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John Olson

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Top Stories by John Olson

At work, Lisa takes advantage of her employer's dedicated T-3 to quickly access live NASDAQ quotes via a Java applet stock ticker. She spends each day alternating between development work and day trading. Soon to be rich, she dreams of early retirement and a life filled with leisure activities and day trading at home. Back at home her lack of patience and 56K connection make day trading a painfully slow torture. Java and 56K aren't meant to be together. Unfortunately, most of the 50 million regular Internet users worldwide are ecstatic if they can even achieve 56K. High-speed connectivity is common to businesses but is out of financial reach of the average home-based Internet user. To be successful, consumer-targeted Web sites have to provide content quickly, because consumers won't wait. So while businesses enjoy IP-delivered, feature-rich Java applications and ap... (more)

n_ds DataStore Coupled to Parent Window in PFC 6.0+

Last year, after migrating a client's application from PFC 5.0.02 to 6.5, then applying some enhancements to take advantage of new features, the program began giving the following PFC error message: "For certain functionality the PFC DataStore requires a reference to its parent window. One of these cases has been encountered. To let the DataStore know who its parent window is, call the of_SetParentWindow() function after the DataStore creation." At first I was disturbed that the PFC developers had coupled the DataStore to a parent object. And worse, not only a parent object, but... (more)

The Value Of Consulting Services

As a consultant, I'm keenly aware of the bitterness some people have toward us. On many occasions I've felt the ire of managers who, in the past, have had bad experiences. The causes vary, but the blame can usually be spread evenly between management and the consultants. Unfortunately, this results in a negative view toward consultants and the valuable services they provide. At the risk of stating the obvious, let me describe some important details about the business of consulting: 1. Consultants provide valuable services. When you decide to build a home do you build it yourself or... (more)

Enterprise Application Framework

Client/server is fading, supplanted by distributed architectures and Web clients; the new generation of architecture is here to stay. Fortunately, the latest generation of client/server object designs prepared developers and code for the transition to a distributed environment. Along with the new architecture, however, comes a need for framework and service objects designed for this environment. The PFC isn't appropriate because it's too fat. To fill the void many companies have built their own, but there haven't been any widely distributed libraries of this type. This may now b... (more)

PowerBuilder and TechWave 2002

For Sybase TechWave 2002 at the San Diego Convention Center, the PowerBuilder team has been getting ready to show off some of the next-generation capabilities currently under development for PowerBuilder 9.0. They've been busy developing Web, distributed, and client/server capabilities that will further your development needs. These new features are an indication of the brighter future that's in store for PowerBuilder as we move forward with its evolution. If you're at TechWave, be sure to swing by the PowerBuilder booth or Technology Boardwalk area in the exhibition hall to see ... (more)