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Rails update_attributes without save?
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I believe what you are looking for is assign_attributes.
It's basically the same as update_attributes but it doesn't save the record:
class User < ActiveRecord::Base
attr_accessible :name
attr_accessible :name, :is_admin, :as => :admin
end
user = User.new
user.assign_attributes({...
Responsively change div size keeping aspect ratio [duplicate]
...tio, but if I want the same effect with another element, is it possible at all to tie the width and the height together using percentage?
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Android canvas draw rectangle
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Actually this is what I need screencast.com/t/oFYF5kGtw5B that red rectangle after I draw all just to add that rectangle is that possible?
– Kec
Sep 8 '11 at 9:22
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jQuery Mobile: document ready vs. page events
...date:
My original article was intended for old way of page handling, basically everything before jQuery Mobile 1.4. Old way of handling is now deprecated and it will stay active until (including) jQuery Mobile 1.5, so you can still use everything mentioned below, at least until next year and jQuery...
Can you help me understand Moq Callback?
Using Moq and looked at Callback but I have not been able to find a simple example to understand how to use it.
5 Answers...
How to display line numbers in 'less' (GNU)
...re you aware of that do(es) not support it?
– Aaron Hall♦
Aug 22 '17 at 21:01
I usually use nl instead of cat -n
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How do I get ruby to print a full backtrace instead of a truncated one?
When I get exceptions, it is often from deep within the call stack. When this happens, more often than not, the actual offending line of code is hidden from me:
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How to find the largest file in a directory and its subdirectories?
...n X" instead of the only "head" above to print the top X largest files (in all the above examples)
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Google Developer Tools “Network” Tab clears after redirect
...er redirect to another page and i want to know if there is any way to keep all request?
1 Answer
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Why do I need Transaction in Hibernate for read-only operations?
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You might actually have reasons to mark transactions as read-only.
Transactions for reading might look indeed strange and often people don't mark methods for transactions in this case. But JDBC will create transaction anyway, it's just i...