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You have already activated X, but your Gemfile requires Y
...to do this.
Basically what's happening is that you've updated rake to 0.9.2 which now conflicts with the version specified in your Gemfile. Previously the latest version of rake you had matched the version in your Gemfile, so you didn't get any warning when simply using rake.
Yehuda Katz (one of t...
Converting array to list in Java
...ith the Arrays.asList utility method.
Integer[] spam = new Integer[] { 1, 2, 3 };
List<Integer> list = Arrays.asList(spam);
See this code run live at IdeOne.com.
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What is a good Java library to zip/unzip files? [closed]
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I know its late and there are lots of answers but this zip4j is one of the best libraries for ...
What is the difference between an int and an Integer in Java and C#?
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26 Answers
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How do I compile and run a program in Java on my Mac?
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edited Mar 2 '10 at 5:44
answered Mar 2 '10 at 5:30
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Is “else if” a single keyword?
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They are not a single keyword if we go to the draft C++ standard section 2.12 Keywords table 4 lists both if and else separately and there is no else if keyword. We can find a more accessible list of C++ keywords by going to cppreferences section on keywords.
The grammar in section 6.4 also make...
Overriding == operator. How to compare to null? [duplicate]
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255
Use object.ReferenceEquals(person1, null) instead of the == operator:
public static bool oper...
Uncaught TypeError: undefined is not a function on loading jquery-min.js
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answered Jun 4 '12 at 15:42
DustinDustin
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Array.Copy vs Buffer.BlockCopy
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edited Feb 15 '17 at 12:09
Ajay
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answered Sep...