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How to remove specific elements in a numpy array
...For your specific question:
import numpy as np
a = np.array([1, 2, 3, 4, 5, 6, 7, 8, 9])
index = [2, 3, 6]
new_a = np.delete(a, index)
print(new_a) #Prints `[1, 2, 5, 6, 8, 9]`
Note that numpy.delete() returns a new array since array scalars are immutable, similar to strings in Python, so each...
Can a for loop increment/decrement by more than one?
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265
Use the += assignment operator:
for (var i = 0; i < myVar.length; i += 3) {
Technically, y...
How to match all occurrences of a regex
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answered Sep 17 '08 at 5:53
JeanJean
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Does Ruby have a string.startswith(“abc”) built in method?
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Jörg W MittagJörg W Mittag
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What is the result of % in Python?
...meder omuralievmeder omuraliev
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7
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How do I query using fields inside the new PostgreSQL JSON datatype?
...Performance benefits from general improvements to GIN indexes.
Postgres 9.5
Complete jsonb functions and operators. Add more functions to manipulate jsonb in place and for display.
Major good news in the release notes of Postgres 9.5.
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The 'json' native gem requires installed build tools
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54
I believe those installers make changes to the path. Did you try closing and re-opening the CM...
Looping over a list in Python
...] and your len(x) should be equal to 3.
>>> mylist = [[1,2,3],[4,5,6,7],[8,9,10]]
>>> for x in mylist:
... if len(x)==3:
... print x
...
[1, 2, 3]
[8, 9, 10]
or if you need more pythonic use list-comprehensions
>>> [x for x in mylist if len(x)==3]
[[1, 2, ...
Checking oracle sid and database name
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152
I presume SELECT user FROM dual; should give you the current user
and SELECT sys_context('user...