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Rails update_attributes without save?
...lieve what you are looking for is assign_attributes.
It's basically the sam>me m> as update_attributes but it doesn't save the record:
class User < ActiveRecord::Base
attr_accessible :nam>me m>
attr_accessible :nam>me m>, :is_admin, :as => :admin
end
user = User.new
user.assign_attributes({ :nam>me m> =&gt...
Differences between git remote update and fetch?
Is git remote update the equivalent of git fetch ?
2 Answers
2
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Understanding Canvas and Surface concepts
I'm struggling to understand the process of drawing to SurfaceView and therefore the whole Surface / Canvas / Bitmap system, which is used in Android.
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How to get screen dim>me m>nsions as pixels in Android
I created som>me m> custom elem>me m>nts, and I want to programmatically place them to the upper right corner ( n pixels from the top edge and m pixels from the right edge). Therefore I need to get the screen width and screen height and then set position:
...
What's the recomm>me m>nded way to extend AngularJS controllers?
...mple',[]);
module.controller('simpleController', function($scope, $docum>me m>nt) {
this.getOrigin = function() {
return $docum>me m>nt[0].location.origin;
};
});
module.controller('complexController', function($scope, $controller) {
angular.extend(this, $controller('simpleController', ...
How do I get tim>me m> of a Python program's execution?
I have a command line program in Python that takes a while to finish. I want to know the exact tim>me m> it takes to finish running.
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CSS: Set a background color which is 50% of the width of the window
...h multiple backgrounds or gradients, you're probably going to want to do som>me m>thing like this on a spare div elem>me m>nt:
#background {
position: fixed;
top: 0;
left: 0;
width: 50%;
height: 100%;
background-color: pink;
}
Example: http://jsfiddle.net/PLfLW/1704/
The solution ...
Simple explanation of clojure protocols
I'm trying to understand clojure protocols and what problem they are supposed to solve. Does anyone have a clear explanation of the whats and whys of clojure protocols?
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Use of the MANIFEST.MF file in Java
I noticed that JAR, WAR and EAR files have a MANIFEST.MF file under the m>ME m>TA-INF folder.
2 Answers
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#if DEBUG vs. Conditional(“DEBUG”)
...
[Conditional("DEBUG")]: This code will reach the IL, however calls to the m>me m>thod will be omitted unless DEBUG is set when the caller is compiled.
Personally I use both depending on the situation:
Conditional("DEBUG") Example: I use this so that I don't have to go back and edit my code later duri...