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Why use 'virtual' for class properties in Entity Framework model definitions?
...und the virtual property so that the property can support lazy loading and more efficient change tracking. See What effect(s) can the virtual keyword have in Entity Framework 4.1 POCO Code First? for a more thorough discussion.
Edit to clarify "create a proxy around":
By "create a proxy around" I'm...
Image comparison - fast algorithm
...om points is picking 100 important points. Certain parts of an image have more information than others (particularly at edges and corners), and these are the ones you'll want to use for smart image matching. Google "keypoint extraction" and "keypoint matching" and you'll find quite a few academic ...
Python: split a list based on a condition?
...goodvals]
bad = [x for x in mylist if x not in goodvals]
is there a more elegant way to do this?
That code is perfectly readable, and extremely clear!
# files looks like: [ ('file1.jpg', 33L, '.jpg'), ('file2.avi', 999L, '.avi'), ... ]
IMAGE_TYPES = ('.jpg','.jpeg','.gif','.bmp','.png')
im...
Interface type check with Typescript
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uppercase first character in a variable with bash
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Despite being more complex than the best scored answer, this one actually does exactly that: 'uppercase first character in a variable'. Best scored answer does not have that results. Looks like simple answers are upvoted more willingly tha...
What is Scala's yield?
...simple map -- one generator with no if -- I'd certainly say calling map is more readable. If you have a several generators depending on each other, and/or filters, you may prefer a for expression.
– Alexey Romanov
Jun 27 '09 at 13:35
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ICollection Vs List in Entity Framework
...d be a HashSet<T>, for example. (This is a mindset you could use for more than just Entity Framework, by the way. A good object-oriented practice is to program towards the interface and not the implementation. Implementations can and will change.)
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Seeking clarification on apparent contradictions regarding weakly typed languages
... The cast operator violates static typing; it says to the compiler "I know more about the runtime type of this expression than you do". If the developer is wrong, then the runtime will throw an exception in order to protect type safety. If the developer wishes to break type safety or memory safety, ...
Timeout for python requests.get entire response
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RESTful Services - WSDL Equivalent
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Can you elaborate a little bit more? I am afraid I don't get it. Thanks.
– skaz
Nov 6 '10 at 14:05
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