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How can I tell which homebrew formulae are upgradable?

I know when I brew update , it lists all ==> Updated Formulae , but when I've updated several times without running brew upgrade , how do I get a list of all apps that could be upgraded? ...
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sed beginner: changing all occurrences in a folder

I need to do a regex find and replace on all the files in a folder (and its subfolders). What would be the linux shell command to do that? ...
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What are the most common SQL anti-patterns? [closed]

All of us who work with relational databases have learned (or are learning) that SQL is different. Eliciting the desired results, and doing so efficiently, involves a tedious process partly characterized by learning unfamiliar paradigms, and finding out that some of our most familiar programming p...
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Event on a disabled input

... However, Firefox doesn't exhibit this behaviour, it just does nothing at all when you click on a disabled element. I can't think of a better solution but, for complete cross browser compatibility, you could place an element in front of the disabled input and catch the click on that element. Here...
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Can I safely delete contents of Xcode Derived data folder?

... Yes, you can delete all files from DerivedData sub-folder (Not DerivedData Folder) directly. That will not affect your project work. Contents of DerivedData folder is generated during the build time and you can delete them if you want. It's no...
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In MySQL queries, why use join instead of where?

...le about using strict typing whenever possible. Explicit is almost universally better. Conclusion Short of familiarity and/or comfort, I don't see any benefit to continuing to use the ANSI-89 WHERE clause instead of the ANSI-92 JOIN syntax. Some might complain that ANSI-92 syntax is more verb...
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Bootstrap 3 Navbar Collapse

... "expands" when it reaches a certain minimum size. Bootstrap 3's site actually has a "hint" as to what to do: http://getbootstrap.com/components/#navbar Customize the collapsing point Depending on the content in your navbar, you might need to change the point at which your navbar switches...
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CSS – why doesn’t percentage height work? [duplicate]

...s house?</p> </div> </div> #inner will grow to be tall enough to contain the paragraph and #outer will grow to be tall enough to contain #inner. When you specify the height or width as a percentage, that's a percentage with respect to the element's parent. In the case of wid...
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Are std::vector elements guaranteed to be contiguous?

...e in the middle take linear time. Storage management is handled automatically, though hints can be given to improve efficiency. The elements of a vector are stored contiguously, meaning that if v is a vector where T is some type other than bool, then it obeys the identity &v[n] == &v[0...
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Why is Android Studio reporting “URI is not registered”? [closed]

So I've given Android Studio a try, because I really like Resharper and noticed that the IDE had some of their functionality built into it. Having now created a default new project, I added a new layout file and wanted to change the existing default 'hello world' example layout, and I got an "URI is...