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  1. Disclaimer: the technique shown in this article is an attempt to work around an annoyance that can crop up when using FileMaker’s native JSONSetElement function. Use with appropriate caution and at your own risk. Acknowledgement: I owe a debt of gratitude to Paul Jansen for many illuminating JSON-related discussions over the last year or so.… Continue reading FM18: JSON.UpdateArrayElement Afficher la totalité du billet
  2. Recently I was working in FM 17 and ran into an unexpected bug. My use case was more complex than this, but the following bare bones demo illustrates the problem. Demo file: List+GetNthRecordBug.zip Given two tables joined via a standard primary-key-to-foreign-key equijoin relationship… This works as expected. You might think you could get rid of… Continue reading Fixed in 18: List + GetNthRecord Bug Afficher la totalité du billet
  3. Today we’re going to dig a little deeper into the new-in-18 While function, and to avoid repetition, will assume readers are familiar with last month’s article on SetRecursion and While. We’ll examine some new examples ranging from basic to advanced, talk about the circumstances under which While can use variables previously declared via Let, and […] Afficher la totalité du billet
  4. Author’s note: Inevitable comparisons will be drawn between the new While function and the venerable CustomList custom function, which I wrote about at length several years ago. Preliminary testing indicates that CustomList is faster under certain circumstances and While is faster under others. In my opinion, both of them belong in your developer tool kit. […] Afficher la totalité du billet
  5. Today we’re going to look at a design pattern I’ve recently been using to accommodate a client requirement: to be able to view and edit a parent, all related children, and all related grandchildren via a single “flattened” interface. Demo file: magic-portals.zip (requires FM 16 or later) Some Background Information Invoices received from vendors are […] Afficher la totalité du billet
  6. Editor’s note: Geoff Gerhard of Creative Solutions is one of those “quiet” developers who has been helpfully sharing his knowledge in online FileMaker forums for more than 20 years. I personally have benefited enormously from his expertise, and am pleased to feature his first appearance as a guest author here on FileMaker Hacks. Demo file: […] Afficher la totalité du billet
  7. Today I want to talk about a potential problem lurking in a small percentage of FileMaker solutions, and discuss various options for mitigating it. As you may know, there are three ways to display a new window… Via the New Window script step Via the Go To Related Record script step Manually via Window > […] Afficher la totalité du billet
  8. Editor’s note: I first became aware of Paul Jansen when I licensed his FMTools in the late 1990s, and I finally had the pleasure of meeting him last June at dotFMP after 20 years of online and voice communication. It’s an honor and a privilege to welcome him to FileMaker Hacks as a guest author. […] Afficher la totalité du billet
  9. It’s been a few years since we last had a tips ‘n’ tricks article here at FileMaker Hacks… long enough for some new items to accumulate in the old developer bag of tricks. (If you like this sort of thing, you may also want to check out part 1 and part 2.) Some of these […] Afficher la totalité du billet
  10. Recently we’ve looked at two methods to generate a “faux” subsummary to address a shortcoming of FileMaker native subsummaries… namely that in a multipage report you can have orphaned entries at the top of a given page with no indication of what parent entity they belong to. The methods were documented here: Conditional Summary Report […] Afficher la totalité du billet
  11. Today we’re going to take another look at a challenge we discussed last time (in Conditional Summary Report Header)… namely how to cajole FileMaker into displaying a subsummary, or a reasonable facsimile thereof, at the top of a report page when items in the group begin on an earlier page. Demo file: Faux Subsummaries via […] Afficher la totalité du billet
  12. Recently I received an email wondering… When printing a multipage report sorted by a sub-summary, is there a way to display the sub-summary heading on the following page when it breaks across two or more pages? There are various approaches one might take, and I actually buried one of those approaches inside an article + […] Afficher la totalité du billet
  13. This a quick followup to last month’s part 2, because today I want to to dig a little deeper into JSONSetElement and take a closer look at the first argument: As I wrote last time… Part of what makes JSONSetElement so powerful is that it can be used both to create new entries, and to […] Afficher la totalité du billet
  14. This is a follow up to Thinking About JSON, Part 1. Last time we were primarily concerned with learning about JSON paths and structures, and reading JSON. This time around we’re going to look at creating and manipulating JSON. Demo file: winery-json.zip (If the above screen shot looks familiar you have a good memory, because […] Afficher la totalité du billet
  15. Acknowledgement: As always a huge thank you to Bruce Robertson, for inventing virtual list, and for many other contributions to the FM community over the years. Introduction As a follow up to my recent “Virtual List on Steroids” presentations at DIG-FM and dotFMP, today I want to take a fresh look at using JSON arrays […] Afficher la totalité du billet
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