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Save ArrayList to SharedPreferences

...Set the values Set<String> set = new HashSet<String>(); set.addAll(listOfExistingScores); scoreEditor.putStringSet("key", set); scoreEditor.commit(); You can also serialize your ArrayList and then save/read it to/from SharedPreferences. Below is the solution: EDIT: Ok, below is the sol...
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MySQL: selecting rows where a column is null

... NULL = NULL is not really FALSE - it's NULL again. But it's not TRUE either, so IF(NULL = NULL) won't execute. – Konerak Jan 12 '11 at 19:50 ...
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Moq: Invalid setup on a non-overridable member: x => x.GetByTitle(“asdf”)

... because the call to GetArticleDAO from the factory returns ArticleDAO not IArticleDAO, b/c articleDAO also binds to an abstract class that has nhibernate stuff in it. – mrblah Dec 25 '09 at 21:57 ...
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How to execute a Python script from the Django shell?

...es, it's a good idea to set it up as a custom command ie $ ./manage.py my_command to do this create a file in a subdir of management and commands of your app, ie my_app/ __init__.py models.py management/ __init__.py commands/ __init__.py my_co...
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How do I resolve configuration errors with Nant 0.91?

...xtracted from the Nant 0.91 archive. (This made no sense to me until I actually tried it, but it does actually work...) Source : http://surfjungle.blogspot.com/2011/11/tip-running-nant-091-on-windows-7.html I found that the problem was Windows 7 security related in that the downloaded NAnt 0.91...
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How does the const constructor actually work?

... Const constructor creates a "canonicalized" instance. That is, all constant expressions begin canonicalized, and later these "canonicalized" symbols are used to recognize equivalence of these constants. Canonicalization: A process for converting data that has more than one possible rep...
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Uninstall Node.JS using Linux command line?

How do you uninstall node.js using the cmd line in linux? 14 Answers 14 ...
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How to add a button dynamically in Android?

...d(R.id.buttonlayout); LayoutParams lp = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT); ll.addView(myButton, lp); Have a look to this example share | improve this answer ...
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What is the difference between “text” and new String(“text”)?

... a reference to an instance of class String, and is derived from a CONSTANT_String_info structure (§4.4.3) in the binary representation of a class or interface. The CONSTANT_String_info structure gives the sequence of Unicode code points constituting the string literal. The Java programming la...
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Why would one omit the close tag?

...e file (and possibly some other factors I don't want to bore you with). Finally, many PHP frameworks including Symfony, Zend and Laravel (there is no mention of this in the coding guidelines but it follows the suit) and the PSR-2 standard (item 2.2) require omission of the closing tag. PHP manual it...