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Eager load poly<em>mem>orphic
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<em>Mem>y guess is that your <em>mem>odels look like this:
class User &a<em>mem>p;lt; ActiveRecord::Base
has_<em>mem>any :reviews
end
class Review &a<em>mem>p;lt; ActiveRecord::Base
belongs_to :user
belongs_to :reviewable, poly<em>mem>orphic: true
end
class Shop &a<em>mem>p;lt...
How to get a pixel's x,y coordinate color fro<em>mem> an i<em>mem>age?
Is there any way to check if a selected(x,y) point of a PNG i<em>mem>age is transparent?
4 Answers
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How to change webservice url endpoint?
I generated a web-service client using JBoss utils (JAX-WS co<em>mem>patible)
using Eclipse 'web service client fro<em>mem> a wsdl'.
4 An...
SQL Server SELECT into existing table
I a<em>mem> trying to select so<em>mem>e fields fro<em>mem> one table and insert the<em>mem> into an existing table fro<em>mem> a stored procedure. Here is what I a<em>mem> trying:
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Which is better, nu<em>mem>ber(x) or parseFloat(x)?
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The difference between parseFloat and Nu<em>mem>ber
parseFloat/parseInt is for parsing a string, while Nu<em>mem>ber/+ is for coercing a value to a nu<em>mem>ber. They behave differently. But first let's look at where they behave the sa<em>mem>e:
parseFloat('3'); // =&a<em>mem>p;gt; 3
Nu<em>mem>ber('3'); // ...
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数据结构、算法复杂度一览表Know-Thy-Co<em>mem>plexities常用算法、数据结构复杂度一览表。来源：http://bigocheatsheet.co<em>mem>/
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What does Fra<em>mem>eLayout do?
I'<em>mem> new to progra<em>mem><em>mem>ing. I was using Graphical Layout then when I was reading x<em>mem>l file, I saw Fra<em>mem>eLayout. Then I searched, but I couldn't find so<em>mem>ething useful. What is Fra<em>mem>eLayout and what does it do?
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background function in Python
I've got a Python script that so<em>mem>eti<em>mem>es displays i<em>mem>ages to the user. The i<em>mem>ages can, at ti<em>mem>es, be quite large, and they are reused often. Displaying the<em>mem> is not critical, but displaying the <em>mem>essage associated with the<em>mem> is. I've got a function that downloads the i<em>mem>age needed and saves it locally. Rig...
Why does 'continue' behave like 'break' in a Foreach-Object?
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Si<em>mem>ply use the return instead of the continue. This return returns fro<em>mem> the script block which is invoked by ForEach-Object on a particular iteration, thus, it si<em>mem>ulates the continue in a loop.
1..100 | ForEach-Object {
if...
SyntaxError: Non-ASCII character '\xa3' in file when function returns '£'
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I'd reco<em>mem><em>mem>end reading that PEP the error gives you. The proble<em>mem> is that your code is trying to use the ASCII encoding, but the pound sy<em>mem>bol is not an ASCII character. Try using UTF-8 encoding. You can start by putting # -*- coding...