SQLite | Ecosyste.ms: Awesome

https://github.com/f0rk-it/quickdash

QuickDash is a Flask-based web application for ordering food online. Users can register, add items to their cart, and proceed to checkout. It provides a smooth and secure user experience with essential e-commerce features.

authentication-backend css delivery-app flask-application flask-backend flask-sqlalchemy html5 python sqlite

Last synced: 04 May 2026

https://github.com/mbailey/sqldown

SQLite is the new markdown. Bidirectional markdown-sqlite converter - query your docs with SQL, export results as markdown.

cli markdown python sqlite

Last synced: 06 May 2026

https://github.com/lazypwny751/verse-hadithdb

verses from quran and hadiths

database islam islamic json quran quran-data sqlite sqlite3

Last synced: 15 Feb 2026

https://github.com/vishvadeep-chauhan/sql-loin-logout-database

android-application kotlin kotlin-android login logout sql sqlite

Last synced: 06 May 2026

https://github.com/notrab/sentry-integration-libsql-client

The Sentry integration for libSQL

libsql sentry sentry-integration sqlite

Last synced: 12 Jul 2025

https://github.com/turbot/steampipe-plugin-trello

Use SQL to instantly query Trello organizations, boards, members, notifications & more. Open source CLI. No DB required.

backup etl golang hacktoberfest postgresql postgresql-fdw sql sqlite steampipe steampipe-plugin trello zero-etl

Last synced: 22 Apr 2025

https://github.com/turbot/steampipe-plugin-pipes

Use SQL to instantly query Turbot Pipes resources across workspaces. Open source CLI. No DB required.

backup etl hacktoberfest postgresql postgresql-fdw sql sqlite steampipe steampipe-plugin turbot turbot-pipes zero-etl

Last synced: 12 Apr 2026

https://github.com/4l1c3-r4bb1t/despcontrol

💵 O DespControl consiste em um gerenciador de despesas.

fastapi jinja python sqlite

Last synced: 13 Feb 2026

https://github.com/ajikamaludin/monitor-doc

aplikasi monitoring dokument dengan reminder ke email

daisyui inertiajs laravel react sqlite tailwindcss

Last synced: 02 Jul 2025

https://github.com/mrinspection/blightedmc

Survival Minecraft Plugin to make the vanilla game harder with custom mobs, items, bosses while being vanilla-friendly

game-design game-development java maven minecraft minecraft-plugin minecraft-server minecraft-server-plugin modding spigot spigot-plugin spigotmc sqlite sqlite-database survival-game

Last synced: 13 Apr 2026

https://github.com/fimbres/t3-live-chat

This is a project about a chat with real time functionality, implementing private and public rooms, developed with the T3 Stack for full-stack typescript development and websockets.

livechat-app nextjs nodejs prisma sqlite tailwindcss trpc typescript websocket

Last synced: 12 Apr 2026

https://github.com/jonatandb/loginsadmin-xamarin-

Administrador de credenciales para Android por Jonatandb

android csharp jonatandb mvvm sqlite xamarin xamarin-android xamarin-forms xaml

Last synced: 28 Feb 2025

https://github.com/afoster/kodi2m3u

Export m3u playlists from a Kodi music video database

go golang kodi music music-video sqlite

Last synced: 27 Mar 2026

https://github.com/m-u-t-e/todoot

Minimal Todo app

cmake cpp cpp20 crow orm rest rest-api sqlite todoapp todolist-application todoweb webserver

Last synced: 07 Aug 2025

https://github.com/mfa/bundesbank-to-sqlite

Convert Bundesbank banking export to a SQLite database

datasette sqlite

Last synced: 05 May 2026

https://github.com/vbcherepanov/claude-total-memory

Persistent memory MCP server for Claude Code & Codex CLI — self-improving agent with 4-tier search, 20 tools

ai-memory ai-tools anthropic chromadb claude-code claude-code-mcp claude-code-plugin claude-memory codex-cli developer-tools knowledge-management llm-tools mcp mcp-server model-context-protocol persistent-memory python self-improving-agent semantic-search sqlite

Last synced: 22 Feb 2026

https://github.com/cleilsonandrade/rocketq

Rocket.q é uma aplicação para gerenciar perguntas anônimas de usuários direcionadas ao dono da página. Desenvolvida durante a #NLW/Together na missão Discover.

