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Prefer composition over inheritance?
Why prefer composition over inheritance? What trade-offs are there for each approach? When should you choose inheritance over composition?
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Perforce for Git users? [closed]
There is a lot of "Git for Perforce users" documentation out there, but seemingly very little of the opposite.
3 Answers
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What does the Ellipsis object do?
While idly surfing the namespace I noticed an odd looking object called Ellipsis , it does not seem to be or do anything special, but it's a globally available builtin.
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How to remove a key from Hash and get the remaining hash in Ruby/Rails?
To add a new pair to Hash I do:
14 Answers
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In Python, how do I iterate over a dictionary in sorted key order?
There's an existing function that ends in the following, where d is a dictionary:
10 Answers
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Append values to a set in Python
I have a set like this:
8 Answers
8
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How to represent empty char in Java Character class
I want to represent an empty character in Java as "" in String...
15 Answers
15
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Asynchronous vs synchronous execution, what does it really mean? [closed]
What is the difference between asynchronous and synchronous execution?
22 Answers
22
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Kotlin Ternary Conditional Operator
What is the equivalent of this expression in Kotlin?
32 Answers
32
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How do I get the row count of a pandas DataFrame?
I'm trying to get the number of rows of dataframe df with Pandas, and here is my code.
14 Answers
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