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What is an existential type?
I read through the Wikipedia article Existential types . I gathered that they're called existential types because of the existential operator (∃). I'm not sure what the point of it is, though. What's the difference between
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List changes unexpectedly after assignment. How do I clone or copy it to prevent this?
While using new_list = my_list , any modifications to new_list changes my_list everytime. Why is this, and how can I clone or copy the list to prevent it?
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super() in Java
Is super() used to call the parent constructor?
Please explain super() .
15 Answers
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When should I use genetic algorithms as opposed to neural networks? [closed]
Is there a rule of thumb (or set of examples) to determine when to use genetic algorithms as opposed to neural networks (and vice-versa) to solve a problem?
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How do I make a list of data frames?
How do I make a list of data frames and how do I access each of those data frames from the list?
8 Answers
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Do the parentheses after the type name make a difference with new?
If 'Test' is an ordinary class, is there any difference between:
6 Answers
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Detect URLs in text with JavaScript
Does anyone have suggestions for detecting URLs in a set of strings?
13 Answers
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Cache Invalidation — Is there a General Solution?
Phil Karlton
9 Answers
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What's the rationale for null terminated strings?
As much as I love C and C++, I can't help but scratch my head at the choice of null terminated strings:
18 Answers
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What's the difference between backtracking and depth first search?
What's the difference between backtracking and depth first search?
13 Answers
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