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How to set transform origin in SVG
...nsform uses the same notation as for SVGs, so the same six numbers in that order should work.
– Peter Collingridge
Aug 1 '14 at 11:17
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How do SQL EXISTS statements work?
...way:
For 'each' row from Suppliers, check if there 'exists' a row in the Order table that meets the condition Suppliers.supplier_id (this comes from Outer query current 'row') = Orders.supplier_id. When you find the first matching row, stop right there - the WHERE EXISTS has been satisfied.
The ...
Performance difference for control structures 'for' and 'foreach' in C#
...reach loop: 2005ms
Swapping them around to see if it deals with the order of things yields the same results (nearly).
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Order discrete x scale by frequency/value
... ggplot with discrete x scale, the x axis are now arranged in alphabetical order, but I need to rearrange it so that it is ordered by the value of the y-axis (i.e., the tallest bar will be positioned on the left).
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Disable hover effects on mobile browsers
...y, you can edit your page that there is no content change.
Background
In order to simulate a mouse, browsers such as Webkit mobile fire the following events if a user touches and releases a finger on touch screen (like iPad) (source: Touch And Mouse on html5rocks.com):
touchstart
touchmove
touch...
How is Python's List Implemented?
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@sepp I believe lists in Python are just ordered collections; the implementation and/or performance requirements of said implementation are not explicitly stated
– NullUserException
Oct 12 '10 at 18:05
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How do I automatically sort a has_many relationship in Rails?
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You can specify the sort order for the bare collection with an option on has_many itself:
class Article < ActiveRecord::Base
has_many :comments, :order => 'created_at DESC'
end
class Comment < ActiveRecord::Base
belongs_to :article
...
Given a view, how do I get its viewController?
...ne point, a view has only one view controller. Being able to get to it in order to pass a message back to it, should be an automatic feature, not one where you have to work to achieve (by adding a property to keep track). One could say the same thing about views: why do you need to know who child...
Best way to get InnerXml of an XElement?
...west methods being more than 3 times slower than the fastest.
The results ordered by fastest to slowest:
CreateReader - Instance Hunter (0.113 seconds)
Plain old System.Xml - Greg Hurlman (0.134 seconds)
Aggregate with string concatenation - Mike Powell (0.324 seconds)
StringBuilder - Vin (0.333 ...
How to crop an image in OpenCV using Python
...sand image loading if you do slicing. Whereas my code will still be on the order if MBs
– smttsp
May 17 at 13:15
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