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What exactly is Arel in Rails 3.0?
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What exactly is Arel in Rails 3.0?
It's an object model for an algebra of relational query ope...
Django using get_user_model vs settings.AUTH_USER_MODEL
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answered Jul 8 '14 at 11:25
knbkknbk
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Spring DAO vs Spring ORM vs Spring JDBC
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Here is an introduction to each mentioned technology.
Spring-DAO
Spring-DAO is not a spring mo...
How is a non-breaking space represented in a JavaScript string?
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  is a HTML entity. When doing .text(), all HTML entities are decoded to their charac...
Get file name and extension in Ruby
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edited Mar 24 '18 at 18:00
JP Silvashy
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Can I click a button programmatically for a predefined intent?
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You can click a button programmatically by using the button.performClick() method.
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Query a parameter (postgresql.conf setting) like “max_connections”
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You can use SHOW:
SHOW max_connections;
This returns the currently effective setting. Be aw...
In Hibernate Validator 4.1+, what is the difference between @NotNull, @NotEmpty, and @NotBlank?
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edited Jun 16 '13 at 21:11
answered Jun 16 '13 at 20:18
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What is the difference between Directory.EnumerateFiles vs Directory.GetFiles?
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edited Aug 28 at 12:04
Uwe Keim
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