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erics, July 20th, 2021 |
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my $count = () = $string =~ /\n/g; |
Categories: How-To's, Technology Count, howto, Newline, perl, String, tips, Var, Variable
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erics, June 16th, 2021 |
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my $needle = 'foo'; my $haystack = 'foo foo foo'; my @count = $haystack =~ /$needle/g; my $count = scalar @count; print "$count\n"; |
Should result in 3
Categories: How-To's, Technology Count, HayStack, howto, Needle, perl, Scalar, String, tips
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erics, June 18th, 2015 |
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sudo lsof | awk '{print $3}' | sort | uniq -c | sort -n -r | head -20 |
13137 erics 2421 root 330 _www 139 _mdnsresponder 56 _softwareupdate 34 _coreaudiod 33 _mysql 32 _networkd 23 _assetcache 21 _usbmuxd 21 _locationd 18 _spotlight 13 _nsurlsessiond 13 _netbios 13 _appleevents 10 _windowserver 10 _iconservices 10 _displaypolicyd 8 _nsurlstoraged 8 _distnote
Categories: How-To's, Technology apple, Count, File Handle, Handle, howto, lsof, macosx, open files, tips, ulimit
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erics, March 3rd, 2012 Just be sure to add the class “yourClass” to each checkbox in the group you wish to count and it is as simple as:
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alert( 'Qty checked: ' + jQuery('.yourClass:checked').length ); |
Categories: How-To's, Technology CheckBox, Checkboxes, Checked, Class, Count, howto, JQuery, Length, Qty, selected, tips
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erics, May 11th, 2011 |
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my $value = $dbh->fetch_one_value( 'table' => 'users', 'columns' => 'COUNT(*)', 'where' => { 'active' => 1, }, ); |
Categories: How-To's, Technology Column, Count, DBI, DBIx, DBIx::SQLEngine, mysql, SQL
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erics, August 3rd, 2010 [code]SELECT city, sum(is_special) as special_count FROM stores where state="$state" group by city[/code]
Categories: How-To's, Technology Count, Distinct, mysql, select, SQL, Sum
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