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How can you represent inheritance in a database?
...ar basis.
The database will not be able to enforce which attributes apply and which don't, since there is no metadata to define which attributes belong to which subtypes.
You also cannot enforce NOT NULL on attributes of a subtype that should be mandatory. You would have to handle this in your app...
Python integer division yields float
... answered Aug 15 '09 at 21:51
Brandon E TaylorBrandon E Taylor
23.1k66 gold badges4343 silver badges6868 bronze badges
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How to tell Maven to disregard SSL errors (and trusting all certs)?
I frequently need to run "mvn" command :
4 Answers
4
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What is the difference between named and positional parameters in Dart?
Dart supports both named optional parameters and positional optional parameters. What are the differences between the two?
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TypeScript with KnockoutJS
...otepad, you would only need the definitions at compile time. On the other hand, one of the good points of typescript is that it is easier for the visual studio (and other editors through plugins) intellisence to understand your code and it helps you much with auto completion and perform type and err...
How to delete duplicate rows in SQL Server?
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I like CTEs and ROW_NUMBER as the two combined allow us to see which rows are deleted (or updated), therefore just change the DELETE FROM CTE... to SELECT * FROM CTE:
WITH CTE AS(
SELECT [col1], [col2], [col3], [col4], [col5], [col6]...
Keyboard shortcuts with jQuery
...was originally asked, John Resig (the primary author of jQuery) has forked and improved the js-hotkeys project. His version is available at:
http://github.com/jeresig/jquery.hotkeys
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How to read a file in reverse order?
... line in reversed(open("filename").readlines()):
print line.rstrip()
And in Python 3:
for line in reversed(list(open("filename"))):
print(line.rstrip())
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Tracking Google Analytics Page Views with AngularJS
...s the frontend. Everything on the client side is done with HTML5 pushstate and I'd like to be able to track my page views in Google Analytics.
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Cache an HTTP 'Get' service response in AngularJS?
...rJS service that makes an HTTP 'Get' request when its data object is empty and populates the data object on success.
7 Answ...
