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How do I create an average from a Ruby array?
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38
Ruby versions >= 2.4 has an Enumerable#sum method.
And to get floating point average, you ...
What is an index in SQL?
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382
An index is used to speed up searching in the database. MySQL have some good documentation on ...
Split string to equal length substrings in Java
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– Sean Patrick Floyd
Jan 26 '17 at 14:38
any way to join back with a separator?
– Aquarius Power
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Why do you need to put #!/bin/bash at the beginning of a script file?
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Camilo Sampedro
8381212 silver badges2626 bronze badges
answered Jan 23 '12 at 6:26
paulsm4paulsm4
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SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed
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138
I ran into a similar problem when trying to use the JQuery generator for Rails 3
I solved it l...
Vertically centering a div inside another div [duplicate]
...s more?
– Kevin Chandra
Jun 14 at 7:38
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@KevinChandra, I think top and left refers to the contai...
How to set date format in HTML date input tag?
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– ashish bhatt
Nov 21 '15 at 4:38
This is a great option.
– Dillon Burnett
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Using Git, how could I search for a string across all branches?
...n
– Ilya Sheershoff
Feb 1 '18 at 11:38
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Library not loaded: /usr/local/opt/readline/lib/libreadline.6.2.dylib
... psql9.6
– bkunzi01
Jun 8 '17 at 15:38
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Checking from shell script if a directory contains files
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– Chris Moschini
Sep 24 '13 at 16:38
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You can use -n instead of ! -z (they're both equivalent,...