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How can I apply styles to multiple classes at once?

... was looking for. You can also then have a second, separate entry for .abc and/or .xyz for properties you don't want to apply to both e.g. .xyz {font-weight: bold;} will combine to make .xyz bold and margin-left'ed by 20px but .abc only margin-left'ed. – RyanfaeScotland ...
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How does Rails keep track of which migrations have run for a database?

...runs a migration, it takes the leading digits in the migration's file name and inserts a row for that "version", indicating it has been run. If you roll back that migration, Rails will delete the corresponding row from schema_migrations. For example, running a migration file named 20120620193144_cr...
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Detect Safari browser

How to detect Safari browser using JavaScript? I have tried code below and it detects not only Safari but also Chrome browser. ...
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How to get error message when ifstream open fails

... another system call triggers an error between the execution of the f.open and use of errno. On system with POSIX standard: errno is thread-local; setting it in one thread does not affect its value in any other thread. Edit (thanks to Arne Mertz and other people in the comments): e.wha...
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Git remote branch deleted, but still it appears in 'branch -a'

...ary? Seems really bad to leave these non-existent branch names in the list and not automatically prune them. – akronymn Feb 27 '17 at 20:20 add a comment  |...
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File Upload ASP.NET MVC 3.0

...="file" name="file" /> <input type="submit" value="OK" /> } and then you would have a controller to handle the upload: public class HomeController : Controller { // This action renders the form public ActionResult Index() { return View(); } // This action...
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Get Selected index of UITableView

...is useful for me to have access to long pathRow = [selectedIndexPath row]; and long pathSection = [selectedIndexPath section]; when you need specific selections (note that NSInteger is a typedef long which coming from a C background makes more sense since both need %ld anyway. –...
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How to only get file name with Linux 'find'?

... paths. However, I need only file names. i.e. I get ./dir1/dir2/file.txt and I want to get file.txt 10 Answers ...
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Viewing full version tree in git

I am using the command line version of Git and gitk. I want to see the full version tree, not just the part that is reachable from the currently checked out version. Is it possible? ...
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What does [STAThread] do?

I am learning C# 3.5 and I want to know what [STAThread] does in our programs? 3 Answers ...