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What's the Best Way to Shuffle an NSMutableArray?
If you have an NSMutableArray , how do you shuffle the elements randomly?
12 Answers
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How to select where ID in Array Rails ActiveRecord without exception
...s just avoiding the exception you are worried about, the "find_all_by.." family of functions works without throwing exceptions.
Comment.find_all_by_id([2, 3, 5])
will work even if some of the ids don't exist. This works in the
user.comments.find_all_by_id(potentially_nonexistent_ids)
case as...
How to implement OnFragmentInteractionListener
...here did not help, but the following link did:
http://developer.android.com/training/basics/fragments/communicating.html
Define an Interface
public class HeadlinesFragment extends ListFragment {
OnHeadlineSelectedListener mCallback;
// Container Activity must implement this interface
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How to make a edittext box in a dialog
I am trying to make a edittext box in a dialog box for entering a password.
and when I am doing I am not able to do. I am a beginner in it.
Please help me in this.
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SVN repository backup strategies
I'm new to SVN and I'd like to know what methods are available for backing up repositories in a Windows environment?
19 Ans...
Equation (expression) parser with precedence?
I've developed an equation parser using a simple stack algorithm that will handle binary (+, -, |, &, *, /, etc) operators, unary (!) operators, and parenthesis.
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How do I format a long integer as a string without separator in Java?
Simple question, but I'll bet that asking on here will probably be more straight forward than trying to understand the documentation for MessageFormat :
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How can I remove all text after a character in bash?
How can I remove all text after a character, in this case a colon (":"), in bash? Can I remove the colon, too? I have no idea how to.
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How do I declare class-level properties in Objective-C?
Maybe this is obvious, but I don't know how to declare class properties in Objective-C.
10 Answers
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Highlight all occurrence of a selected word?
How can I highlight all occurrence of a selected word in GVim, like in Notepad++?
15 Answers
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