Quick Tip: API data lengths

Here’s a quick tip for troubleshooting API calls:

If you are calling an API and notice that data you are expecting isn’t being provided, verify that you are allocating enough space for the return values and telling it how much space you’ve allocated.

Many APIs require you to allocate space to hold the returned info – but if you don’t tell the API how much space you’ve provided, it will only return the information that fits in the space it knows about.

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New Years, CEF, & Al Barsa

The year end is approaching fast … and now is the time to get those pesky charitable contributions sent in in order to be considered for 2009.

The COMMON Education Foundation’s Al Barsa scholarship is a charity I consider well worth an investment … and I encourage you to send what you can.

midrange.com has just faxed the CEF a contribution for this year. I plan on making it a regular contribution, so long as finances allow it.

http://www.common.org/foundation/scholarships.html#barsa

While I’m at it … I’d like to wish everyone in the IBM i community the very happiest of holidays and a successful new year.

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COMMON Board Elections

Time for a little politisizing here  … well, not really.

With the COMMON conference a few months away, the COMMON organization announced the candidates for the next board of directors election.

Running for the three board positions available are … Read the rest of this entry »

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Another PTF Oops

Thanks to Bryan Dietz, we found another “oopsie” in a PTF cover sheet …

Warning, this contains language that some might find objectionable … but most will laugh.

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COMMON won’t be the same

As I mentioned in a previous post, there are going to be a lot of major changes at the next COMMON conference … and some of those changes are having impact:

Jon Paris & Susan Gantner are not going to be presenting.

I know for a fact that Jon & Susan are extraordinarily popular and good presenters at COMMON.  Whenever someone asks me what sessions to attend, I always say “Anything by Jon & Susan completely justifies the cost of the conference”.

I have a suspicion about other popular presenters … Scott Klement, Paul Tuohy, etc … but haven’t heard anything concrete yet.

Jon & Susan: I for one am going to miss you.

p.s.: FWIW: This was not unexpected.

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Linux Desktop for IBM i Users

Aaron Bartell, and a few others, came up with a pretty neat idea:  A Linux desktop for IBM i developers (and/or users).

Based on Ubuntu, the desktop environment would provide tools that an IBM i developer needs.

  • 5250 Emulator
  • IDE
  • Mail
  • Web
  • Etc…

A list has been created to coordinate the project … LinuxDesktop4i.

Check it out if you’re interested in moving away from Windows or Mac.

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Promoting the i

Trevor Perry’s recent blog post Asleep at the wheel asks “How many of you have told someone outside this community about this amazing platform?”

Well, I for one, can say that I did just that … and continue to do so as often as I can.
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Analyzing Commands with Java

As I’ve mentioned in previous posts … building tools can be a fun & rewarding part of the job.

As part of a recent programming task, I had to do some analysis on commands to determine what parameters were supported in the SQL variant of the language compiler and what parameters were not supported.

I knew that the QCDRCMDD command could extract a commands definition to XML … and a little digging determined that the JT400 object Command could do it in Java.

A little bit of XML processing and I could get some good analysis very easily…

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Reality Check: Workstation Backups?

As IT professionals, we are (or should be) quite obsessed with backups.

The question is … does our obsession go far enough?

Yes, I’m sure our IBM i systems are all backed up quite securely … with tapes being rotated and taken off site.  Probably even a solid HA solution to mirror your operational environment to another machine.

But how many of us backup our workstations?

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Mail delivery problems with Yahoo

For quite a while now Yahoo has been temporarily rejecting connections from my mail servers ‘due to user complaints’.

I joined their Abuse Feedback Loop program so I would be informed of these user complaints.

Unfortunately, the feedback loop isn’t working that well … as my server’s connections are still being deferred, but I’m not getting a lot of complaint feedback. Yahoo hasn’t returned any of my emails regarding it.

You can read more about the issue on my personal blog: http://www.geekyramblings.org/2009/08/25/yahoo-complaint-feedback-loop-redux/

As it is now, mail sent to Yahoo hosted email accounts will probably be rather significantly delayed (at least hours).

I don’t to have any similar problems with Gmail, Hotmail, or Comcast.

If you have any further questions about this, feel free to contact me directly.

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