anonymous-questions css ejs express feather fullstack html javascript monolith mysql nlw nodejs nodemon rocketseat sql sqlite

Last synced: 09 Apr 2026

https://github.com/rrifafauzikomara/androidsqlite

Android SQLite example with CRUD Operations.

android crud-sample sqlite sqlite-android sqlite-database

Last synced: 23 Jan 2026

https://github.com/hmasum52/android-architecture-basics

Android architecture component basic in Java

android architecture asynctask executor-service java livedata-viewmodel mvvm repository-pattern room-persistence sqlite threadpool

Last synced: 09 May 2026

https://github.com/redraskal/clips

Self-hosted video game clips website using Bun & bun:sqlite.

bun clips ffmpeg sqlite typescript

Last synced: 11 Feb 2026

https://github.com/turbot/steampipe-plugin-ansible

Use SQL to instantly query Ansible resources. Open source CLI. No DB required.

ansible backup etl hactoberfest postgresql postgresql-fdw sql sqlite steampipe steampipe-plugin zero-etl

Last synced: 21 Oct 2025

https://github.com/mobarski/tkv

Table-Key-Value adapter for various db-engines: SQLite, Redis, MongoDB, Snowflake, DuckDB, ...

duckdb key-value mongodb redis snowflake sqlite

Last synced: 09 Apr 2026

https://github.com/slava-vishnyakov/rag_engine

Python package for implementing Retrieval-Augmented Generation (RAG) using OpenAI's embeddings and a SQLite database with vector search capabilities

ai chatbot embeddings information-retrieval language-models machine-learning natural-language-processing nlp openai python rag retrieval-augmented-generation semantic-search sqlite vector-search

Last synced: 27 Dec 2025

https://github.com/serenasensini/TheRedCode-Docker-per-Django-e-Postgres

How to dockerize Django application with Postgres using DjangoGirls Italia project! #theredcode #theredcodeit

django docker sqlite

Last synced: 02 Oct 2025

https://github.com/1mirabbas/whatsapp-chat-analyzer-with-db

🔒 Privacy-focused WhatsApp chat analyzer. Beautiful HTML reports with interactive charts, word clouds, emoji analysis & WhatsApp Web interface. 100% offline.

analysis db messageanalyzer python3 sqlite whatsapp whatsappanalyzer

Last synced: 26 Nov 2025

https://github.com/richardschoen/pythonibmicli

IBM i Python cli Scripts with CL commands to query databases or insert, update delete individual records. These can be used on any platform including IBMi - AS/400 with QSHONI/QSHEXEC

as400 cl cli clp cmd command command-line db2 ibm-db ibm-db-dbi ibmi mariadb pase postgresql python qsh qshell sql sql-server sqlite

Last synced: 11 Apr 2026

https://github.com/ribafs/ribafs.github.io

Meu site no Github com muito conteúdo, mas apenas começando

bootstrap css github html js mvc mysql pdo php phpoo postgtrs react ribafs sqlite

Last synced: 09 Aug 2025

https://github.com/leanh153/youtube

This repository is an android application, user can google account to sign in or Sign in by user's name. Data is stored on SQLite. this uses Youtube api v3 to to get video's information and play.

android android-application googlesignin sqlite sqlite-database youtube-api-v3 youtube-player

Last synced: 17 Apr 2026

https://github.com/abdelrahmanbayoumi/locationsdb

A database containing countries and cities in English and Arabic.

city countries database latitude location longitude sqlite timezone

Last synced: 30 Apr 2026

https://github.com/jimbrig/PSEdgeKeywords

PowerShell Core Module for Configuring, Backing Up, and Managing Microsoft Edge Search Engine "Keywords"

browser edge microsoft-edge powershell search-engine settings-management sqlite utility

Last synced: 29 Jul 2025

https://github.com/nazli-d/ders-kayit-sistemi

The Course Registration System is a Java-based simulation program that allows students to add, delete, and submit course registrations. Additionally, advisor can view pending student registrations, approve them, and export approved registrations as CSV files.

advisor advisor-system course-registration course-registration-system csv-files danisman ders ders-kaydi ders-kayit-sistemi java ogrenci sqlite sqlite-database student-system

