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What are the most interesting equivalences arising from the Curry-Howard Isomorphism?
...somorphism relatively late in my programming life, and perhaps this contributes to my being utterly fascinated by it. It implies that for every programming concept there exists a precise analogue in formal logic, and vice versa. Here's a "basic" list of such analogies, off the top of my head:
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What are the dark corners of Vim your mom never told you about? [closed]
There are a plethora of questions where people talk about common tricks, notably " Vim+ctags tips and tricks ".
70 Answers
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In Python, how do I index a list with another list?
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vanvan
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__proto__ VS. prototype in JavaScript
What are the differences between __proto__ and prototype ?
30 Answers
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How to add edge labels in Graphviz?
I am trying to draw a graph using Graphviz, but I need to add labels on the edges. There does not seem to be any way to that in Graphviz.
Are there a way out?
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What is an idiomatic way of representing enums in Go?
I'm trying to represent a simplified chromosome, which consists of N bases, each of which can only be one of {A, C, T, G} .
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Convert hyphens to camel case (camelCase)
...in marker-image and capture only the i. This is then uppercased in the callback function and replaced.
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get list of pandas dataframe columns based on data type
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If you want a list of columns of a certain type, you can use groupby:
>>> df = pd.DataFrame([[1, 2.3456, 'c', 'd', 78]], columns=list("ABCDE"))
>>> df
A B C D E
0 1 2.3456 c d 78
[1 rows x 5 columns]
>>> df.dtypes
A int64
B float64
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What is “lifting” in Haskell?
I don't understand what "lifting" is. Should I first understand monads before understanding what a "lift" is? (I'm completely ignorant about monads, too :) Or can someone explain it to me with simple words?
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What is %2C in a URL?
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Check out http://www.asciitable.com/
Look at the Hx, (Hex) column; 2C maps to ,
Any unusual encoding can be checked this way
+----+-----+----+-----+----+-----+----+-----+
| Hx | Chr | Hx | Chr | Hx | Chr | Hx | Chr |
+----+-----+----+-----+----+-----...