Volume 15, Number 05 -- March 17, 2015
The next issue of Four Hundred Guru will publish on March 31.
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In the first IBM i Marketplace Survey, 350 IT professionals revealed how organizations large and small use IBM i and the IT issues that concern them the most.

Find out how many organizations plan to stay on the platform, which IT projects top their to-do lists, and what this means for the future of IBM i.

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Death To Decimal Data Errors!
by Jon Paris

We have all encountered decimal data errors at some time or another. The biggest difficulty they present is that, by the time they have been detected, no recovery is possible. Or to be more precise, no practical recovery is possible. In my previous tip, I mentioned that one of the benefits of data structure I/O is that you can avoid decimal data errors. In this tip I'm going to show you how and why that works. READ MORE >

SQL Joins With Tree Structures: An Oracular Point Of View
by Ted Holt

Tree structures are a part of life, especially in the world of manufacturing, where I make my living, so we may as well learn to deal with them. Today I return to this topic, featuring another tool that you can use to tackle the traversal of trees. READ MORE >

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A Ruby And RPG Conversation
by Aaron Bartell

Due diligence and risk assessment are phrases that should be running through your head anytime technology decisions are being made where new tooling or ideas are being put into production. The same is true when considering whether the Ruby language has a place in your shop. After all, it is a significant change in direction when introducing a new language to your technology stack. READ MORE >

Reader Feedback and Insights

We value your feedback and insights.  Feel free to send a letter to the editor.  Letters may be printed, unless otherwise specified, and edited for clarity or length. READ MORE >

Senior Technical Editor: Ted Holt
Technical Editor: Joe Hertvik
Contributing Technical Editors: Edwin Earley, Brian Kelly, Michael Sansoterra
Publisher and Advertising Director: Jenny Thomas
Advertising Sales Representative: Kim Reed
Contact the Editors: To contact anyone on the IT Jungle Team
Go to our contacts page and send us a message.

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The Four Hundred
Look Ahead With IBM To 2018

IBM i Shops Turn To MSPs For Help

Splunking Through IBM i Log Mysteries

As I See It: In the Land of the Panel Beaters

Storagepipe Takes Aim At IBM i Tape Backup And Recovery

Four Hundred Monitor
Four Hundred Monitor's
Full iSeries Events Calendar

System i PTF Guide
March 14, 2015: Volume 17, Number 11

March 7, 2015: Volume 17, Number 10

February 28, 2015: Volume 17, Number 09

February 21, 2015: Volume 17, Number 08

February 14, 2015: Volume 17, Number 07

February 7, 2015: Volume 17, Number 06

The Platform
How This Battery Cut Microsoft Datacenter Costs By A Quarter

The Tiny Chip That Could Disrupt Exascale Computing

Lessons And Time Drive Better Microserver Designs

Future Xeon Phi Specs Emerge At Open Compute Summit

SUSE Shares View on HPC to Enterprise Transition

A Deep Dive Inside The HP Cloudline Servers

HPC Clusters Lead a Double Life with Hadoop

Hyperscale, Cloud Drive Infrastructure Capacity Up, Prices Down

AMD Hints At Future HPC Push

Intel Crafts Broadwell Xeon D For Hyperscale

Broadwell Xeon D Chips Give Intel Datacenter Breadth

Where is Lustre Finding its Brightest Shine?


ProData Computer Services
WorksRight Software

Death To Decimal Data Errors!

SQL Joins With Tree Structures: An Oracular Point Of View

A Ruby And RPG Conversation

Four Hundred Guru


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