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4 articles
Error handling, caching, attachments, components, environment variables and elevated privileges — the Power Apps questions experienced candidates are actually asked, with answers that survive a follow-up.
Rajiv Kumar·Apr 15, 2024·6 min read
Adding comments to a record in a canvas app is a common requirement and a good illustration of delegation, concurrency and refresh. The straightforward version is subtly wrong in three ways, all of which appear only once real data arrives.
Rajiv Kumar·Jan 3, 2024·5 min read
A reference for the fundamentals that most Power Apps material states without explaining: what problem the platform solves, when it is the wrong tool, how Power Fx differs from a scripting language, and why delegation is a correctness concern.
Rajiv Kumar·Jan 13, 2021·7 min read
Power Fx is easy to write badly because it accepts procedural code. These are the patterns that hold up once an app has thirty screens and someone else has to change it: derive rather than store, handle errors where they happen, and give components real boundaries.
Rajiv Kumar·Jan 13, 2020·6 min read