Last synced: 17 May 2026

https://github.com/piskula/fuelup

Android FuelUp application

android android-application contentprovider java sqlite

Last synced: 22 Sep 2025

https://github.com/softwaiter/derd

一款使用简单、功能强大的对象关系映射（O/RM）组件，支持Sqlite、MySQL、Oracle、Postgres、Sqlserver、国产数据库达梦、人大金仓

access hibernate model mysql netcore oracle orm postgresql sqlite sqlserver

Last synced: 25 Sep 2025

https://github.com/xiaolingzi/lingorm-python

orm for python

database lingorm mysql orm python sql sqlite

Last synced: 01 Aug 2025

https://github.com/danirod/djs-tagbag

A simple key-value storage for persisting tags into your Discord.js bots.

discordjs discordjs-bot sequelize sqlite

Last synced: 18 Apr 2026

https://github.com/fabrecostudio/sqlite-2-turso

🐂 A simple JS script to migrate a local SQLite database to a Turso database on the cloud

javascript js migration migration-tool node nodejs sqlite sqlite-database turso turso-db

Last synced: 09 Oct 2025

https://github.com/mchmarny/dctl

simple utility to provide insight into repo activity

cli cmd cncf developer entitity golang sql sqlite

Last synced: 21 Feb 2026

https://github.com/sailscastshq/sails-sqlite

SQLite adapter for Sails/Waterline

boring-stack sails sqlite sqlite3 turso waterline waterline-driver waterline-orm

Last synced: 18 Jan 2026

https://github.com/egemenciftci/asp-net-core-web-api-ef-core-change-db-on-runtime

ASP.NET Core Web API EF Core Change DB On Runtime

asp-net-core connection-string csharp ef-core json rest sqlite web-api

Last synced: 02 Aug 2025

https://github.com/evaporei/scoolite

:cool: :snowflake: A database cooler than SQLite

database rust sqlite

Last synced: 06 May 2026

https://github.com/thyagomota/api-labs

A collection of progressively challenging labs to help learning the fundamentals of API development.

api mongodb oas orm python sql sqlite

Last synced: 19 Apr 2025

https://github.com/michaeloboyle/sqlite-graph

Alpha-stage graph database built on SQLite with a fluent query DSL. TypeScript library for modeling connected data with ACID transactions and graph algorithms. Not production-ready yet.

acid-transactions fluent-api graph-algorithms graph-database graph-query knowledge-graph sqlite typescript

Last synced: 05 May 2026

https://github.com/iamakkkhil/codedaily-newsletter

A fully fledged website that sends you coding questions daily in the form of newsletter right in your inbox, with additional functionalities to snooze or unsubscribe.

bootstrapstudio css django html js python3 pythonanywhere sqlite

Last synced: 11 Apr 2026

https://github.com/0wain/discordia-template

A template for Discordia (Lua), including base handlers and a command engine.

bot discord discord-bot discordia lua sqlite

Last synced: 10 May 2026

https://github.com/walidfekry/happiness-jar

تطبيق تحفيزي ملئ باقتباسات وأقوال ملهمة تعزز الإيجابية والسعادة في حياتك اليومية.

android dart flutter mvvm-pattern provider-state-management sqlite

Last synced: 16 Apr 2025

https://github.com/tablelandnetwork/site-tableland

The Tableland homepage

database decentralized sql sqlite tableland tamperproof web3

Last synced: 14 Aug 2025

https://github.com/ul0gic/sqlite-deno

A true-Deno SQLite. WASM-based, no FFI, honors Deno permission model. Build-in-public: engine (Deno-FS VFS + both concurrency modes + crash recovery) proven; public API in progress.

database deno edge sqlite typescript vfs wal wasm webassembly

Last synced: 24 Jun 2026

https://github.com/serenasensini/theredcode-docker-per-django-e-postgres

How to dockerize Django application with Postgres using DjangoGirls Italia project! #theredcode #theredcodeit

django docker sqlite

Last synced: 20 Apr 2026

https://github.com/turbot/steampipe-plugin-linear

Use SQL to instantly query Linear organizations, projects, teams, users & more. Open source CLI. No DB required.

backup etl graphql hacktoberfest linear postgresql postgresql-fdw sql sqlite steampipe steampipe-plugin zero-etl

Last synced: 22 Apr 2025

https://github.com/conner2077/polars-daily-log

Your personal work-activity aggregator — tracks foreground activity + Git commits across all your machines, LLM-summarizes the day, and pushes to Jira / WeChat Work / Feishu / Slack. Runs 100% locally.

