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  • Add Powerful Generic Processing to Your Applications

    November 9, 2011 Ted Holt

    Each month I perform a ritual by which I attempt to placate the gods Sarbanes and Oxley. One task involves repeatedly selecting a certain menu option, filling the entry fields with different values each time. What an annoyance. Fortunately there are ways to eliminate repetition programmatically, and the use of generic names is one such way.

    A generic name is one that ends with the asterisk wild-card. Many CL commands accept generic parameters. I have written about this before.

    But when you want to run a certain command over a group of objects, and the command does not allow a

    …

    Read more
  • Meet JSON

    November 9, 2011 Alex Roytman

    If you have done Web application development with any modern toolset or technology lately, you have undoubtedly run across a trusty friend of mine: JSON (pronounced Jason). In recent years, JSON, or JavaScript Object Notation, has become the data interchange format of choice for Web applications. It has allowed many Web frameworks to flourish and has tremendously simplified my own job of creating IBM i web applications and frameworks. That’s why I decided to write a series of articles on JSON, in which I will explain the what, the why, and the how of JSON in detail.

    Let’s get going!

    …

    Read more
  • Admin Alert: When You Can’t Answer Record Lock Errors

    November 9, 2011 Joe Hertvik

    Recently, a client had a problem with Power i record allocation messages. When a program crashed with an RPG1218 record lock inquiry message, the system didn’t ask for a message reply. Instead, it automatically answered the message with a “D” to dump program data and end the job. The client didn’t want this to happen. He’d rather answer the message himself and retry the allocation. Here’s what happened and how it applies to all i OS shops.

    A Common Problem

    The first thing to understand is that this is a fairly common i OS situation. It isn’t magic or a

    …

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