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Error while installing json gem 'mkmf.rb can't find header files for ruby'

...ols ruby -rrbconfig -e 'puts RbConfig::CONFIG["rubyhdrdir"]' This should now correctly print /Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk/System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/include/ruby-2.3.0 Likewise, gem install should work while that SDK is selected. To sw...
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What is the shortcut to Auto import all in Android Studio?

... Note that in my Android Studio 1.4, Auto Import now under General (Android Studio --> Preferences --> Editors --> General --> Auto Import) share | im...
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How to maintain aspect ratio using HTML IMG tag

... This makes no sense for dynamic applications. It is not known whether width or height will be at 64px, as it depends on the ratio of the image. Why is this the upvoted response? – Koenigsberg Jul 31 '18 at 8:45 ...
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“Parse Error : There is a problem parsing the package” while installing Android application

...roblem does not exists with the rebuilt version of your old code then you know it must be something to do with your code. I hope that gets you somewhere. Cheers, Joseph share | improve this answer...
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Access parent URL from iframe

... Okay well that just blows. But at least I know I'm not going crazy :( ah well, plan B. thanks. (and sorry about not putting my stuff in tags, thanks for the edit) – chronofwar Aug 5 '10 at 23:55 ...
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Library not loaded: libmysqlclient.16.dylib error when trying to run 'rails server' on OS X 10.6 wit

... This has somehow reset mysql's privileges and now I am unable to login...even after performing a password reset using a file as described in the mysql docs. – Coderama Feb 6 '11 at 6:31 ...
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iphone/ipad: How exactly use NSAttributedString?

Yes, many people are saying about Rich Text in iPhone/iPad and many knows about NSAttributedString . 9 Answers ...
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Django Forms: if not valid, show form with error message

... yes you got it right now. If you have not rendered the form manually then the errors will automatically shown for each field. – Aamir Adnan Feb 1 '13 at 14:00 ...
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How to check if an element is in an array

...rch through the book turned up nothing. Any idea how to check for this? I know that there is a method find that returns the index number, but is there a method that returns a boolean like ruby's #include? ? ...
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How to Unit test with different settings in Django?

... I'd say this is the best way of doing this now in Django 1.4+ – Michael Mior Jun 28 '13 at 12:59 ...