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Bash tool to get nth line from a file
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832
head and pipe with tail will be slow for a huge file. I would suggest sed like this:
sed 'NUMq...
Get decimal portion of a number with JavaScript
I have float numbers like 3.2 and 1.6 .
22 Answers
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How do I remedy “The breakpoint will not currently be hit. No symbols have been loaded for this docu
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Using git repository as a database backend
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│ MusicBrainz │ 1.2M │ 1K/week │ 30 GiB │ 20 GiB │
│ en.wikipedia │ 21.5M │ 133K/month │ 3 TiB │ 44 GiB │
│ OSM │ 1.7M │ 21K/month │ 726 GiB │ 480 GiB │
Obviously, for that amounts of data/activity, this app...
SQL JOIN - WHERE clause vs. ON clause
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LEFT JOIN OrderLines ON OrderLines.OrderID=Orders.ID
WHERE Orders.ID = 12345
and
SELECT *
FROM Orders
LEFT JOIN OrderLines ON OrderLines.OrderID=Orders.ID
AND Orders.ID = 12345
The first will return an order and its lines, if any, for order number 12345. The second will return all order...
Calculating Pearson correlation and significance in Python
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SachaSacha
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How do you use bcrypt for hashing passwords in PHP?
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bcrypt is a hashing algorithm which is scalable with hardware (via a configurable number of roun...
“ImportError: No module named” when trying to run Python script
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edited May 23 '17 at 11:33
Community♦
111 silver badge
answered Mar 25 '13 at 18:24
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Iterate a list as pair (current, next) in Python
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132
Here's a relevant example from the itertools module docs:
import itertools
def pairwise(iterab...