activity-monitor fastapi jira linux llm local-first macos ocr productivity python sqlite time-tracking vue windows worklog

Last synced: 22 Apr 2026

https://github.com/turbot/steampipe-plugin-planetscale

Use SQL to instantly query PlanetScale databases, branches and more. Open source CLI. No DB required.

backup etl hacktoberfest planetscale postgresql postgresql-fdw sql sqlite steampipe steampipe-plugin zero-etl

Last synced: 22 Apr 2025

https://github.com/followingthefasciaplane/greptilecord

Discord bot for Greptile AI

acl ai artificial-intelligence bot claude discord discord-bot discord-py github gpt greptile intelligence intelligent python sqlite

Last synced: 28 Jul 2025

https://github.com/diegovictor/ecoleta-api

scriptProject built during Rocketseat's Next Level Week #1

api coverage-report database ecoleta friendly-errors javascritpt js nlw nlw-booster node nodejs rocketseat seeds sqlite ts typescript

Last synced: 07 May 2025

https://github.com/knuthp/spartid-ais

Ship positions using AIS data in Norway

ais flask leaflet sqlite

Last synced: 07 Feb 2026

https://github.com/ncmonx/icemage

Token-efficient context engine for AI coding agents. v2.0: Lean & Lossless Compaction governor + zoned profile/skill memory + identity-agnostic persona continuity + source provenance + command discovery + interlinked flows + live cross-session presence wire. 1541 tests, 41 MCP tools, Elastic License 2.0.

ai-agents ai-coding anthropic claude-code cli cline context-engineering cpp17 cursor developer-tools knowledge-graph llm-tools local-first mcp mcp-server prompt-engineering semantic-search sqlite token-optimization

Last synced: 11 Jun 2026

https://github.com/isaquepinheiro/dbebrasil

DBEBr Framework for Dart/Flutter (Isaque Pinheiro)

database db2 firebird framework mongodb mysql postgres sqlite sqlserver

Last synced: 12 Apr 2026

https://github.com/mishra9759harshit/sqldatabase

This is a SQL Database program designed to run in Termux on Android devices. The program allows you to interact with SQL databases directly from your phone using Python. It features a simple, interactive command-line interface (CLI) to practice SQL queries, take quizzes, and track your progress.

sql sql-android sql-database sql-practice sql-projects sql-software sql-termux sqlite

Last synced: 16 Mar 2026

https://github.com/primaryobjects/monster-collector

An AI monster generator web app using the Large Language Model (LLM) Cohere with the EntityFramework and Sqlite.

ai cohere csharp database dotnet entityframeworkcore large-language-model linq llm sqlite web webapp

Last synced: 25 Jan 2026

https://github.com/ImadSaddik/RandomAyahGenerator

Generate random pair of Quran verses before going to pray.

android-application android-studio java quran quran-app sqlite

Last synced: 12 Feb 2026

https://github.com/ecshreve/jeppy

Play Historical Jeopardy Games

flask jeopardy prs-welcome python react scrapy sqlalchemy-python sqlite taskfile typescript

Last synced: 19 Oct 2025

https://github.com/anas-farooq8/hostelmate

Hostel Mate is an android application designed to make the hostel management processes efficient for the owner and enhance the overall living experience for hostel residents. With a comprehensive set of features and a user-friendly interface, Hostel Mate caters to the needs of both hostel administrators and residents, offering efficient solutions.

android-application android-studio kotlin management-system sqlite volley-api xml

Last synced: 11 Mar 2026

https://github.com/jimbrig/psedgekeywords

PowerShell Core Module for Configuring, Backing Up, and Managing Microsoft Edge Search Engine "Keywords"

browser edge microsoft-edge powershell search-engine settings-management sqlite utility

Last synced: 07 May 2026

https://github.com/anitrend/support-query-builder

A simple SQLite spec compliant query builder that integrates with room to create raw queries

android anitrend annotation-processor entity kotlin processor query-builder rawquery room sqlite

