RPG CGI Archives - IT Jungle

Guru: A Bevy of BIFs – %Dec to the Rescue

August 1, 2018 Susan Gantner

Author’s Note: This tip was first published back in 2009. I’ve updated the code examples here to use free format declarations. In addition I’ve added the potential use of %ScanRpl, which didn’t exist at the original publication date.

More and more in RPG applications these days, it seems we need to process data that comes from “the dark side.” Translation: from a non-i system. This data could be coming from a browser screen via an RPG CGI program, from a CSV (comma-separated values) flat file, from an XML or JSON document, or myriad other ways. One thing these dark sources …
Read more
Guru: Speed Up Web Pages Using Apache’s mod_deflate

July 9, 2018 Alan Seiden

If your web applications run on HTTP Server (Powered by Apache) for i, you can enable a powerful Apache extension, mod_deflate, to speed up your site. Just as zipping up files on your PC saves space and accelerates file transfers, mod_deflate “allows output from your server to be compressed before being sent to the client over the network.” (See https://httpd.apache.org/docs/2.4/mod/mod_deflate.html for more information.) My tests show a speed improvement of 10 to 50 percent.

You can compress any text-based output, including HTML (whether plain .html files, output from RPG CGI programs, PHP, or other languages), Cascading Style Sheets (CSS), …
Read more