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What is a unix command for deleting the first N characters of a line?
... cut. Eg. to strip the first 4 characters of each line (i.e. start on the 5th char):
tail -f logfile | grep org.springframework | cut -c 5-
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What's a good rate limiting algorithm?
... but if someone triggers less messages than the limit (e.g., rate limit is 5 messages per 8 seconds, and the person triggers only 4), and the next trigger is over the 8 seconds (e.g., 16 seconds later), the bot sends the message, but the queue becomes full and the bot waits 8 seconds, even though it...
Grep regex NOT containing string
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grep matches, grep -v does the inverse. If you need to "match A but not B" you usually use pipe...
KeyValuePair VS DictionaryEntry
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edited Jul 31 '13 at 6:45
answered May 25 '09 at 5:46
cdm...
How to get subarray from array?
I have var ar = [1, 2, 3, 4, 5] and want some function getSubarray(array, fromIndex, toIndex) , that result of call getSubarray(ar, 1, 3) is new array [2, 3, 4] .
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How to get a one-dimensional scalar array as a doctrine dql query result?
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Datatable vs Dataset
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edited Apr 30 '15 at 10:31
Hossein Narimani Rad
26.3k1414 gold badges7575 silver badges106106 bronze badges
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jQuery selector for the label of a checkbox
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Ruby: How to iterate over a range, but in set increments?
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See http://ruby-doc.org/core/classes/Range.html#M000695 for the full API.
Basically you use the step() method. For example:
(10..100).step(10) do |n|
# n = 10
# n = 20
# n = 30
# ...
end
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