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Eager load polymorphic
...w you join a table named by the value stored in a column. By defining the extra relationship belongs_to :shop, you are giving ActiveRecord the information it needs to complete the join.
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How do I focus on one spec in jasmine.js?
... its a good tip, but currently it isn't in jasmine. this is allowed by test runners like karma. for more info read on: github.com/pivotal/jasmine/pull/309
– p1100i
Aug 12 '14 at 9:08
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How can I scale an image in a CSS sprite
...http://css-tricks.com/css-sprites/ , it talks about how can I crop off a smaller image from 1 bigger image. Can you please tell me if it is possible/how I can crop off a smaller image and then scale the cropped off region before I lay it out?
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What is the difference between __dirname and ./ in node.js?
When programming in Node.js and referencing files that are located somewhere in relation to your current directory, is there any reason to use the __dirname variable instead of just a regular ./ ? I've been using ./ thus far in my code and just discovered the existence of __dirname , and essenti...
Converting newline formatting from Mac to Windows
...mand: sed $'s/\r$//' Explanation: bash decodes backslash-escapes in $'...' strings. See gnu.org/software/bash/manual/html_node/ANSI_002dC-Quoting.html for details.
– jcsahnwaldt Reinstate Monica
Jan 22 '19 at 1:41
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Fastest exit strategy for a Panic Button in Crisis/Abuse Websites? [closed]
...on. A better suggestion would be a bigger and more explicit banner, not an extra tab. Stop thinking about this problem from an experienced developer or superuser's perspective that has mastered keyboard shortcuts. My mom wouldn't care, or more explicitly, won't understand keyboard shortcuts, and thi...
Find UNC path of a network drive?
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What a practical and quick solution for all of us in corporate lock-down environments! Much appreciated workaround!
– Marcus Mangelsdorf
Sep 17 '19 at 13:14
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Python dictionary: Get list of values for list of keys
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A couple of other ways than list-comp:
Build list and throw exception if key not found: map(mydict.__getitem__, mykeys)
Build list with None if key not found: map(mydict.get, mykeys)
Alternatively, using operator.itemgetter can return a tuple:
from operator import itemget...
Change the image source on rollover using jQuery
...show/hide the rollover image when the onmousemove/onmouseout event happen. All my image names follow the same pattern, like this:
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Nested Models in Backbone.js, how to approach
...n modify the parse method to change a attributes around in the object, but all of that is actually pretty unmaintainable code IMO, and feels more of a hack than a solution.
Here's what I suggest for your example:
First define your Layout Model like so.
var layoutModel = Backbone.Model.extend({});...