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Create a List of primitive int?

... add "int" into this list. When you add int to this list, it is automatically boxed to Integer wrapper type. But it is a bad idea to use raw type lists, or for any generic type for that matter, in newer code. I can add anything into this list. Of course, that is the dis-advantage of using r...
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How to get the nth occurrence in a string?

... I actually don't like this answer. Given an unbounded length input, it needlessly creates an unbounded length array, and then throws most of it away. It would be faster and more efficient just to iteratively use the fromIndex argum...
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no acceptable C compiler found in $PATH when installing python

I'm trying to install new python environment on my shared hosting. I follow the steps written in this post : 11 Answers ...
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How can I check whether an array is null / empty?

....println("array is empty"); } An alternative definition of "empty" is if all the elements are null: Object arr[] = new Object[10]; boolean empty = true; for (int i=0; i<arr.length; i++) { if (arr[i] != null) { empty = false; break; } } or Object arr[] = new Object[10]; boolean e...
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Centering controls within a form in .NET (Winforms)? [duplicate]

... Great, I never thought about quit all sides on Anchor property, now if I resize the control keeps centered. !great! – FabianSilva Mar 23 '12 at 13:52 ...
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Java - Method name collision in interface implementation

...gic in the method implementation that checks for which type of object the call is being made and invoke proper code ? 7 Ans...
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Structs versus classes

I'm about to create 100,000 objects in code. They are small ones, only with 2 or 3 properties. I'll put them in a generic list and when they are, I'll loop them and check value a and maybe update value b . ...
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How to merge every two lines into one from the command line?

...utput is ansi colored. Tested on Ubuntu 13.04 – Leo Gallucci Dec 9 '13 at 22:54 1 @elgalu: Becaus...
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How to check if a line is blank using regex

... Actually in multiline mode a more correct answer is this: /((\r\n|\n|\r)$)|(^(\r\n|\n|\r))|^\s*$/gm The accepted answer: ^\s*$ does not match a scenario when the last line is blank (in multiline mode). ...
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SSH Key - Still asking for password and passphrase

...ought I set it up. Is the ssh-agent something outside of git I need to install? Thanks – HelloWorld Jan 13 '14 at 15:50 2 ...