this but I'm not exactly a Regex guru. ...
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What does this square bracket and parenthesis bracket notation mean [first1,last1)?

I have seen number ranges represented as [first1,last1) and [first2,last2) . 4 Answers ...
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Should I use 'border: none' or 'border: 0'?

Which of the two methods conforms to W3C standards? Do they both behave as expected across browsers? 13 Answers ...
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What optimizations can GHC be expected to perform reliably?

...ut I don't know what they all are, nor how likely they are to be performed and under what circumstances. 3 Answers ...