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Sharing updates & resources on Programming & Coding, Cryptocurrency, Blockchain, Web 3, Python, Data Science, Data Analysis, Java, Web Dev, AI, App Dev, ML, Cyber Security & Hacking & More

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5 SQL Queries Every Data Engineer Must Master (with Examples)

SQL has been the backbone of #DataEngineering for years. Whether youโ€™re building pipelines, optimizing databases, or troubleshooting, mastering these concepts is crucial:

๐Ÿ”น 1๏ธโƒฃ Aggregation and Grouping
Efficiently summarize and analyze data with key functions like SUM, COUNT, AVG, MIN, MAX, and GROUP BY.

๐Ÿ”น 2๏ธโƒฃ Window Functions
Perform advanced analytics like rankings, running totals, and comparisons while preserving row-level detail. Learn functions like ROW_NUMBER, RANK, NTILE, LAG, LEAD, and windowed SUM.

๐Ÿ”น 3๏ธโƒฃ Join Operations
Combine data from multiple tables using INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL OUTER JOIN, and CROSS JOIN.

๐Ÿ”น 4๏ธโƒฃ Subqueries and CTEs
Simplify complex queries with WITH statements, or use subqueries in SELECT, FROM, and WHERE clauses to enhance readability and performance.

๐Ÿ”น 5๏ธโƒฃ Data Cleaning and Transformation
Prepare your data with functions like DISTINCT, LOWER, UPPER, TRIM, REGEXP_REPLACE, and COALESCE to ensure high-quality outputs.

Data Engineering Interview Preparation Resources: https://t.me/datascienceresourcestp/61

Learn SQL: https://t.me/sqlresourcestp

All the best ๐Ÿ‘๐Ÿ‘

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Technical skills for Power BI Developer :

- Proficiency in Power BI (Desktop, Service, Mobile).

- Expertise in creating dashboards, reports, and visualizations.

- Advanced knowledge of DAX (Data Analysis Expressions).

- Strong data modeling (star/snowflake schema, relationships, hierarchies).

- Proficiency in SQL for querying and optimizing databases.

Master Power BI in 2025: https://t.me/dataanalysisresourcestp/130

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Replace 10 habits to become the new YOU

1. Netflix Marathon = Sleep
2. Fast Food = Homemade Food
3. Toxic Friends = Caring Friends
4. TV = Exercise
5. Complaining = Gratitude
6. Overthinking = Meditation
7. Self-doubt = Journal
8. Tired Start Over
9. Jealous = Self-focus
10. Irritated = Alter Perspective
30 WAYS TO MAKE PROGRESS

1. Wake up early
2. Read daily
3. Eat well
4. Love yourself
5. Judge less
6. Be yourself
7. Set goals
8. Plan your day
9. Positive attitude
10. Have purpose
11. Find inspiration
12. Help others
13. Network
14. Save money
15. Automate
16. Delegate
17. Track finances
18. Build a brand
19. Fail fast
20. Interact
21. Learn skills
22. Invest
23. Journal
24. Meditate
25. Get a mentor
26. Think Big
27. Be productive
28. Do more
29. Spend wisely
30. Be ambitious

Replace these 10 Habits: https://t.me/techpsyche/754
Exploring the Benefits of Non-Recourse Loans in Crypto

In finance, minimizing risk is key. Non-recourse loans offer a unique way to leverage assets while limiting risk exposure strictly to the collateral.

Picture this: John wants to invest in Ethereum without selling his Bitcoin holdings. He takes a non-recourse loan, using Bitcoin as collateral. If the investment goes south, the lender can only seize the Bitcoinโ€”not John's other assets.

Non-recourse loans are especially useful in crypto and trading due to their:

- Collateralization: Use crypto as collateral to access funds without selling assets.
- Volatility Risk Management: Limit exposure to the collateral, even in volatile markets.
- Flexibility: Ideal for leveraging investments or meeting personal expenses.

Similar to margin trading in traditional finance, non-recourse loans allow you to boost buying power while controlling risk. However, these loans can carry challenges like margin calls or liquidation.

For those in crypto and trading, understanding non-recourse loans is essential for managing financial risk and seizing growth opportunities while safeguarding assets.

