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Multiple linear regression in Python
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answered Jul 13 '12 at 22:41
djsdjs
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How does zip(*[iter(s)]*n) work in Python?
... zip(), and it pulls an item from the iterator each time.
x = iter([1,2,3,4,5,6,7,8,9])
print zip(x, x, x)
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How do I forward parameters to other command in bash script?
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245
Use the shift built-in command to "eat" the arguments. Then call the child process and pass it ...
What is the significance of initializing direction arrays below with given values when developing ch
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84
This is a technique to encode all directions as arrays - every pair of di[i],dj[i] is a differen...
What is the difference between tinyint, smallint, mediumint, bigint and int in MySQL?
... -8388608 to 8388607 0 to 16777215
int/integer | 4 bytes -2147483648 to 2147483647 0 to 4294967295
bigint | 8 bytes -9223372036854775808 to 9223372036854775807 0 to 18446744073709551615
The "unsigned" types are only available in MySQL, and the ...
Replacing NAs with latest non-NA value
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164
You probably want to use the na.locf() function from the zoo package to carry the last observati...
Find the max of two or more columns with pandas
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edited Dec 4 '16 at 19:06
alfredocambera
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No secret option provided to Rack::Session::Cookie warning?
...n be safely ignored by Rails users.
(https://github.com/rack/rack/issues/485#issuecomment-11956708, emphasis added)
Confirmation on the rails bug discussion: https://github.com/rails/rails/issues/7372#issuecomment-11981397
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Extract elements of list at odd positions
... second at 1 etc.):
1, 3, 5
so the result (actual numbers) will be:
2, 4, 6
Explanation
The [1::2] at the end is just a notation for list slicing. Usually it is in the following form:
some_list[start:stop:step]
If we omitted start, the default (0) would be used. So the first element (at po...