NEW BOT Телеграм, страница

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🧿 Essential React Hooks Part 1

Each hook addresses specific performance, state management, or accessibility needs within React components, allowing for efficient and organized code structure.

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🧿 Essential React Hooks Part 2

Each hook addresses specific performance, state management, or accessibility needs within React components, allowing for efficient and organized code structure.

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INTERVIEW CHEATSHEET

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Machine Learning – Essential Concepts 🚀

1️⃣ Types of Machine Learning

Supervised Learning – Uses labeled data to train models.

Examples: Linear Regression, Decision Trees, Random Forest, SVM

Unsupervised Learning – Identifies patterns in unlabeled data.

Examples: Clustering (K-Means, DBSCAN), PCA

Reinforcement Learning – Models learn through rewards and penalties.

Examples: Q-Learning, Deep Q Networks

2️⃣ Key Algorithms

Regression – Predicts continuous values (Linear Regression, Ridge, Lasso).

Classification – Categorizes data into classes (Logistic Regression, Decision Tree, SVM, Naïve Bayes).

Clustering – Groups similar data points (K-Means, Hierarchical Clustering, DBSCAN).

Dimensionality Reduction – Reduces the number of features (PCA, t-SNE, LDA).

3️⃣ Model Training & Evaluation

Train-Test Split – Dividing data into training and testing sets.

Cross-Validation – Splitting data multiple times for better accuracy.

Metrics – Evaluating models with RMSE, Accuracy, Precision, Recall, F1-Score, ROC-AUC.

4️⃣ Feature Engineering

Handling missing data (mean imputation, dropna()).

Encoding categorical variables (One-Hot Encoding, Label Encoding).

Feature Scaling (Normalization, Standardization).

5️⃣ Overfitting & Underfitting

Overfitting – Model learns noise, performs well on training but poorly on test data.

Underfitting – Model is too simple and fails to capture patterns.

Solution: Regularization (L1, L2), Hyperparameter Tuning.

6️⃣ Ensemble Learning

Combining multiple models to improve performance.

Bagging (Random Forest)

Boosting (XGBoost, Gradient Boosting, AdaBoost)

7️⃣ Deep Learning Basics

Neural Networks (ANN, CNN, RNN).

Activation Functions (ReLU, Sigmoid, Tanh).

Backpropagation & Gradient Descent.

8️⃣ Model Deployment

Deploy models using Flask, FastAPI, or Streamlit.

Model versioning with MLflow.

Cloud deployment (AWS SageMaker, Google Vertex AI).

Join our WhatsApp channel: https://whatsapp.com/channel/0029Va8v3eo1NCrQfGMseL2D

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### Learn GitHub Easily 🤩

Here's all you need to get started 🙌

1. Introduction to GitHub
- What is GitHub?
- Differences between Git and GitHub
- Creating a GitHub account

2. Creating a Repository
- Setting up a new repository
- Understanding repository settings (public vs. private)
- Adding a README file

3. Cloning a Repository
- Cloning repositories to your local machine
- Understanding SSH vs. HTTPS cloning

4. Managing Repositories
- Navigating the GitHub interface
- Viewing and editing files
- Understanding branches in GitHub

5. Committing Changes
- Making changes locally and pushing to GitHub
- Committing changes with meaningful messages
- Synchronizing changes with git pull and git push

6. Branching and Merging
- Creating branches on GitHub
- Comparing branches
- Merging branches through pull requests

7. Pull Requests (PRs)
- Creating a pull request
- Reviewing pull requests
- Merging pull requests and resolving conflicts

8. Issues and Project Management
- Creating and managing issues
- Using labels, milestones, and assignees
- Introduction to GitHub Projects for task management

9. Collaboration Features
- Using GitHub Discussions
- Code reviews and comments
- Mentioning team members and using notifications

10. GitHub Actions
- Introduction to CI/CD with GitHub Actions
- Creating simple workflows
- Using actions from the GitHub Marketplace

11. GitHub Pages
- Setting up GitHub Pages for static sites
- Using Jekyll for site generation

12. Managing Releases
- Creating and managing releases
- Understanding versioning (tags)

13. Security Features
- Setting up branch protections
- Enabling two-factor authentication (2FA)
- Managing collaborator permissions

14. Exploring GitHub API
- Overview of GitHub API
- Making API requests for repositories and issues

15. GitHub CLI
- Introduction to GitHub Command Line Interface
- Common commands and usage

16. Best Practices
- Writing effective commit messages
- Structuring your repositories
- Managing large projects and dependencies

17. Resources for Continued Learning
- GitHub documentation and guides
- Online tutorials and courses
- Community forums and events

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