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MySQL's now() +1 day
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461
You can use:
NOW() + INTERVAL 1 DAY
If you are only interested in the date, not the date and ...
How to sort a collection by date in MongoDB?
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Setting environment variables via launchd.conf no longer works in OS X Yosemite/El Capitan/macOS Sie
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Create an environment.plist file in ~/Library/LaunchAgents/ with this content:
<?xml versi...
Grep characters before and after match?
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3 characters before and 4 characters after
$> echo "some123_string_and_another" | grep -o ...
Scala Doubles, and Precision
...e or round a Double? At one point in my code I would like a number like: 1.23456789 to be rounded to 1.23
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Differences between “BEGIN RSA PRIVATE KEY” and “BEGIN PRIVATE KEY”
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See https://polarssl.org/kb/cryptography/asn1-key-structures-in-der-and-pem (search the page f...
How to implement a queue using two stacks?
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710
Keep 2 stacks, let's call them inbox and outbox.
Enqueue:
Push the new element onto inbox
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How to convert an array of strings to an array of floats in numpy?
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181
Well, if you're reading the data in as a list, just do np.array(map(float, list_of_strings)) (...
Safely limiting Ansible playbooks to a single machine?
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13 Answers
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