Forwarded from Data Analytics
SQL Basics.pdf
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π» Collection of cheat sheets on SQL
I've gathered for you short and understandable cheat sheets on the main topics:
βΆοΈ Basics of the SQL language;
βΆοΈ JOINs with clear examples;
βΆοΈ Window functions;
βΆοΈ SQL for data analysis.
An excellent set to refresh your knowledge before a job interview or quickly recall the syntax.
tags: #sql #useful
https://t.iss.one/DataAnalyticsX
I've gathered for you short and understandable cheat sheets on the main topics:
βΆοΈ Basics of the SQL language;
βΆοΈ JOINs with clear examples;
βΆοΈ Window functions;
βΆοΈ SQL for data analysis.
An excellent set to refresh your knowledge before a job interview or quickly recall the syntax.
tags: #sql #useful
https://t.iss.one/DataAnalyticsX
β€12
When have you ever needed to add a mathematical description for your function in Python, but found that it takes too much time?
Non-programmers can't easily read Python's logic. However, manually converting it to LaTeX is slow and quickly becomes outdated as the code changes.
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Main features:
β’ Three decorators for different outputs: expressions, full equations, or pseudocode
β’ Displays the rendered LaTeX directly in Jupyter cells
β’ Functions continue to work normally when called
In addition, latexify_py is open source. Install it using
An article about 3 tools that convert Python code to LaTeX: https://bit.ly/3Pw89yP
Run this code: https://bit.ly/4bW2ycE
https://t.iss.one/CodeProgrammer
Non-programmers can't easily read Python's logic. However, manually converting it to LaTeX is slow and quickly becomes outdated as the code changes.
latexify_py solves this problem with a single decorator, generating LaTeX directly from your function, so that the mathematics remains readable and always synchronized with the code.
Main features:
β’ Three decorators for different outputs: expressions, full equations, or pseudocode
β’ Displays the rendered LaTeX directly in Jupyter cells
β’ Functions continue to work normally when called
In addition, latexify_py is open source. Install it using
pip install latexify-pyAn article about 3 tools that convert Python code to LaTeX: https://bit.ly/3Pw89yP
Run this code: https://bit.ly/4bW2ycE
https://t.iss.one/CodeProgrammer
π7β€4
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Contact me @HusseinSheikho
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Topics:
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β Operating systems
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From beginner level (CS50) to advanced (6.824 Distributed Systems).
The curriculum is free.π€
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Save & Share & LikeπββοΈ
cs-video-courses β 78K+ stars.
MIT.
Stanford University.
University of California, Berkeley.
Harvard University.
Carnegie Mellon University.
Indian Institutes of Technology.
Princeton University.
California Institute of Technology.
Everything is free. All lectures are in video format. Everything is collected in one repository.
Topics:
β Data structures and algorithms
β Operating systems
β Distributed systems
β Database systems
β Computer networks
β Machine learning
β Deep learning
β Natural language processing (NLP)
β Computer vision
β Computer graphics
β Security
β Quantum computing
β Robotics
β Blockchain
From beginner level (CS50) to advanced (6.824 Distributed Systems).
The curriculum is free.
https://github.com/Developer-Y/cs-video-courses
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Forwarded from Code With Python
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β’ Practice questions:
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API documentation:
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Useful playbook:
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Chapter 1: Understanding Large Language Models π§
Chapter 2: Working with Text Data π
Chapter 3: Coding Attention Mechanisms βοΈ
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Repository: https://github.com/rasbt/LLMs-from-scratch π
This repository provides code examples for developing, pretraining, and fine-tuning a Large Language Model (LLM) from the ground up. It serves as the official codebase for the book "Build a Large Language Model (From Scratch)." π
Notebook examples are included for each chapter:
Chapter 1: Understanding Large Language Models π§
Chapter 2: Working with Text Data π
Chapter 3: Coding Attention Mechanisms βοΈ
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Forwarded from Machine Learning with Python
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Fine-tuning Large Language Models is the process by which generic LLMs are transformed into domain-specific experts. This procedure updates model weights using task-specific labeled data, rather than relying solely on prompting or retrieval mechanisms. This approach is particularly effective when language patterns remain stable and consistent outputs are required.
π Core Concept
A pre-trained LLM acquires general language capabilities. Fine-tuning instructs the model on how language functions within specific domains, such as healthcare, finance, legal services, or internal enterprise workflows.
π Practical Implementation
A customer support model is trained on thousands of instruction-response pairs. For example:
Input: Refund request for a delayed shipment
Output: A policy-compliant response including an apology, procedural steps, and a resolution.
Following fine-tuning, the model generates consistent, policy-aligned answers with lower latency compared to Retrieval-Augmented Generation (RAG).
π Significance of Parameter-Efficient Fine-Tuning
Techniques such as LoRA and QLoRA train only small adapter layers while keeping the base model frozen. This methodology reduces GPU memory consumption, accelerates training, and enables the fine-tuning of large models on hardware with limited resources.
π Appropriate Use Cases for Fine-Tuning
- Recurring domain-specific language
- Structured outputs, including classifications, summaries, or templates
- Stable knowledge bases that do not undergo daily changes
- Latency-sensitive systems where retrieval introduces overhead
Typical Production Stack
- Models: LLaMA or Mistral
- Frameworks: PyTorch with Hugging Face and PEFT
- Optimization: DeepSpeed or Accelerate
- Deployment: FastAPI, Docker, and cloud GPUs
π‘ Fine-tuning enhances accuracy, consistency, and cost efficiency when applied to suitable problems.
