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How do you effectively model inheritance in a database?
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Table-Per-Type (TPT)
Each class has its own table. The base class has all the base class elements in it, and each class which derives from it has its own table, with a primary key which is also a foreign key to the base class table; the derived table's class contains only the different elements...
How can I see the SQL that will be generated by a given ActiveRecord query in Ruby on Rails
...query has been issued, but I'm wondering if there is a method that can be called on and ActiveRecord Query.
11 Answers
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Extract source code from .jar file
...ct source code when the jar contains java files, e.g. jars with names typically ending in "-sources". It indeed does only extract .class files when the jar does not contain any java source files.
– edwardmp
May 2 '16 at 9:04
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jQuery - Get Width of Element when Not Visible (Display: None)
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@Tim Banks very nice! I actually wrote a similar extension. What i've been noticing is very strange behavior in Firefox, width() returns 0, for your and my plugin both. And on top of that it never factors in padding. jsfiddle.net/67cgB. I'm having the ...
Remove CSS from a Div using JQuery
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This answer doesn't help all the case where you modify something on the fly for doing animation or complex rendering. The question was not about how to organize the CSS, but how to remove a CSS option.
– FMaz008
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OpenID vs. OAuth [duplicate]
What is really the difference between OpenID and oAuth? They look just the same to me.
5 Answers
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Set style for TextView programmatically
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I do not believe you can set the style programatically. To get around this you can create a template layout xml file with the style assigned, for example in res/layout create tvtemplate.xml as with the following content:
<?xml version="1.0" encoding="utf-8"?>
<Text...
C# namespace alias - what's the point?
... name from different assemblies - rare, but useful to be supported.
Actually, I can see another use: when you want quick access to a type, but don't want to use a regular using because you can't import some conflicting extension methods... a bit convoluted, but... here's an example...
namespace ...
HorizontalAlignment=Stretch, MaxWidth, and Left aligned at the same time?
...ke it should be easy but I'm stumped. In WPF, I'd like a TextBox that stretches to the width of it's parent, but only to a maximum width. The problem is that I want it to be left justified within its parent. To get it to stretch you have to use HorizontalAlignment="Stretch", but then the result is c...
Difference between maven scope compile and provided for JAR packaging
... scope, used if none is specified. Compile
dependencies are available in all classpaths of a project.
Furthermore, those dependencies are propagated to dependent projects.
provided
This is much like compile, but indicates you expect the JDK or a
container to provide the dependency at ru...