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Some built-in to pad a list in python
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Odd behavior when Java converts int to byte?
Mindboggling. Why is the output -124 ?
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Disable a group of tests in rspec?
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169
To disable a tree of specs using RSpec 3 you can:
before { skip }
# or
xdescribe
# or
xcont...
Setting environment variables via launchd.conf no longer works in OS X Yosemite/El Capitan/macOS Sie
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161
Create an environment.plist file in ~/Library/LaunchAgents/ with this content:
<?xml versi...
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 ...
Javascript: formatting a rounded number to N decimals
...number, something like:
var s = number.toString();
if (s.indexOf('.') == -1) s += '.';
while (s.length < s.indexOf('.') + 4) s += '0';
(Note that this assumes that the regional settings of the client uses period as decimal separator, the code needs some more work to function for other settings...
Differences between “BEGIN RSA PRIVATE KEY” and “BEGIN PRIVATE KEY”
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189
See https://polarssl.org/kb/cryptography/asn1-key-structures-in-der-and-pem (search the page f...
Grep characters before and after match?
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187
3 characters before and 4 characters after
$> echo "some123_string_and_another" | grep -o ...
How to sort a collection by date in MongoDB?
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