Let’s Encrypt: Delivering SSL/TLS Everywhere

Let’s Encrypt is a free, automated, and open certificate authority (CA), run for the public’s benefit. Let’s Encrypt is a service provided by the Internet Security Research Group (ISRG). The key principles behind Let’s Encrypt are: Free: Anyone who owns a domain name can use Let’s Encrypt to obtain a trusted certificate at zero cost.… Continue reading Let’s Encrypt: Delivering SSL/TLS Everywhere

Unsemantic, A Responsive / fluid grid system

Successor to 960.gs Unsemantic is a fluid grid system that is the successor to the 960 Grid System. It works in a similar way, but instead of being a set number of columns, it’s entirely based on percentages. For instance, if you want a 50% wide column, simply use class=”grid-50″. There are grid classes for… Continue reading Unsemantic, A Responsive / fluid grid system

Calculate storage space used by schema object, including LOBs

SELECT    owner, table_name, TRUNC(sum(bytes)/1024/1024) Meg FROM (SELECT segment_name table_name, owner, bytes  FROM dba_segments  WHERE segment_type = ‘TABLE’  UNION ALL  SELECT i.table_name, i.owner, s.bytes  FROM dba_indexes i, dba_segments s  WHERE s.segment_name = i.index_name  AND   s.owner = i.owner  AND   s.segment_type = ‘INDEX’  UNION ALL  SELECT l.table_name, l.owner, s.bytes  FROM dba_lobs l, dba_segments s  WHERE s.segment_name =… Continue reading Calculate storage space used by schema object, including LOBs