Signs of Bearish Trend in Crypto: https://t.me/techpsyche/739

Cryptocurrency Investing: https://t.me/techpsyche/723

Liquidity: https://t.me/techpsyche/712

More Resources Here:
https://whatsapp.com/channel/0029VajB00n0LKZ7cSloGR1M

#crypto #web3 #blockchain #finance
Remote QA Engineer Job at Elite Software Automation

Job Location: Remote(Anywhere)

Company Headquarters: United States

Starting Pay: USD $50-75K/year, Further pay promotions available based on performance once on the job

Apply Here:
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๐Ÿ‘1
Safe Superintelligence (SSI), the AI startup led by OpenAIโ€™s co-founder and former chief scientist Ilya Sutskever, has raised an additional $2 billion in funding at a $32 billion valuation, according to the Financial Times.

The startup had already raised $1 billion, and there were reports that an additional $1 billion round was in the works.
Google for Startups Accelerator โ€“ Africa 2025

Applications are open for the Google for Startups Accelerator โ€“ Africa 2025. This is a three-month hybrid accelerator program for Seed to Series A technology startups.

Benefits:

- Equity-free support: For duration of program.
- Dedicated mentoring from Google teams.
- Access to Googleโ€™s network of industry experts.

Apply here:
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1. Web Development โž
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2. CSS โž
โ—€๏ธ http://css-tricks.com

3. JavaScript โž
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4. React โž
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5. Python for AI
โ—€๏ธ https://deeplearning.ai/short-courses/ai-python-for-beginners/

6. Data Science & Data Engineering  โž
โ—€๏ธ https://t.me/datascienceresourcestp

7. Python โž
โ—€๏ธ http://pythontutorial.net

8. SQL โž
โ—€๏ธ  https://t.me/sqlresourcestp

9. Git and GitHub โž
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10. Backend Development
โ—€๏ธ https://udacity.com/course/intro-to-backend--ud171

11. Mongo DB โž
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12. Node JS โž
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13. Data Structure & Algorithms
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14. C#โž
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15. Machine Learningโž
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18. Product Design
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10 free tools to become top level creator.

1. Idea - Google
2. Research - ChatGPT
3. Script - Notion
4. Recoding - Audacity
5. Thumbnail - Canva
6. Editing - Davinci resolve
7. Stock Video - Mixkit
8. Captions - Clipchamp
9. Music & effect - YT Library
10. Scheduling - Buffer

13 AI Tools to 10X your Productivity: https://t.me/airesourcestp/94

10 AI Tools to save you Hours: https://t.me/airesourcestp/102

40 Content Creation Tools: https://t.me/airesourcestp/109

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Master AI Theory (Artificial Intelligence) in 10 days ๐Ÿ‘‡๐Ÿ‘‡

Day 1: Introduction to AI
- Start with an overview of what AI is and its various applications.
- Read articles or watch videos explaining the basics of AI.

Day 2-3: Machine Learning Fundamentals
- Learn the basics of machine learning, including supervised and unsupervised learning.
- Study concepts like data, features, labels, and algorithms.

Day 4-5: Deep Learning
- Dive into deep learning, understanding neural networks and their architecture.
- Learn about popular deep learning frameworks like TensorFlow or PyTorch.

Day 6: Natural Language Processing (NLP)
- Explore the basics of NLP, including tokenization, sentiment analysis, and named entity recognition.

Day 7: Computer Vision
- Study computer vision, including image recognition, object detection, and convolutional neural networks.

Day 8: AI Ethics and Bias
- Explore the ethical considerations in AI and the issue of bias in AI algorithms.

Day 9: AI Tools and Resources
- Familiarize yourself with AI development tools and platforms.
- Learn how to access and use AI datasets and APIs.

Day 10: AI Project
- Work on a small AI project. For example, build a basic chatbot, create an image classifier, or analyze a dataset using AI techniques.

5 Free NLP Courses
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AI/ML Free Courses by 6 Top Institutions
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ENJOY LEARNING ๐Ÿ‘๐Ÿ‘

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What is funding in crypto trading? ๐Ÿ’ธ

In cryptocurrencies, funding refers to the funding rate that is redistributed among traders holding positions in perpetual futures.

Funding is a periodic payment/write-off for traders with open positions in perpetual futures, which allows them to compensate for the long-term difference between the price of the underlying asset and the derivative contract.

The need for funding arose from the idea of โ€‹โ€‹perpetual futures, which have no maturity and can be held indefinitely. Therefore, to compensate for the difference in the price of the asset and the contract, a financing rate mechanism was launched.

Non-Recourse Loans in Crypto: https://t.me/techpsyche/756

Signs of Bearish Trend in Crypto: https://t.me/techpsyche/739

Cryptocurrency Investing: https://t.me/techpsyche/723

Liquidity: https://t.me/techpsyche/712

More Resources Here:
https://whatsapp.com/channel/0029VajB00n0LKZ7cSloGR1M

#crypto #web3 #blockchain #finance #stocks