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Odd behavior when Java converts int to byte?
Mindboggling. Why is the output -124 ?
11 Answers
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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...
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)) (...
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
12 Answers
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Can I add jars to maven 2 build classpath without installing them?
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edited Aug 9 at 15:39
Spooky
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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 ...
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 ...
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...
Safely limiting Ansible playbooks to a single machine?
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13 Answers
13
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Any reason not to use '+' to concatenate two strings?
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122
There is nothing wrong in concatenating two strings with +. Indeed it's easier to read than ''...