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Description for Tag: "dotnet"

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Level UI • 17 hours • in Articles • 9 min read
An MCP server is not a new API. It is a thin layer over the one you already have
Somewhere in the last year, "do we need an MCP server?" joined the list of questions that arrive in a brief before anyone has said what the thing is for. It is usually framed as MCP vs API, as though the Model Context Protocol were a newer kind of AP...
post-cover-33074
  • ai
  • api
  • webdev
  • security
7 Reactions 7 Comments
jeff377 • 3 hours • in Articles • 12 min read
Day 2: An Overview of Definition-Driven Architecture
The previous post, Why ERP Needs a Definition-Driven Frameworkhttps://coderlegion.com/33030/day-1-why-erp-needs-a-definition-driven-framework, ended by promising this one would be about which decisions a framework should make on its users' behalf. T...
post-cover-33157
  • dotnet
  • architecture
  • erp
  • software-engineering
0 Reactions 0 Comments
Bansi Sojitra • 22 hours • in Articles • 3 min read
How to Build Better Full Stack Applications by Solving Small Problems First
As a full stack developer, I’ve learned that building a web application is not just about writing code or choosing the right framework. It’s about understanding problems, finding practical solutions, and making sure everything works together smoothly...
  • webdevelopment
  • dotnet
  • fullstackdevelopment
2 Reactions 0 Comments
jeff377 • 1 day • in Articles • 4 min read
ERP Architect's Notes: Designing a Definition-Driven Framework · Series Index
> The complexity of an ERP is not in how hard any single feature is. It is in how many times the same fact gets restated, multiplied by how many tables, multiplied again by how many customizations. A thirty-post series written for iThome Ironman 202...
post-cover-33029
  • dotnet
  • architecture
  • erp
  • software-engineering
2 Reactions 0 Comments
jeff377 • 1 day • in Articles • 15 min read
Day 1: Why ERP Needs a Definition-Driven Framework
This is the first post in a thirty-part series, ERP Architect's Notes: Designing a Definition-Driven Framework. What follows is not about building one form with some framework. It is about designing a framework that can drive hundreds of forms: whic...
post-cover-33030
  • dotnet
  • architecture
  • erp
  • software-engineering
2 Reactions 0 Comments
jeff377 • 1 day • in Articles • 11 min read
A JSON-RPC Library With No Method Registration: How Does It Decide What Can Be Called?
JSON-RPC 2.0 is a small specification: the client sends {"jsonrpc":"2.0","method":"...","params":{...},"id":1}, and the server answers with a result or an error. REST makes you decide on routes, HTTP verbs and status codes; JSON-RPC only cares about ...
post-cover-32964
  • dotnet
  • csharp
  • aspnetcore
  • opensource
2 Reactions 1 Comments
Ivan Rossouw • 2 days • in Articles • 4 min read
A Stopwatch Needs an Isolated Lane
Timing tests look wonderfully objective. Start a stopwatch, call the component, stop the watch, and compare the result with a budget. The number is precise. The experiment may not be. That distinction matters in continuous integration, where many t...
  • dotnet
  • testing
  • devops
  • reliability
0 Reactions 0 Comments
Spyros • 3 days • in Articles • 1 min read
From Anemic Models to Rich Domain Models, DDD Base Entities, and C# Records
When building enterprise applications in C#, a common architectural trap is writing procedural code disguised as object-oriented code. This usually happens when we rely entirely on anemic data bags public get; set; DTOs for business logic, forcing ou...
  • csharp
  • dotnet
  • oop
  • cleanarchitecture
2 Reactions 2 Comments
Tom Smithverified • 14 hours • in Articles • 9 min read
Developer Weekly Briefing — October 30, 2026
Security dominated this week, but not in the usual way. Two active campaigns turned GitHub configuration files into attack surfaces. Researchers demonstrated that the built-in browsers inside AI coding tools can read your SSH keys. And at Oracle AI ...
post-cover-33104
  • agenticai
  • devsecops
  • github
  • localai
6 Reactions 3 Comments
Posted in .NET Community group
Jakub Neruda • 3 days • in Articles • 1 min read
Tuesday Coding Tip 28 — (de)serializing JSON string enum in C#
Tuesday coding tips are super short posts about various tidbits mainly from C++, but also from other programming languages I use. You can also follow the #TuesdayCodingTips hashtag on Mastodon and Linkedin. Last time I covered C# JSON serialization,...
  • tuesday-coding-tips
  • dotnet
  • csharp
1 Reactions 2 Comments
Ivan Rossouw • 4 days • in Articles • 4 min read
A Query Window Is Not a Calendar Day
Software often uses broad time windows for good reasons. A dashboard may need recent history, work that is actionable now, and the next scheduled item. Fetching all of that in one bounded query can be efficient and easy to reason about. The trouble ...
