7 min read
Write Skew: The Anomaly Snapshot Isolation Does Not Catch
Two transactions each read what the other writes, both commit, and an invariant dies. Snapshot isolation allows write skew — here is how to close the hole.
The Augmented Dev377 posts · 7 themes
Notes from the edges of enterprise software.
Field-tested patterns, honest postmortems, and short tactical fixes on Claude, MCP, system design, Dynamics 365, and the modern web. Written for engineers who ship.
Categories
Browse by theme
83 posts
Dynamics 365
Guides and insights for Dynamics 365 Finance & Operations, Sales, Customer Service, and Copilot.
Explore
55 posts
Power Platform
Tutorials and tips for Power Automate, PowerApps, and the broader Power Platform ecosystem.
Explore
20 posts
Coding & System Design
System design, modern web development with Next.js, React, .NET, Azure, and practical coding guides.
Explore
17 posts
Tech Stories & DevOps
DevOps practices, PowerShell tips, and stories from the trenches of enterprise tech.
Explore
92 posts
System Design
Deep dives into designing scalable, reliable systems — URL shorteners, chat apps, rate limiters, caching, and more.
Explore
20 posts
AI & Agents
Practical guides on Claude, the Model Context Protocol (MCP), agent architectures, prompt caching, and tool use in production.
Explore
105 posts
Technical Interview
FAANG-style coding interview prep — real questions with Python solutions, organized by the nine patterns that cover most of what interviewers ask.
Explore
Start here
Series
Power Automate gotchas
Nulls, blank dates, concurrency, duplicates, retries, and the trigger quirks that take production flows down.
31 articles
X++ performance
Indexes, set-based operations, temp tables, batch parallelism, and the Trace Parser habits that keep F&O jobs under an hour.
6 articles
Copilot in Dynamics 365
Grounding, plugins, MCP, and the production constraints of Copilot in Sales, Customer Service, and Finance.
10 articles
F&O and Dataverse integration
Dual-write, virtual entities, business events, DMF, and choosing an integration pattern that survives One Version.
11 articles
Recent writing
Latest posts
3 min read
Pass the CancellationToken or the Work Continues After the Client Left
ASP.NET Core binds CancellationToken to the aborted request. Forward it to EF Core and HttpClient, and do not turn a client disconnect into a 500.
3 min read
Patch in Canvas Apps: The Blank Column That Overwrites a Real Value
Patch writes every column present in the change record, including blanks from empty form cards. How to update only the fields the user actually edited.
3 min read
Daily Temperatures With a Monotonic Stack
LeetCode 739 in Python. The stack stores days still waiting for a warmer one, each index is pushed and popped once, and equal temperatures must not count.
4 min read
Dataverse Cascade Delete: Parental, Restrict, and the Children You Lose
What Parental, Referential Restrict, and Remove Link actually do on delete, assign, and merge, and which preset to pick before a parent row takes its children with it.
3 min read
Designing a Shopping Cart: Price Snapshots, Merge, and No Inventory Hold
A cart is a per-user document, not a reservation. What to store on the line, how to merge an anonymous cart at login, and when the price is allowed to change.