head -n1 /proc/meminfo | awk '
BEGIN {}
{ TOTAL = $2; }
END {
print "Total memory: " TOTAL;
}'
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Step 1, New a project rails new demo Step 2, Update Gemfile add paperclip, mysql2 gem, enable JavaScript runtime gem 'mysql2' ...
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error message: Fatal error: Call to undefined function imageantialias() in /var/www/vhosts/bar.php on line 13 The function imageantialia...
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