json in apex
https://storm-petrel.com/orablog/2015/12/12/oracle-apex-5-rest-client/

User Friendly Error message
http://www.apex-at-work.com/2009/01/using-individual-errorsuccess-messages.html

Apex 5 articles
http://www.inside-oracle-apex.com/oracle-apex-5-0-articles/

Oracle Forms11gR2 Installations steps
http://www.oracle-base.com/articles/11g/oracle-forms-and-reports-11gr2-configuration-notes.php#webutil-config

Oracle Training URL
https://apex.oracle.com/pls/apex/f?p=44785:1:31045985858775::NO

Apex Flexfield Plugins
http://www.relational.es/blog/apex-relational-flexfield-plugin-tutorial/

Apex Talk shows – updates – audio files
http://apex.press/apex/f?p=333:1::::::#

apex awesome fonts
https://storm-petrel.com/orablog/2015/11/05/apex5-font-awesome-letters/
Percentage (%) for task completion
http://www.apex-at-work.com/2015/11/sql-calculate-past-time-between-two.html

How to create checkbox in report in Oracle Apex 5.0 – quick tip

http://www.apex-at-work.com/2012/04/client-ip-adresse-in-apex-auslesen.html
http://www.apex-at-work.com/2015/11/sql-calculate-past-time-between-two.html

Apex5 universal theme
http://spendolini.blogspot.in/2015/10/universal-theme-face-lift.html

Apex5 IR with checkbox
http://deneskubicek.blogspot.in/2015/10/select-all-checkboxes-in-ir-apex-5.html

http://www.talkapex.com/2010/09/custom-error-messages-in-apex.html

http://blog.whitehorses.nl/2010/04/15/handling-ora-errors-in-apex/

https://apex.oracle.com/pls/apex/f?p=apexbyg:sticky_region

http://www.oracle-and-apex.com/human-readable-urls-in-oracle-apex-part-2/