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What are the mathematical/computational principles behind this game?

...o lines meet in exactly one point (this is a bit different from Euclid). Now, add "finite" into the soup and you have the question: Can we have a geometry with just 2 points? With 3 points? With 4? With 7? There are still open questions regarding this problem but we do know this: If there are ...
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Ant task to run an Ant target only if a file exists?

Is there an ANT Task that would execute a block only if a given file exists? I have the problem that I have a generic ant script that should do some special processing but only if a specific configuration file is present. ...
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Download multiple files with a single action

I am not sure if this is possible using standard web technologies. 19 Answers 19 ...
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Using the Android Application class to persist data

...vity. Based on my findings, the Application class does not have the same life-cycle (i.e. it is, for all intents and purposes, always instantiated). Does it make sense to store the state information inside of the application class and then reference it from the Activity, or is that generally not t...
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Installed Java 7 on Mac OS X but Terminal is still using version 6

...und by Spotlight on my box. Running 10.8.5. – quickshiftin Dec 9 '13 at 18:58 1 You can find the ...
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How to read/write from/to file using Go?

...nc main() { // open input file fi, err := os.Open("input.txt") if err != nil { panic(err) } // close fi on exit and check for its returned error defer func() { if err := fi.Close(); err != nil { panic(err) } }() // open output file...
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How do I use cascade delete with SQL Server?

...raint_object_id AND t.OBJECT_ID = fc.referenced_object_id ORDER BY 1 And if you ever find that you can't DROP a particular table due to a Foreign Key constraint, but you can't work out which FK is causing the problem, then you can run this command: sp_help 'TableName' The SQL in that article li...
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Why shouldn't I use “Hungarian Notation”?

I know what Hungarian refers to - giving information about a variable, parameter, or type as a prefix to its name. Everyone seems to be rabidly against it, even though in some cases it seems to be a good idea. If I feel that useful information is being imparted, why shouldn't I put it right there wh...
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How can I check if a URL exists via PHP?

...for a response. All code might (and probably will) halt untill you either know the result or the requests have timed out. For example: the code below could take a LONG time to display the page if the urls are invalid or unreachable: <?php $urls = getUrls(); // some function getting say 10 or more...
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Moq: Invalid setup on a non-overridable member: x => x.GetByTitle(“asdf”)

...ne something like this: _mockArticleDao = new Mock<ArticleDAO>(); If you want to keep it as so, you need to mark the GetArticle method virtual: public class ArticleDAO : GenericNHibernateDAO(IArticle, int>, IArticleDAO { public virtual IArticle GetByTitle(string title) { ...