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Xcode: Build Failed, but no error messages

...port Navigator present in Navigator window. Open Navigator by pressing Hide/Show Navigator button present in top-left side of Xcode. Open Report Navigator by pressing last button present on list of buttons in Navigator window. Here you can view reasons either By Group or By Time ...
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How can I check whether a option already exist in select by JQuery

...h can be good for beginners. Certainly not the best answer, but it is a valid one. – roberthuttinger Apr 9 '13 at 14:42 1 ...
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Why am I seeing “TypeError: string indices must be integers”?

...de; the string indices are the ones in the square brackets, e.g., gravatar_id. So I'd first check your data variable to see what you received there; I guess that data is a list of strings (or at least a list containing at least one string) while it should be a list of dictionaries. ...
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Overwriting my local branch with remote branch [duplicate]

... I did this with one slight change and it didn't work: git fetch --all, git reset --hard SHA1OFANOLDCOMMIT, (some other stuff), git reset --hard origin/branch. The end result was that I was still at the old commit. So, this appro...
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How to reset a single table in rails?

... In case anyone tried this and got an error, I did ActiveRecord::Base.connection.execute("DELETE from 'yourtablename'") and it worked because it would give me an error that said sqlite_sequence where name = 'yourtablename' is not a valid table name or something like that. ...
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Rails: select unique values from a column

... I did a: group(:rating).collect { |r| r.rating } Since map == collect, where can I read about this sintax you used (&:rating)? I don't see this in Ruby's documentation. – alexandrecosta ...
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Tools to selectively Copy HTML+CSS+JS From A Specific Element of DOM [closed]

...n and play around with it locally, it would be a pain to copy all the individual elements and their associated CSS. And probably just as much work to save the entire source and cut out the unrelated code. ...
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How to detect input type=file “change” for the same file?

...t will erase the file path making it changeable every time. Example on jsFiddle. Or you can simply use .prop("value", ""), see this example on jsFiddle. jQuery 1.6+ prop Earlier versions attr share | ...
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How do I calculate a point on a circle’s circumference?

... trying to derive this equation for an hour now. Thanks. Who know the trig identities you learned in high school would be so helpful. – Isioma Nnodum May 28 '14 at 22:37 1 ...
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What does the @ symbol represent in objective-c?

... The @ character isn't used in C or C++ identifiers, so it's used to introduce Objective-C language keywords in a way that won't conflict with the other languages' keywords. This enables the "Objective" part of the language to freely intermix with the C or C++ par...