Author: Pete Halsted

Using the Open Source Default Manager Class

Photo by nasrulekram This week's Uncle Pete's corner covers the use of the Open Source Default Manager Class. This is an introductory into the Open Source Initiative for anyone that hasn't worked with projects from other developers before, as well as show some uses for the default manager class. What is the Open Source Initiative I … Continue reading Using the Open Source Default Manager Class →

Handling a Large PostgreSQL Installation Article by Instagram

Just so you don't think Uncle Pete has forsaken PostgreSQL Instagram has one of the largest PostgreSQL installations in the world, and they just recently posted an article on their blog with 5 tips for handling large PostgreSQL installations. http://instagram-engineering.tumblr.com/post/40781627982/handling-growth-with-postgres-5-tips-from-instagram The first two are of the most interest to us developer types, their use … Continue reading Handling a Large PostgreSQL Installation Article by Instagram →

NextAge Open Source Application

The NextAge Open Source Application is meant as a “teaching” tool to provide sample code and a testing bed for all of NextAge’s open source classes and code. Along with using our Open Source classes, there is a collection of miscellaneous code and procedures that may be useful, but are not something appropriate to … Continue reading NextAge Open Source Application →

Open Source – System Log

The System Log Class was created to provide standard method of recording errors in a database table. The SystemLog class has been tested in both WD and WB. The System Log Class was created to provide standard method of recording errors in a database table. Often we have users that call for support, but when … Continue reading Open Source – System Log →

Open Source – Business Rules

The Business Rule Class was created to provide a uniform method of enforcing business rules and data validation in an application. The Business Rule Class was created to provide a uniform method of enforcing business rules and data validation in an application. Furthermore it provides the ability to adjust and extend the business rules from … Continue reading Open Source – Business Rules →

Open Source – Browse Form Manager

The Browse Form Manager Class was created to provide some advanced interfaces in my applications, without having to include a lot of code to manage the interface in each window. The Browse Form Manager Class was created to provide some advanced interfaces in my applications, without having to include a lot of code to … Continue reading Open Source – Browse Form Manager →

FileZilla FTP Server on Amazon AWS

Wolfgang was having some issues following my articles to setup his WebDev server on Amazon. We discovered that the difference is in the way Amazon does their elastic IP assignments. I am not an Amazon expert, but my understanding is you have a public IP and a private IP. The issue is with the way passive mode of FileZilla … Continue reading FileZilla FTP Server on Amazon AWS →

Open Source – Security Class

Photo by cmoewes The security class is not a replacement for groupware, or even meant to compete against groupware. The security class doesn't provide any real UI components, instead it provides a foundation to configure default security at design time, and then have that security adjusted at runtime by a “superuser” without requiring additional development work. The Security Class … Continue reading Open Source – Security Class →

Two Styles of Editing Records from a Link in an AJAX Table

This article is going to show two different styles of edit screens that can be used with AJAX tables in WebDev. Both Popup Pages and Full Page edits via PageDisplay. In fact for the demo, I have added a check box control that determines which style of edit to use at run time! For a … Continue reading Two Styles of Editing Records from a Link in an AJAX Table →

Open Source – Query By Example

The Query by Example class provide a method of allow end users to filter their data using a simple QBE interface. It allows the them to save thier queries for later reuse as well. A QBE are three basic modes of QBE HFitler, SQL, and Advanced SQL. Hfilter and SQL work very similarly except one … Continue reading Open Source – Query By Example →