pete peter-mghendi

🧑‍🔬

Doing science.

peter-mghendi / dotnetvm.sh

Last active December 16, 2025 19:58

Poor man's version manager for .NET

	#!/usr/bin/env bash
	set -euo pipefail

	# Root folder of your .NET installs.
	# Override by exporting DOTNET_VERSIONS_ROOT if you don't use $HOME/dotnet
	DOTNET_VERSIONS_ROOT="${DOTNET_VERSIONS_ROOT:-"$HOME/dotnet"}"

	die() {
	echo "error: $*" >&2
	exit 1

peter-mghendi / scratch.sh

Last active November 6, 2025 20:23

Collection of random usefiul bash commands

	# Installing Android SDKs and accepting SDK license agreements for a net10.0-android project.
	# Requires JDK 17 now, up from JDK 11 requirement in net9.0-android.
	# Target is InstallAndroidDependencies, so this won't actualy build the project, still need to run dotnet build.
	dotnet build -t:InstallAndroidDependencies -f net10.0-android "-p:AndroidSdkDirectory=/home/peter/Android/Sdk" "-p:AcceptAndroidSDKLicenses=true"

peter-mghendi / loc.sh

Last active September 4, 2025 08:47

A shell script that interactively lets you explore code stats for any public GitHub repo. Depends on `curl`, `gum` and `jq`.

	#!/usr/bin/env bash
	set -euo pipefail

	#--- helpers ---------------------------------------------------------------#
	need() { command -v "$1" >/dev/null 2>&1 \|\| { echo "Missing dependency: $1" >&2; exit 1; }; }
	die() { gum style --foreground 1 --bold "Error:" -- "$*"; exit 1; }

	need awk
	need curl
	need gum

peter-mghendi / RelatedChatRecommender.cs

Last active April 20, 2025 18:18

	using Microsoft.EntityFrameworkCore;
	using Microsoft.Extensions.Caching.Hybrid;
	using OpenLines.Data;
	using OpenLines.Data.Models;
	using static System.Math;
	using static System.TimeSpan;
	using static Microsoft.EntityFrameworkCore.EF;

	namespace OpenLines.Services;

peter-mghendi / App.axaml

Last active February 16, 2025 20:36

Source-generated ViewLocator for AvaloniaUI.

	<Application xmlns="https://github.com/avaloniaui"
	xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
	xmlns:themes="clr-namespace:Material.Styles.Themes;assembly=Material.Styles"
	xmlns:dialogs="clr-namespace:DialogHostAvalonia;assembly=DialogHost.Avalonia"
	xmlns:infrastructure="clr-namespace:Gringotts.Infrastructure"
	x:Class="Gringotts.App"
	RequestedThemeVariant="Default">

	<Application.DataTemplates>
	<infrastructure:SourceGeneratedViewLocator/>

peter-mghendi / VaultIgnore.cs

Last active February 8, 2025 16:56

A little service class that uses filesystem globbing to implement .gitignore-like functionality.

	using Gringotts.Core.Models;
	using Microsoft.Extensions.FileSystemGlobbing;

	namespace Gringotts.Core.Services;

	public class VaultIgnore
	{
	private readonly string _ignore;
	private Matcher _matcher = DefaultMatcher;

peter-mghendi / delete_cascade.sql

Created February 7, 2025 09:45

Postgres function to recursively delete dependent rows.

	-- credit https://stackoverflow.com/a/19103574
	create or replace function delete_cascade(p_schema varchar, p_table varchar, p_key varchar, p_recursion varchar[] default null)
	returns integer as $$
	declare
	rx record;
	rd record;
	v_sql varchar;
	v_recursion_key varchar;
	recnum integer;
	v_primary_key varchar;

peter-mghendi / versioning.sh

Created January 26, 2025 14:39

Compare numeric versions in bash and do something if a newer version is provided.

peter-mghendi / HostBasedRouteInterceptor.java

Created October 26, 2024 08:37

Poor man's multitenancy.

	package com.example.app.interceptors;

	import static jakarta.servlet.http.HttpServletResponse.SC_NOT_FOUND;

	import com.example.app.config.RouteProperties;
	import jakarta.servlet.ServletException;
	import jakarta.servlet.http.HttpServletRequest;
	import jakarta.servlet.http.HttpServletResponse;
	import jakarta.validation.constraints.NotNull;
	import java.io.IOException;

peter-mghendi / GuidBackport.cs

Created July 21, 2024 10:04

Backport of Guid.CreateVersion7 from .NET 9.

	public static class GuidBackport
	{
	private const ushort Version7Value = 0x7000;
	private const ushort VersionMask = 0xF000;
	private const byte Variant10xxValue = 0x80;
	private const byte Variant10xxMask = 0xC0;

	/**
	* Backport of Guid.CreateVersion7() from .NET 9
	*/