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Python Linked List
... a linked list in python? In scheme, a linked list is defined simply by '(1 2 3 4 5) . Python's lists, [1, 2, 3, 4, 5] , and tuples, (1, 2, 3, 4, 5) , are not, in fact, linked lists, and linked lists have some nice properties such as constant-time concatenation, and being able to reference separa...
Rails migration: t.references with alternative name?
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168
You can do this all in the initial migration/column definition (at least currently in Rails 5)...
Count number of days between two dates
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10 Answers
10
Active
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Java 8: Where is TriFunction (and kin) in java.util.function? Or what is the alternative?
...you
can't just leave an argument open. You can't just say "well, let x := 1" and try out
every y you may like to try. You have to construct every time the whole tuple with
x := 1. So if you like to see what the functions return for y := 1, y := 2, y := 3 you
have to write f(1,1) , f(1,2) , f(1,3)....
ggplot2 legend to bottom and horizontal
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147
If you want to move the position of the legend please use the following code:
library(reshap...
Why does javascript map function return undefined?
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187
You aren't returning anything in the case that the item is not a string. In that case, the fun...
Extract subset of key-value pairs from Python dictionary object?
I have a big dictionary object that has several key value pairs (about 16), but I am only interested in 3 of them. What is the best way (shortest/efficient/most elegant) to achieve that?
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