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How to check in Javascript if one element is contained within another

... Update: There's now a native way to achieve this. Node.contains(). Mentioned in comment and below answers as well. Old answer: Using the parentNode property should work. It's also pretty safe from a cross-browser standpoint. If the relatio...
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Android Studio/Intellij Idea: “Table of Contents” for a class

...ough is this lack of "Table of Contents" for a class. I apologize for not knowing exactly what to call it. But what I am referring to is the dropdown menu in eclipse that lists all the methods, interfaces, classes and so on that are in that class file. This then allows you to jump to that position. ...
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How to remove a field from params[:something]

...hash from scratch. This is why @Gaul said it is a bad idea. In Rails 5 you now have params.except method and also extract! – rmcsharry Sep 26 '16 at 21:05  ...
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How do I add more members to my ENUM-type column in MySQL?

... of countries which would make for a rather large and awkward enum. EDIT: Now that I can see your error message: ERROR 1265 (01000): Data truncated for column 'country' at row 1. I suspect you have some values in your country column that do not appear in your ENUM. What is the output of the follo...
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Django: How to completely uninstall a Django app?

...py makemigrations -n drop_all_tables my_app_to_remove The directory looks now like this: my_app_to_remove/ my_app_to_remove/__init__.py my_app_to_remove/migrations my_app_to_remove/migrations/0001_initial.py my_app_to_remove/migrations/.... my_app_to_remove/migrations/0030_drop_all_tables.py my_ap...
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How do I uninstall nodejs installed from pkg (Mac OS X)?

I installed NodeJS from pkg file on my Mac. Now I need to uninstall it. Tell me please how to do it. I tried to remove files from this list: ...
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Python 3 ImportError: No module named 'ConfigParser'

... A moving target on this one but I use pip3 install mysql-connector. Now available from MySQL for python3 support. release at time of typing is 2.1.3. – Longmang Jun 7 '16 at 9:42 ...
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How to use permission_required decorators on django class-based views

...sion_required() and the login_required attribute in the view, but I don't know how to do this on the new views. Is there some section in the django docs explaining this? I didn't found anything. What is wrong in my code? ...
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How to work with Git branches and Rails migrations

... @pisaruk I know you answered this six years ago, but reading I'm curious what an example of a non-reversible migration would be. I'm having a hard time imagining a situation. I guess the simplest would be a dropped column containing a ...
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What is the best way to detect a mobile device?

...ackberry|iemobile|opera mini/i.test(navigator.userAgent.toLowerCase())); Now $.browser will return "device" for all above devices Note: $.browser removed on jQuery v1.9.1. But you can use this by using jQuery migration plugin Code A more thorough version: var isMobile = false; //initiate as f...