Last synced: 11 Mar 2026

https://github.com/softwaiter/Derd

一款使用简单、功能强大的对象关系映射（O/RM）组件，支持Sqlite、MySQL、Oracle、Postgres、Sqlserver、国产数据库达梦、人大金仓

access hibernate model mysql netcore oracle orm postgresql sqlite sqlserver

Last synced: 27 Oct 2025

https://github.com/qanastek/winenot

WineNot is an easy to use app to let you find a wine according to it's label. One step, Just can it !

android flask flutter ios levenshtein-distance object-detection opencv python rails ruby ruby-on-rails sqlite tensorflow tesseract tesseract-ocr

Last synced: 02 Apr 2026

https://github.com/paul-borisov/nextjs-azure-ad-org-chart-with-hr-onboarding-offboarding

HR onboarding and offboarding web app for managing employees in Azure AD and hybrid local AD. This app provides convenient options to create, update, and delete Entra ID and hybrid local AD accounts. The app also offers configurable Organizational Charts to display company hierarchies based on users attributes from Azure AD. Next.js, Auth.js, Azure

authjs azure-sql-database entra-id entraid fluent-ui ms-graph-rest-api next-i18n-router next-themes nextjs nodejs-worker oauth2 prisma-orm radix-ui react react-hook-forms react-query redux-toolkit sqlite tailwind-css zod

Last synced: 14 Apr 2026

https://github.com/angelluzk/controle-estoque-crud-laravel

Sistema de Controle de Estoque Profissional em Laravel com PostgreSQL, TailwindCSS e MVC

alpinejs composer dbeaver git github html5 laravel laravel-framework laravel12 mvc mvc-architecture nodejs npm pgsql php8 postgresql postgresql-database sqlite tailwindcss vscode

Last synced: 24 Sep 2025

https://github.com/jsejcksn/deno-kv-sqlite

Key-Value storage backed by SQLite

database deno key-value kv-store sqlite sqlite3

Last synced: 07 Feb 2026

https://github.com/vijayinyoutube/database-demo

Flutter Database Integration | Example App

dart database db flutter flutterdb flutterstorage sqlite vijaycreations

Last synced: 24 Jan 2026

https://github.com/falkben/steam-to-sqlite

Public Steam app and achievement data in a sqlite database

datasette sqlite steam

Last synced: 22 Aug 2025

https://github.com/vmvarela/sql-pipe

A blazing-fast, zero-dependency CLI that pipes CSV data from stdin into an in-memory SQLite database for instant SQL querying. Built with Zig.

csv sql sqlite zig

Last synced: 01 May 2026

https://github.com/suesslabs/litemigrator

SQLite Lite Migration Tool for .NET MAUI, Avalonia, Uno, and cross-platform apps. Created by Suess Labs and Xeno Innovations.

avalonia database dotnet litemigrator maui migration migrator sql sqlite xamarin xeno-innovations xenoinc

Last synced: 08 Sep 2025

https://github.com/jwallet/expo-sqlite-storage

React Native Expo SQLite module updated to support JSON extension using requery.sqlite-android library. Compatible with RxDB Premium

expo json rxdb sqlite websql

Last synced: 02 Aug 2025

https://github.com/jtanza/post-pigeon

bulma go sqlite

Last synced: 07 Feb 2026

https://github.com/pkoscielny/zeroiot

ZeroIoT - monitoring system for IoT projects with low hardware resources and low power consumption.

docker dockerfile flask generating-graphs graphs gunicorn iot iot-data iot-server jsonapi lighttpd python python3 raspberry-os rrdtool sqlite sqlite-database sqlite3 systemd systemd-service

Last synced: 24 Oct 2025

https://github.com/ntentan/yentu

Provides another approach to doing database migrations in PHP

database-migrations devops mysql php postgresql sqlite

Last synced: 01 Mar 2026

https://github.com/phukon/citysort

A live index of the best cities🏙 to live and work in India.

sqlite

Last synced: 13 Apr 2026

https://github.com/bshandley/gatehouse

A secrets vault built for AI agents, where credentials never leave the vault.

agpl ai-agents bun dynamic-secrets homelab mcp proxy secrets-management self-hosted sqlite typescript vault

Last synced: 07 Jun 2026

https://github.com/ninesl/scryball

Golang Magic The Gathering Scryfall API with SQLite persistent caching

golang magic-the-gathering scryfall-api sqlc sqlite

Last synced: 14 Jan 2026

https://github.com/xscriptor/xpass

Xpass la aplicación ideal para almacenar información importante, contraseñas y notas sobre usuario

android-application contrasenas encriptacion encription encrypted-data flutter mobile-security open-source password-manager postquantumcryptography seguridad-informatica sqlite user-interface ux-design xkyber