  • dotnet
  • csharp
  • testing
  • reliability
0 Reactions 0 Comments
Ivan Rossouw • 5 days • in Articles • 4 min read
Idempotency Should Resume Partial Work, Not Hide It
Idempotency is usually introduced with a simple promise: run the operation again and it will not create a duplicate. That promise is useful, but it can become dangerous when we apply it to an entire workflow instead of the specific durable step it p...
  • dotnet
  • csharp
  • architecture
  • reliability
0 Reactions 1 Comments
Ivan Rossouw • 6 days • in Articles • 4 min read
Let the Router Own the Next Paint
Navigation bugs are often judged by their final state. Did the correct page appear? Did the authorization check pass? Did the URL settle on the expected address? Those questions matter, but they can miss the frame that users actually notice. In a r...
  • blazor
  • dotnet
  • webdev
  • testing
0 Reactions 1 Comments
Ivan Rossouw • Oct 23 • in Articles • 4 min read
Tolerant Decoding, Strict Release Gates
A release verifier has two jobs that are easy to blur together. It must understand the representation produced by the build chain, and it must enforce the policy that decides whether an artifact may leave that chain. Those jobs need different attitu...
  • dotnet
  • mobile
  • devops
  • testing
0 Reactions 0 Comments
Ivan Rossouw • Oct 22 • in Articles • 4 min read
An Empty Field Is Still Signed Data
An empty form field looks unimportant. In ordinary application logic, treating an empty value like a missing value is often reasonable. In signature verification, that assumption can reject a legitimate message—or, in a different protocol, verify a r...
  • dotnet
  • csharp
  • security
  • testing
2 Reactions 1 Comments
Ivan Rossouw • Oct 21 • in Articles • 4 min read
Put the Concurrency Gate Before the Side Effect
Many concurrency bugs begin with code that looks entirely reasonable: 1. Read the current row. 2. Check that the operation is still allowed. 3. Create something durable elsewhere. 4. Save the original row as complete. Run once, the workflow is corr...
  • dotnet
  • csharp
  • efcore
  • architecture
3 Reactions 0 Comments
Ivan Rossouw • Oct 20 • in Articles • 4 min read
Test the Owner, Not the Teardown
Flaky lifecycle tests often produce a tempting diagnosis: the cleanup code must be unreliable. Sometimes that is true. Sometimes the test is asking a framework harness to prove a narrower ownership contract, and the harness is free to finish work on ...
  • dotnet
  • blazor
  • testing
  • csharp
1 Reactions 0 Comments
Spyros • Oct 19 • in Articles • 1 min read
Unlocking Static Polymorphism in C# 11: Static Abstract Interface Members
For years, C# interfaces were limited strictly to instance members. If you wanted to define a contract requiring a class or struct to implement a static method like a string parser or a factory method you had to rely on reflection, runtime type che...
  • c#
  • dotnet
5 Reactions 2 Comments
Ivan Rossouw • Oct 18 • in Articles • 4 min read
Hand Off Intent, Not Authority
Moving a user from one application host to another often looks harmless. A button opens a browser, the user continues, and the original client waits for them to return. Architecturally, that is not merely navigation. It is a trust-boundary decision....
  • dotnet
  • blazor
  • security
  • architecture
2 Reactions 0 Comments
Ivan Rossouw • Oct 17 • in Articles • 4 min read
Soft Delete Is a Model Contract, Not a Repository Habit
Soft deletion often begins innocently: add an IsDeleted flag, remember to exclude retained rows, and move on. That works until the application grows into several modules, several DbContext types, and configuration spread across assemblies. At that p...
  • dotnet
  • efcore
  • csharp
  • architecture
1 Reactions 0 Comments
Ivan Rossouw • Oct 16 • in Articles • 4 min read
Queued Work Is a Snapshot, Not the Truth
Background work is usually introduced to make a system more reliable. We persist an intent, let the request finish, and deliver the external side effect later. That protects the user-facing path from temporary provider failures and gives us room for ...
  • dotnet
  • reliability
  • architecture
  • testing
0 Reactions 1 Comments
Ivan Rossouw • Oct 15 • in Articles • 4 min read
Isolation Is Sometimes a Feature, Not a Smell
Two projects expose similar helpers. One has no project references. It is missing from the solution most developers build every day. The obvious reaction is understandable: share the code, add the reference, and bring the lonely project back into the...
  • dotnet
  • maui
  • architecture
  • testing
1 Reactions 1 Comments
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