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MySQL: Invalid use of group function

I am using MySQL. Here is my schema: 2 Answers 2 ...
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Version vs build in Xcode

I have an app that I developed with Xcode 3 and recently started editing with Xcode 4. In the target summary I have the iOS application target form with fields: identifier, version, build, devices, and deployment target. The version field is blank and the build field is 3.4.0 (which matches the vers...
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How does Rails keep track of which migrations have run for a database?

According to Rails doc: http://guides.rubyonrails.org/migrations.html 1 Answer 1 ...
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Turn off iPhone/Safari input element rounding

My website renders well on the iPhone/Safari browser, with one exception: My text input fields have a weird rounded style which doesn't look good at all with the rest of my website. ...
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How do I make jQuery wait for an Ajax call to finish before it returns?

I have a server side function that requires login. If the user is logged in the function will return 1 on success. If not, the function will return the login-page. ...
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How to find an element by matching exact text of the element in Capybara

I have following two elements in HTML 6 Answers 6 ...
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How to redirect Valgrind's output to a file?

While working with Valgrind tool, i need to log the details produced by valgrind tool. How can I accomplish that? I tried something like, ...
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How to delete a folder and all contents using a bat file in windows?

I want to delete a folder with all files and subfolders using a bat file. 3 Answers 3...
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CSS text-overflow in a table cell?

I want to use CSS text-overflow in a table cell, such that if the text is too long to fit on one line, it will clip with an ellipsis instead of wrapping to multiple lines. Is this possible? ...
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How to check if anonymous object has a method?

How can I check if an anonymous object that was created as such: 6 Answers 6 ...