Last synced: 13 Oct 2025

https://github.com/arturbomtempo-dev/upload.ai

Project developed during NLW AI to improve knowledge of JavaScript and Artificial Intelligence.

fastify ffmpeg javascript nodejs openai prisma radix-ui react shadcn-ui sqlite tailwindcss typescript zod

Last synced: 09 Apr 2025

https://github.com/painterqubits/paramdb

Python package for storing and retrieving experiment parameters.

astropy python sqlalchemy sqlite

Last synced: 11 Feb 2026

https://github.com/guilhaof/goals-app

🎯🤑💵💰 App de metas financeiras pessoal.

android bottomsheet dayjs expo expo-router ios nativewind react react-native sqlite typescript

Last synced: 11 Apr 2026

https://github.com/philipphermes/planning-poker

Planning Poker is a lightweight web app for agile teams to collaboratively estimate tasks. Built with Next.js, TypeScript, and WebSockets, it provides real-time updates, secure authentication, and persistent storage with SQLite/Drizzle ORM.

nextjs planning-poker react sqlite typescript websocket

Last synced: 23 Jan 2026

https://github.com/pointedsec/yt-converter-api

A Go-based REST API for YouTube video conversion and management with user authentication, admin controls, and video format selection capabilities. Built with Fiber framework, SQLite and Python (yt-dlp).

admin-panel docker fiber go-fiber golang golang-api jwt jwt-authentication rest-api sqlite user-management video-processing youtube-api youtube-api-video-converter youtube-downloader

Last synced: 02 Aug 2025

https://github.com/thipages/quickdb

Quick SQLite/MySql database sql creation builder

creation database foreign-keys index php quick sqlite

Last synced: 07 May 2026

https://github.com/vladislavalerievich/android-development

Android apps I developed during the Java course at the university.

android android-calculator android-music-player android-notes android-recyclerview java note-app recyclerview sqlite

Last synced: 02 Aug 2025

https://github.com/n516942r/neocardium

NeoCardium – Die moderne Karteikarten App für Windows 11

education sqlite windows-app winui3

Last synced: 07 May 2026

https://github.com/envor/one-app

Database per team starter kit for Laravel based on Laravel Jetstream and Livewire

database framework laravel mysql oauth2 oauth2-server sqlite sso starter-kit teams

Last synced: 29 Jul 2025

https://github.com/rodrigoelp/reactnative-typescript-exercise-15

Building an application to display available ebooks available in an online storage (in this case, this same repo)

android ios react-native sqlite type-definitions typescript

Last synced: 06 May 2026

https://github.com/chrisfrank/audite

Transactional change feeds for SQLite

audit audit-trail change-data-capture sqlite sqlite3

Last synced: 09 Feb 2026

https://github.com/andrey-moura/db

A C++ wrapper around SQL based on ActiveRecord

activerecord cpp cpp17 cpp20 postgres postgresql psql sql sqlite sqlite3

Last synced: 06 May 2026

https://github.com/gilzoide/ecsql

Experimental ECS framework powered by SQLite

ecs entity-component-system game-engine lua sql sqlite sqlite3

Last synced: 08 May 2026

https://github.com/sevdanurgenc/sqflite-crud-flutter-project

This repo contains an application that shows product list by using SQFLite Crud Operations.

flutter sqflite sqflite-database sqlite

Last synced: 06 May 2026

https://github.com/davemlz/master_of_datascience

Master of Data Science repository

data data-mining data-science database r rmd sql sqlite statistics

Last synced: 14 Apr 2026

https://github.com/kuc-arc-f/d1-project9cms

cloudflare D1 + workers, cms API sample

cloudflare-d1 cloudflare-workers sqlite

Last synced: 29 Apr 2026

https://github.com/ourhouchmohamed97/cs50-journey

Collection of my CS50 projects and problem sets, showcasing my journey through Harvard's Introduction to Computer Science. Includes solutions, experiments, and implementations in C, Python, SQL, and more.

c certificate computer-science coursework cs50 cs50x education flask harvard-cs50 html-css-javascript learning-to-code practice problem-set projects python sql sqlite