Writings by Walt Technical

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*Technical Writings by Walt Nelson*
Some articles are Copyright 4D Inc. or Dimensions Tech Journal. Posted with permission (See below).
4D Technical Notes Developing with 4D Server Part 1: Advantages of 4D Server Multi-User Development Developing with 4D Server Part 2: Setting Up a Multi-Developer Password System Developing with 4D Server Part 3: Naming Conventions for Multi-Developer 4D Projects Keeping 4D's Memory 'Clean' - Part 1 Keeping 4D's Memory 'Clean' - Part 2 The 4D Search Engine and Set Theory Optimizing Record Selections: Under the Hood of the 4D Data File - Part 1 (with Jean-Pierre Ribreau) Optimizing Record Selections: Under the Hood of the 4D Data File - Part 2 (with Jean-Pierre Ribreau) Breaking the Rules to Improve Performance, Part 1: Expanding the Concept of a Keywords Subfile Breaking the Rules to Improve Performance, Part 2: Using 4D's Built-in Relational Search Engine Seven Powerful Uses of 4D Choice Lists Backup & Recovery Strategies for Mission-Critical 4D Databases Part 1: General Principles of Backup & Recovery Backup & Recovery Strategies for Mission-Critical 4D Databases Part 2: Automatic Backup and Mirroring with 4D Backup	4D Technical Notes (Continued) Manipulating Arrays, Strings, and Dates in 4th Dimension Using the 4D Method Flowchart Editor The 4D User Environment Wizards (of 4D Version 6.X) Dimensions Magazine Articles Sayonara Arealist: Creating Subforms in Native 4D (An extensive discussion of ways to extend the power of 4D's Subforms) Should You Create a Vertical Market Product with 4D? Using Hierarchical Lists as Space-Savers (A complete discussion of Hierarchical Lists and how they work) Mastering 4th Dimension: The EXECUTE Command Mastering 4th Dimension: The RESOLVE POINTER Command The Mobile Consultant's Toolkit (A guide to commercially available products for the consultant-on-the-road) To ask questions or give us your comments about this web site: mailto:Walt@WaltNelson.com or call (408) 832-7225.

These writings have previously been published either as 4D Technical Notes or as articles in the Dimensions Tech Journal.
** While Walt was the Director of Technical Support at 4D Inc., in 1996 and 1997, he wrote more than 20 Technical Notes concerning various aspects of 4D. Although some details of how 4D works have changed, the basic underlying architecture remains the same. Therefore, with the kind permission of 4D Inc, Walt is making these Tech Notes available here.

** From 1997 through the present, Walt has been a regular contributor of articles to the Dimensions Tech Journal. (In fact, Since late 1999, Walt has also been the Editor of Dimensions). With the kind permission of Mark Yelich, the Publisher of Dimensions, these articles are made available here.

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