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How to redirect to previous page in Ruby On Rails?
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In your edit action, store the requesting url in the session hash, which is available across multiple requests:
session[:return_to] ||= request.referer
Then redirect to it in your update action, after a successful save:
redirect_to...
How do I resolve ClassNotFoundException?
...ronments. We could say that all any program ever does is resolve such definitions... the question is always what/where is the definition and which version did you mean?
– masterxilo
Nov 23 '18 at 22:44
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How do I specify a pointer to an overloaded function?
I want to pass an overloaded function to the std::for_each() algorithm. For example,
6 Answers
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Return None if Dictionary key is not available
I need a way to get a dictionary value if its key exists, or simply return None , if it does not.
11 Answers
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index.php not loading by default
I have just installed CentOS, Apache and PHP. When I visit my site http://example.com/myapp/ , it says "forbidden". By default it's not loading the index.php file.
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How to schedule a function to run every hour on Flask?
I have a Flask web hosting with no access to cron command.
8 Answers
8
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Draw radius around a point in Google map
...hat behaves appropriately while zooming. I have no idea how to do that and it seems it's not something common.
6 Answers
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Create a submodule repository from a folder and keep its git commit history
... web application that explores other web applications in a particular way. It contains some web demos in a demos folder and one of the demo should now have it's own repository. I would like to create a separate repository for this demo application and make it a subpackage submodule from main r...
How do I put a clear button inside my HTML text input box like the iPhone does?
I want to have a nice little icon that, when clicked will clear the text in the box.
9 Answers
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Is there auto type inferring in Java?
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Answered before the question was EDITED :
No there is no auto variable type in Java. The same loop can be achieved as:
for ( Object var : object_array)
System.out.println(var);
Java has local variables, whose scope is within the block where they have bee...