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Recommended SQL database design for tags or tagging [closed]

...rd of a few ways to implement tagging; using a mapping table between TagID and ItemID (makes sense to me, but does it scale?), adding a fixed number of possible TagID columns to ItemID (seems like a bad idea), Keeping tags in a text column that's comma separated (sounds crazy but could work). I've e...
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Perl build, unit testing, code coverage: A complete working example

...ackoverflow answers that I have found in regards to the Perl build process and unit testing and code coverage simply point me to CPAN for the documentation there. There's absolutely nothing wrong with pointing to CPAN modules because that's where the full documentation is supposed to reside. I've ...
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ios simulator: how to close an app

When you "run" the simulator from xCode, the app automatically launches, and then you can click the home button to suspend the app. What I want to do is close the app from within the simulator. So, how can this be done? ...
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Auto increment primary key in SQL Server Management Studio 2012

... Make sure that the Key column's datatype is int and then setting identity manually, as image shows Or just run this code -- ID is the name of the [to be] identity column ALTER TABLE [yourTable] DROP COLUMN ID ALTER TABLE [yourTable] ADD ID INT IDENTITY(1,1) the co...
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Where to place $PATH variable assertions in zsh?

I love zsh , but I am not sure where to place my $PATH and other variable assertions? I find that they are scattered between the files .zshrc .zprofile .bashrc .bash_profile , and sometimes doubled. ...
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Landscape printing from HTML

I have a HTML report, which needs to be printed landscape because of the many columns. It there a way to do this, without the user having to change the document settings? ...
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Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?

...ng functions, time , clock getrusage , clock_gettime , gettimeofday and timespec_get , I want to understand clearly how they are implemented and what are their return values in order to know in which situation I have to use them. ...
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Start/Stop and Restart Jenkins service on Windows

... Open Console/Command line --> Go to your Jenkins installation directory. Execute the following commands respectively: to stop: jenkins.exe stop to start: jenkins.exe start to restart: jenkins.exe restart ...
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What's the difference between IQueryable and IEnumerable

...ry IEnumerables using the Linq extensions. So what is this IQueryable and how does it differ? 7 Answers ...
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Create an Android Jar library for distribution

I know of Android Library projects, which allow you to create a shared-source project that can be pulled into Android Applications as needed. However, that requires that source be available. ...