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font-style: italic vs oblique in CSS
What is the difference between these two:
5 Answers
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Style child element when hover on parent
How to change the style of child element when there is hover on parent element. I would prefer a CSS solution for this if possible. Is there any solution possible through :hover CSS selectors. Actually I need to change color of options bar inside a panel when there is an hover on the panel.
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Explanation of JSONB introduced by PostgreSQL
PostgreSQL just introduced JSONB and it's already trending on hacker news . It would be great if someone could explain how it's different from Hstore and JSON previously present in PostgreSQL. What are its advantages and limitations and when should someone consider using it?
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Heroku/devise - Missing host to link to! Please provide :host parameter or set default_url_options[:
I am trying to push my app on heroku. I am still in dev.
I use devise with the confirmable module.
6 Answers
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How to get process ID of background process?
I start a background process from my shell script, and I would like to kill this process when my script finishes.
7 Answers...
How find all unused classes in Intellij Idea?
There is an inspection "Unused declaration" which can find all unused code in Intellij Idea. (see this question )
But I want to find all unused classes, not methods, variables etc. Only classes. (it is difficult to find only classes in 3000 result list). How I can do that?
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UIViewController viewDidLoad vs. viewWillAppear: What is the proper division of labor?
I have always been a bit unclear on the type of tasks that should be assigned to viewDidLoad vs. viewWillAppear : in a UIViewController subclass.
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MySQL CONCAT returns NULL if any field contain NULL
I have following data in my table "devices"
6 Answers
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How to set the title of DialogFragment?
This should be a simple task, but for some reason I can find a way to set the title of a DialogFragment . (I am setting the dialog contents using onCreateView overload).
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