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Recent posts tagged csharp

Description for Tag: "csharp"

A modern, object-oriented programming language developed by Microsoft.
Level UI • 20 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 • 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
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
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
Tom Smithverified • 16 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
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
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 14 • in Articles • 4 min read
A Passing Test Can Still Prove Nothing
Some of the most misleading tests are not flaky, slow, or obviously incomplete. They are fast, deterministic, and green. They also pass for the wrong reason. That is especially dangerous in fault-tolerant code. A test may claim that a failed depend...
  • dotnet
  • testing
  • reliability
  • csharp
0 Reactions 0 Comments
Posted in .NET Community group
Jakub Neruda • Oct 13 • in Articles • 2 min read
Tuesday Coding Tip 26 — JSON (de)serialization 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. In need of a JSON deserializer in C#? One ...
  • tuesday-coding-tips
  • dotnet
  • csharp
2 Reactions 2 Comments
Ivan Rossouw • Oct 10 • in Articles • 4 min read
The Async Result Belongs to the Snapshot That Started It
Modern client components are long-lived, reactive, and full of asynchronous work. That combination creates a subtle class of defect: a response can be factually correct for the request that produced it, yet wrong for the screen that exists when it ar...
  • dotnet
  • blazor
  • csharp
  • testing
0 Reactions 0 Comments
YurkoFlisk • Oct 5 • in Articles • 2 min read
Building Reliable Backend Applications with C# and .NET
Backend development is more than writing code that works. For me, it is about building systems that are reliable, maintainable, secure, and capable of supporting real business needs. My main experience is with C#, .NET, ASP.NET Core, SQL Server, and...
  • csharp
  • dotnet
  • backenddevelopment
  • sqlserver
2 Reactions 1 Comments
Ivan Rossouw • Oct 1 • in Articles • 4 min read
Project the Response, Not the Cache
A response can be correct for one caller and still leave the application in a worse state for everyone who follows. This is an easy trap in ASP.NET Core when a result filter, formatter, or middleware needs to change a few fields before a response le...
  • dotnet
  • aspnetcore
  • csharp
  • testing
0 Reactions 1 Comments
Ivan Rossouw • Sep 30 • in Articles • 4 min read
Treat Every ID as an Authorization Claim
Authentication answers one important question: who made this request? It does not answer a second question that often hides inside an ordinary-looking query parameter: may this caller name the record represented by this identifier? That gap is easy ...
post-cover-29225
  • dotnet
  • csharp
  • security
  • aspnetcore
0 Reactions 1 Comments
HoangNC_VNML • Sep 30 • in Articles • 2 min read
At 43, the Vietnamese IT Market Calls Me "Too Old" — I Still Write Code Every Day
> Originally published at vnmlstudio.runasp.nethttps://vnmlstudio.runasp.net/en/blogs/story-behind-vnml-agent-framework.html I'm 43 years old. Last week, a recruiter told me I'm "too old for the position" — politely, of course, but the message was c...
post-cover-29217
  • career
  • motivation
  • csharp
  • opensource
7 Reactions 2 Comments
Ivan Rossouw • Sep 29 • in Articles • 4 min read
A Lifetime Is a Hold, Not the Worker
IDisposable and IAsyncDisposable make lifetime management feel pleasantly local: acquire something, use it, dispose it. That model is reliable when the acquired value has exclusive ownership of an independent resource. It becomes dangerous when seve...
  • dotnet
  • csharp
  • maui
  • testing
1 Reactions 0 Comments
Ivan Rossouw • Sep 28 • in Articles • 4 min read
Design the Cursor, Not Just the Query
Pagination is often introduced as a performance improvement: fetch fewer rows, render less markup, and keep response sizes predictable. That is only half the job. For an operational queue that changes while people work, pagination also defines what ...
  • dotnet
  • csharp
  • blazor
  • testing
4 Reactions 1 Comments
Ivan Rossouw • Sep 23 • in Articles • 4 min read
Recommendations Are Not Decisions: Designing an Auditable Human Boundary
Software is very good at making a calculation look authoritative. Give a rule engine enough inputs and it can return a crisp result in milliseconds. In a consequential workflow, that neatness is dangerous: a computed recommendation can quietly become...
  • csharp
  • architecture
  • leadership
  • testing
2 Reactions 0 Comments
Guetaquant • Sep 21 • in Articles • 3 min read
cTrader cBot Risk Engine: High-Precision C# Dynamic Stop-Loss Architecture
Static stop-losses break across volatility regimes. A fixed 20-pip stop that is conservative on EUR/USD during Asia session is noise-level on XAU/USD during New York open. In cTrader Automate C#, the robust pattern is a dedicated risk engine: signal ...
  • csharp
  • ctrader
  • algorithmictrading
  • quant
4 Reactions 3 Comments
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