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davidfowl / WaitToStart.cs
Last active October 16, 2024 20:56
Wait to start command
using Microsoft.Extensions.DependencyInjection;
var builder = DistributedApplication.CreateBuilder(args);
builder.AddContainer("redis", "redis").WithExplicitStart();
builder.Build().Run();
public static class ExplicitStartupExtensions
{
@davidfowl
davidfowl / UsingCopilot.md
Created March 30, 2024 22:51
Github copilot

Me using copilot

Copilot_Aspire.mp4
using System.Text.Json;
using System.Text.Json.Serialization;
var data = new[]
{
"Hello"u8.ToArray(),
"Twitter"u8.ToArray(),
"Optimize"u8.ToArray()
}
.Select(m => new Message(m)).ToArray();
@davidfowl
davidfowl / TimeHttpEvents.cs
Last active August 7, 2024 01:57
Using Yarp.Telemetry.Consumption to track outbound network events (this package isn't tied to YARP)
using System.Diagnostics;
using System.Net.Sockets;
using System.Security.Authentication;
using Yarp.Telemetry.Consumption;
var builder = WebApplication.CreateBuilder(args);
builder.Services.AddTelemetryConsumer<TelemetryConsumer>();
var app = builder.Build();
public static class ConfigurationBinderExtensions
{
public static ValidateOptionsResult BindAndValidate<TOptions>(this IConfiguration configuration, TOptions instance) where TOptions : class, new()
{
configuration.Bind(instance);
var validateOptions = new DataAnnotationValidateOptions<TOptions>(Options.DefaultName);
return validateOptions.Validate(Options.DefaultName, instance);
}
}
@davidfowl
davidfowl / FromSqlInterpolatedStringHandler.cs
Last active July 3, 2023 12:55
Implementation of parameterized sql queries using string interpolation handlers
using System.Data.Common;
using System.Runtime.CompilerServices;
using System.Text;
using Npgsql;
GetCatalogItemsSql(null, null, null, 10);
void GetCatalogItemsSql(int? catalogBrandId, int? before, int? after, int pageSize)
{
// This looks like it would be susceptible to SQL injection, but it's not.
@davidfowl
davidfowl / SingleThreadedScheduler.cs
Created October 11, 2022 02:53
A sample showing how to schedule work on a single thread
using System.Collections.Concurrent;
using System.Threading.Channels;
var channel = Channel.CreateUnbounded<int>();
var syncContext = new SingleThreadedSyncContext();
syncContext.Post(async _ =>
{
await foreach (var item in channel.Reader.ReadAllAsync())
@davidfowl
davidfowl / DefaultConfigProvider.cs
Last active July 16, 2024 08:12
Allows specifying default configuration values in code while still allowing other sources to override
using Microsoft.Extensions.Configuration.Memory;
var builder = WebApplication.CreateBuilder(args);
builder.Configuration.AddConfigurationDefaults(new()
{
{ "request:timeout", "60" }
});
var app = builder.Build();
@davidfowl
davidfowl / Minimal-protobuf.cs
Last active October 8, 2024 09:15
Minimal + protobuf
using Microsoft.AspNetCore.Http.Features;
using Microsoft.AspNetCore.WebUtilities;
using ProtoBuf;
var builder = WebApplication.CreateBuilder(args);
var app = builder.Build();
app.MapGet("/", () => "POST a protobuf message to the /");
app.MapPost("/", (Proto<Person> p) => Results.Extensions.Protobuf(p.Item))
.Accepts<Person>("application/protobuf");
using System.IO.Pipelines;
using System.Net;
using System.Net.Security;
using Microsoft.AspNetCore.Connections;
using Microsoft.AspNetCore.Connections.Features;
using Microsoft.AspNetCore.Http.Features;
using Microsoft.AspNetCore.Server.Kestrel.Core;
var builder = WebApplication.CreateBuilder(args);