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What's the difference between a method and a function?
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A function is a piece of code that is called by name. It can be passed data to operate on (i.e. ...
Count number of objects in list [closed]
... edited Dec 2 '19 at 8:10
zx8754
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answered Nov 16 '09 at 7:08
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Anyone else find naming classes and methods one of the most difficult parts in programming? [closed]
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I akin this to naming files with dates, you want to say 2009-01-07.log not 1-7-2009.log because after you have a bunch of them, the order becomes totally useless.
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wkhtmltopdf: cannot connect to X server
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or try this (from http://drupal.org/node/870058)
Download wkhtmltopdf. Or better install it with a package manager:
sudo apt-get install wkhtmltopdf
Extract it and move it to /usr/local/bin/
Rename it to wkhtmltopdf so that now you have an executable at /usr/loca...
What is the proper way to re-throw an exception in C#? [duplicate]
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You should always use following syntax to rethrow an exception, else you'll stomp the stack tr...
In vim, how do I get a file to open at the same line number I closed it at last time?
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How to convert hashmap to JSON object in Java
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edited Aug 10 '16 at 17:08
Willi Mentzel
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MySQL “Group By” and “Order By”
...so unless they are the same, the values chosen are indeterminate."
As of 5.7.5 ONLY_FULL_GROUP_BY is enabled by default so non-aggregate columns cause query errors (ER_WRONG_FIELD_WITH_GROUP)
As @mikep points out below the solution is to use ANY_VALUE() from 5.7 and above
See
http://www.cafewebmaste...