Fine-tuning Large Language Models is the process by which generic LLMs are transformed into domain-specific experts. This procedure updates model weights using task-specific labeled data, rather than relying solely on prompting or retrieval mechanisms. This approach is particularly effective when language patterns remain stable and consistent outputs are required.
π Core Concept
A pre-trained LLM acquires general language capabilities. Fine-tuning instructs the model on how language functions within specific domains, such as healthcare, finance, legal services, or internal enterprise workflows.
π Practical Implementation
A customer support model is trained on thousands of instruction-response pairs. For example:
Input: Refund request for a delayed shipment
Output: A policy-compliant response including an apology, procedural steps, and a resolution.
Following fine-tuning, the model generates consistent, policy-aligned answers with lower latency compared to Retrieval-Augmented Generation (RAG).
π Significance of Parameter-Efficient Fine-Tuning
Techniques such as LoRA and QLoRA train only small adapter layers while keeping the base model frozen. This methodology reduces GPU memory consumption, accelerates training, and enables the fine-tuning of large models on hardware with limited resources.
π Appropriate Use Cases for Fine-Tuning
- Recurring domain-specific language
- Structured outputs, including classifications, summaries, or templates
- Stable knowledge bases that do not undergo daily changes
- Latency-sensitive systems where retrieval introduces overhead
Typical Production Stack
- Models: LLaMA or Mistral
- Frameworks: PyTorch with Hugging Face and PEFT
- Optimization: DeepSpeed or Accelerate
- Deployment: FastAPI, Docker, and cloud GPUs
π‘ Fine-tuning enhances accuracy, consistency, and cost efficiency when applied to suitable problems.
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I pulled the top 10 repos where Jupyter is the main language
Filtered for the best educational resources
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1. microsoft/generative-ai-for-beginners β 105,577 21
lessons covering the full GenAI stack From prompting basics to production deployment Built by Microsoft's AI education team
π https://lnkd.in/diW9Cca6
2. rasbt/LLMs-from-scratch β 83,714
Build GPT-like models from zero No hand-waving, pure implementation Companion to Sebastian Raschka's book
π https://lnkd.in/d3cq5diH
3. microsoft/ai-agents-for-beginners β 49,333
Complete course on agentic systems Covers planning, tools, memory, multi-agent Released 3 months ago, already essential
π https://lnkd.in/e-a2gqSv
4. microsoft/ML-For-Beginners β 83,279
12 weeks of classical ML fundamentals 26 lessons, 52 quizzes, full curriculum Still relevant despite the LLM hype
π https://lnkd.in/e7S8yDbS
5. openai/openai-cookbook β 71,106
Official OpenAI examples and guides Real production patterns, not toys Updated constantly with new features
π https://lnkd.in/dtMbuMGk
6. jackfrued/Python-100-Days β 177,958
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π https://lnkd.in/duWVtn4i
7. pathwaycom/llm-app β 54,583
Production RAG templates you can deploy Real-time data pipelines, not static demos Enterprise search with live updates
π https://lnkd.in/daUFK9Nd
8. jakevdp/PythonDataScienceHandbook β 46,574
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π https://lnkd.in/db8HP7vT
9. CompVis/stable-diffusion β 72,246
Original Stable Diffusion implementation Understand how text-to-image actually works Foundation for SDXL, Midjourney competitors
π https://lnkd.in/dEya2Rb5
10. facebookresearch/segment-anything β 53,250
Meta's SAM model for computer vision Promptable segmentation in images and videos Powers modern AI video editing tools
π https://lnkd.in/dKvjk6Yb
I pulled the top 10 repos where Jupyter is the main language
Filtered for the best educational resources
Here's what's worth your time :
1. microsoft/generative-ai-for-beginners β 105,577 21
lessons covering the full GenAI stack From prompting basics to production deployment Built by Microsoft's AI education team
π https://lnkd.in/diW9Cca6
2. rasbt/LLMs-from-scratch β 83,714
Build GPT-like models from zero No hand-waving, pure implementation Companion to Sebastian Raschka's book
π https://lnkd.in/d3cq5diH
3. microsoft/ai-agents-for-beginners β 49,333
Complete course on agentic systems Covers planning, tools, memory, multi-agent Released 3 months ago, already essential
π https://lnkd.in/e-a2gqSv
4. microsoft/ML-For-Beginners β 83,279
12 weeks of classical ML fundamentals 26 lessons, 52 quizzes, full curriculum Still relevant despite the LLM hype
π https://lnkd.in/e7S8yDbS
5. openai/openai-cookbook β 71,106
Official OpenAI examples and guides Real production patterns, not toys Updated constantly with new features
π https://lnkd.in/dtMbuMGk
6. jackfrued/Python-100-Days β 177,958
Most-starred educational repo on GitHub 100 days from Python beginner to advanced Covers web dev, data science, automation
π https://lnkd.in/duWVtn4i
7. pathwaycom/llm-app β 54,583
Production RAG templates you can deploy Real-time data pipelines, not static demos Enterprise search with live updates
π https://lnkd.in/daUFK9Nd
8. jakevdp/PythonDataScienceHandbook β 46,574
Entire data science handbook as Jupyter notebooks NumPy, Pandas, Matplotlib, Scikit-Learn Free alternative to $60 textbook
π https://lnkd.in/db8HP7vT
9. CompVis/stable-diffusion β 72,246
Original Stable Diffusion implementation Understand how text-to-image actually works Foundation for SDXL, Midjourney competitors
π https://lnkd.in/dEya2Rb5
10. facebookresearch/segment-anything β 53,250
Meta's SAM model for computer vision Promptable segmentation in images and videos Powers modern AI video editing tools
π https://lnkd.in/dKvjk6Yb
β€10