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Building a Context-Aware To-Do List with Nestjs, RAG, Prisma, and Gemini API

This tutorial guides you through creating a context-aware to-do list application using Retrieval Augmented Generation (RAG). We'll leverage Google's Gemini API for text embedding, PgVector for efficient vector storage, and Prisma and NestJS to manage PostgreSQL databases. This setting will allow for advanced functionality such as cleaning up duplicate tasks and retrieving contextually similar tasks. Prerequisites Learn the basics of NestJS and Prisma. Node.js and npm installed. PostgreSQL database with PgVector extension enabled

Jan 27, 2025 pm 06:11 PM

[python] convert UTC to your local time with standard libs.

Use the Python standard library to easily convert UTC time to local time This article will introduce how to use Python's standard library to convert UTC time into your local time. Just two simple steps: Create a DateTime object containing UTC time zone information. Use the ASTIMEZONE method to convert the DateTime object before. The following example is how to convert 2025-01-01T00: 00Z to your local time: From datetime import datetime From zoneinfo import zoneinfo UTC = DateTime (2025,

Jan 27, 2025 pm 04:18 PM

Distributed Systems: Designing Scalable Python Backends

Modern web-connected systems are almost universally distributed. A distributed system comprises multiple computers or servers collaborating for optimal functionality, enabling seamless user experiences even under heavy load. Contrast this with a si

Jan 27, 2025 pm 04:16 PM

Understanding Python Decorators: A Beginner's Guide with Examples

Python Decorators: Beginner’s Guide and Examples Python decorators are powerful and versatile tools for modifying the behavior of a function or method. They allow you to add functionality to existing code without changing its structure. This article takes an in-depth look at decorators and provides simple examples to help you understand and use them effectively. What are decorators? A decorator in Python is essentially a function that receives another function as an argument and extends or changes its behavior. Decorators are typically used to add functionality such as logging, access control, memoization, or validation to an existing function or method. Decorators in Python are applied to function definitions using the @decorator_name syntax. Decorator

Jan 27, 2025 pm 04:12 PM

[Python] How to convert different time zones without using pytz, dateutil

No need for pytz and dateutil, Python natively implements date and time conversion in different time zones This article introduces how to use the datetime module and zoneinfo module in Python 3.6 and above, without the need for third-party libraries pytz and dateutil, to easily convert date and time in different time zones. Core method: Use the astimezone method of the datetime object. Brief steps: Create a datetime object containing time zone information. Convert datetime to target time zone using astimezone method. Prerequisites: Python >= 3.6 tzdata (Wind

Jan 27, 2025 pm 04:11 PM

Exploring Kokoro TTS Voice Synthesis on Google Colab with T4

KOKORO-82M: High-Performance Text Transfer Voice (TTS) model exploration KOKORO-82M is a high-performance TTS model that can generate high-quality audio. It supports simple text conversion, and can easily synthesize voice synthesis by retention of audio file application rights. KOKORO-82M on hugging face Starting from version 0.23, KOKORO-82M also supports Japanese. You can easily try it through the following link: [KOKORO TTS on Hugging Face Spaces] However, the tone of Japanese

Jan 27, 2025 pm 12:12 PM

How to Create Custom Template Tags in Django?

Django template tags: simplify data display and improve code reusability In Django development, templates are used to dynamically render data into HTML pages. This article will introduce how to use Django template tags to simplify data display logic and avoid duplicating code in views. Django template basic example Let's say you have a simple course list HTML template: The corresponding view code is as follows: The view passes the course data to the template, which is ultimately displayed on the web page like this: Question: Show total number of courses Now, let's say you need to display the total number of courses on a web page. One way is to add calculation logic in the view: def course_list(request): to

Jan 27, 2025 am 08:10 AM

How to disable admin editing in Django Admin Panel

Django Admin Panel: A Read-Only Approach for Data Management The Django Admin Panel offers a user-friendly interface for managing models, data, and users. Its built-in search and filtering capabilities are incredibly convenient. However, sometimes r

Jan 27, 2025 am 06:12 AM

Creating a chatbot with contextual retrieval using Cohere command-r and Streamlit

Overview of items Chatish is an innovative StreamLit network application that shows the powerful features of using large language models (especially the Command R model of Cohere) for context retrieval. The project shows how modern artificial intelligence changes the document interaction method through intelligent, context -perceive dialogue. Architecture This application is constructed around the four main Python modules: app.py: main application entry point Chat_manager.py: Management chat interaction cohere_client.py: processing AI interaction file_handler.py: processing upload

Jan 27, 2025 am 06:10 AM

A Day Weather Dashboard: How I Built A Python Project for API Integration and Cloud Storage

This Python application, the 30-Day Weather Dashboard, efficiently retrieves weather data for multiple locations via the OpenWeather API and securely stores it in an AWS S3 bucket. This project showcases best practices in API interaction, cloud reso

Jan 27, 2025 am 02:18 AM

The Power of Quantization: Shrinking GPTUnleashing Speed

Imagine taking a powerful language model like GPT-2—capable of crafting stories, answering questions, and mimicking human text—and compressing it into a leaner, faster version without gutting its capabilities. This is the promise of quantization: a

Jan 27, 2025 am 02:16 AM

GenAI: Building RAG Systems with LangChain

In the age of Generative AI, Retrieval-Augmented Generation (RAG) has emerged as a powerful approach for building intelligent, context-aware applications. RAG combines the strengths of large language models (LLMs) with efficient document retrieval te

Jan 27, 2025 am 02:14 AM

Techniques for Field Validation in Django

Django form data validation is a key link in web development, ensuring that the user data collected meets application requirements. Django provides a variety of field validation methods, which this article will explain step by step. Using field parameters When defining Django form fields, you can usually specify validation rules directly through field parameters. For example, make sure the first_name field has a maximum length of 100 characters. Since it is a CharField, the max_length parameter can be used: from django import forms class PersonalInfo(forms.Form): first_name = fo

Jan 27, 2025 am 12:15 AM

Blog automation with CrewAI

CrewAI, an open-source framework, empowers the creation and management of autonomous AI agent teams. This innovative tool facilitates the coordination of role-playing and autonomous AI agents to achieve complex objectives. Agents within the CrewAI

Jan 27, 2025 am 12:13 AM