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What is the difference between `after_create` and `after_save` and when to use which?

Are after_create and after_save the same as per functionality? 3 Answers 3 ...
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Difference between jQuery parent(), parents() and closest() functions

...ches the selector, up from the DOM tree. Begins from the current element and travels up. parent() selects one element up (single level up) the DOM tree. parents() method is similar to parent() but selects all the matching elements up the DOM tree. Begins from the parent element and tr...
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How to test if string exists in file with Bash?

...e. -q, --quiet, --silent         Quiet; do not write anything to standard output. Exit immediately with zero status if any match is found, even if an error was detected. Also see the -s or --no-messages option. Error handling As rightfully pointed out in the comments, the above approach ...
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How do I determine height and scrolling position of window in jQuery?

I need to grab the height of the window and the scrolling offset in jQuery, but I haven't had any luck finding this in the jQuery docs or Google. ...
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Xcode debugging - displaying images

I love using the Xcode debugger. You can take a look at a variable's value and even change it. 6 Answers ...
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Pipe to/from the clipboard in Bash script

... has a utility that lets you talk to it. In the case of X, there's xclip (and others). xclip -selection c will send data to the clipboard that works with Ctrl + C, Ctrl + V in most applications. If you're on Mac OS X, there's pbcopy. e.g cat example.txt | pbcopy If you're in Linux terminal mode (...
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How to get a string after a specific substring?

...ring.split("world",1)[1] split takes the word(or character) to split on and optionally a limit to the number of splits. In this example split on "world" and limit it to only one split. share | i...
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How to set SQL Server connection string?

... .NET DataProvider -- Standard Connection with username and password using System.Data.SqlClient; SqlConnection conn = new SqlConnection(); conn.ConnectionString = "Data Source=ServerName;" + "Initial Catalog=DataBaseName;" + "User id=UserNa...
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npm install vs. update - what's the difference?

What is the practical difference between npm install and npm update ? When should I use which? 5 Answers ...
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How to reload apache configuration for a site without restarting apache

... should be possible using the command sudo /etc/init.d/apache2 reload hope that helps share | improve this answer | follow ...