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What is an example of the Liskov Substitution Principle?
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A great example illustrating LSP (given by Uncle Bob in a podcast I heard recently) was how sometimes something that sounds right in natural language doesn't quite work in code.
In mathematics, a Square is a Rectangle. Indeed it is a specialization of a rectangle....
Convert sqlalchemy row object to python dict
...me: getattr(self, col.name) for col in self.__table__.columns} as answered by Anurag Uniyal (with important corrections from comments to that answer) seems both more succinct and error-proof.
– kilgoretrout
Jul 30 '16 at 20:44
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@AspectJ pointcut for all methods of a class with specific annotation
...e Spring container to apply include the class in the AspectJ weaver thing. By default, Spring only looks at Controller, Service, and other specific annotations, but not Aspect.
– Alex
Nov 22 '13 at 20:46
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[] and {} vs list() and dict(), which is better?
...ount of time to execute a specified number of iterations, which is 1000000 by default. So the examples above are the number of seconds to run the code snippet a million times. For example timeit('dict()', number=1) // -> 4.0531158447265625e-06 (one iteration) while timeit('dict()') // -> 0.124...
Response.Redirect with POST instead of Get?
...est) with HTTP Status Code 302, which tells the browser where to go next. By definition, the browser will make that via a GET request, even if the original request was a POST.
Another option is to use HTTP Status Code 307, which specifies that the browser should make the redirect request in the sa...
Are types like uint32, int32, uint64, int64 defined in any stdlib header?
...ode using types like uint32, uint64 and I wonder if they should be defined by the programmer in the application code or if they are defined in a standard lib header.
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Visual Studio 2010 always thinks project is out of date, but nothing has changed
...om Minimal to Diagnostic.
Then in the build output I found the same lines by searching for "not up to date":
Project 'blabla' is not up to date. Project item 'c:\foo\bar.xml' has 'Copy to Output Directory' attribute set to 'Copy always'.
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What is middleware exactly?
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I would clarify by adding ... "one or more machines to interact that natively would not be able to". Otherwise, agree, nothing wrong with that answer.
– jeriley
May 25 '10 at 13:09
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How to send an email with Python?
...e MIMEText object must be a string consisting of email addresses separated by commas. On the other hand, the second argument to the sendmail function must be a list of strings (each string is an email address).
So, if you have three email addresses: person1@example.com, person2@example.com, and per...
Can I set null as the default value for a @Value in Spring?
... Simple use power of SPEL ${stuff.value:#{null}} as suggested by vorburger and in stackoverflow.com/questions/16735141/…
– csf
Sep 30 '15 at 16:41
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