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What is the difference between association, aggregation and composition?
... in first case. Will it still be association or will it become composition now?
– Saket
Aug 28 '14 at 5:39
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Section vs Article HTML5
... I feel like this war between article and section will go one now because of the confusion. But Justin Im 100% on board your use of section over article as section applies to parts of documents (as you have shown) where article is stand-alone, independent content INSIDE the document (an...
Python division
...2.7 and Python 3.3.
In Python 2.7 and Python 3.3:
>>>20//15
1
Now, see the comparison
>>>a = 7.0/4.0
>>>b = 7/4
>>>print a == b
For the above program, the output will be False in Python 2.7 and True in Python 3.3.
In Python 2.7 a = 1.75 and b = 1.
In Pyth...
Prefer composition over inheritance?
...ember of both classes.
Update: Just came back to my answer and it seems now that it is incomplete without a specific mention of Barbara Liskov's Liskov Substitution Principle as a test for 'Should I be inheriting from this type?'
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Database sharding vs partitioning
... multiple instances or servers, using some kind of logic or identifier to know which instance or server to look for the data. An identifier of this kind is often called a "Shard Key".
A common, key-less logic is to use the alphabet to divide the data. A-D is instance 1, E-G is instance 2 etc. Custo...
Unit testing with Spring Security
...se it in one of our next projects. So far I love what I've seen, and right now I'm taking a look at the Spring Security module to determine if it's something we can/should use.
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Inserting image into IPython notebook markdown
...IPython 2.0, the files/ prefix is no longer needed (cf. release notes). So now the solution <img src="image.png"> simply works as expected.
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How do I use reflection to call a generic method?
...hat's the best way to call a generic method when the type parameter isn't known at compile time, but instead is obtained dynamically at runtime?
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URL Encoding using C#
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Edit: Note that this answer is now out of date. See Siarhei Kuchuk's answer below for a better fix
UrlEncoding will do what you are suggesting here. With C#, you simply use HttpUtility, as mentioned.
You can also Regex the illegal characters and then re...
Convert decimal to binary in python [duplicate]
....5.2 TypeError: non-empty format string passed to object.__format__ ahh - now i got it, what you meant: ```>>> "{0:b}".format(47) ---> '101111'
– Josef Klotzner
Oct 10 '19 at 18:58
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