Coding Interview Resources – Telegram
Coding Interview Resources
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This channel contains the free resources and solution of coding problems which are usually asked in the interviews.

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JavaScript Array Slice ()
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Detailed Roadmap to Become a Programmer

📂 Learn Programming Fundamentals
Start with basics like programming logic, syntax, and how code flows. This builds your foundation.

📂 Choose a Language
Pick one popular language like Python (easy & versatile), Java (widely used in big systems), or C++ (great for performance). Focus on mastering it first.

📂 Learn Data Structures & Algorithms
Understand arrays, lists, trees, sorting, searching — these help write efficient code and solve complex problems.

📂 Learn Problem Solving
Practice coding challenges on platforms like LeetCode or HackerRank to improve your logic and speed.

📂 Learn OOPs & Design Patterns
Object-Oriented Programming (OOP) teaches how to structure code; design patterns show reusable solutions to common problems.

📂 Learn Version Control (Git & GitHub)
Essential for collaboration—track your code changes and work with others safely using Git and GitHub.

📂 Learn Debugging & Testing
Find and fix bugs; test your code to make sure it works as expected.

📂 Work on Real-World Projects
Build practical projects to apply what you learned and showcase skills to employers.

📂 Contribute to Open Source
Collaborate on existing projects—gain experience, community recognition, and improve your coding.

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With skills and projects ready, start applying confidently for programming roles or internships to kick-start your career.

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Data Analytics Pattern Identification....;;

Trend Analysis: Examining data over time to identify upward or downward trends.

Seasonal Patterns: Identifying recurring patterns or trends based on seasons or specific time periods

Correlation: Understanding relationships between variables and how changes in one may affect another.

Outlier Detection: Identifying data points that deviate significantly from the overall pattern.

Clustering: Grouping similar data points together to find natural patterns within the data.

Classification: Categorizing data into predefined classes or groups based on certain features.

Regression Analysis: Predicting a dependent variable based on the values of independent variables.

Frequency Distribution: Analyzing the distribution of values within a dataset.

Pattern Recognition: Identifying recurring structures or shapes within the data.

Text Analysis: Extracting insights from unstructured text data through techniques like sentiment analysis or topic modeling.

These patterns help organizations make informed decisions, optimize processes, and gain a deeper understanding of their data.
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Data Structures Cheatsheet 👆
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If-else in Python 👆
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HTTP status codes — quick cheat sheet

200 OK: request succeeded
🆕 201 Created: new resource saved
📝 204 No Content: success, nothing to return
🔀 301 Moved Permanently: use new URL
↪️ 302 Found: temporary redirect
🧾 304 Not Modified: use cached version

🙅 400 Bad Request: invalid input
🪪 401 Unauthorized: missing/invalid auth
🚫 403 Forbidden: authenticated but not allowed
404 Not Found: resource doesn’t exist
408 Request Timeout: client took too long
🧯 409 Conflict: state/version clash

💥 500 Internal Server Error: server crashed
🛠️ 502 Bad Gateway: upstream failed
🕸️ 503 Service Unavailable: overloaded/maintenance
504 Gateway Timeout: upstream too slow

tips
• return precise codes; don’t default to 200/500
• include a machine-readable error body (code, message, details)
• never leak stack traces in production
• pair 304 with ETag/If-None-Match for caching
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Don't overwhelm to learn Git,🙌

Git is only this much👇😇


1.Core:
• git init
• git clone
• git add
• git commit
• git status
• git diff
• git checkout
• git reset
• git log
• git show
• git tag
• git push
• git pull

2.Branching:
• git branch
• git checkout -b
• git merge
• git rebase
• git branch --set-upstream-to
• git branch --unset-upstream
• git cherry-pick

3.Merging:
• git merge
• git rebase

4.Stashing:
• git stash
• git stash pop
• git stash list
• git stash apply
• git stash drop

5.Remotes:
• git remote
• git remote add
• git remote remove
• git fetch
• git pull
• git push
• git clone --mirror

6.Configuration:
• git config
• git global config
• git reset config

7. Plumbing:
• git cat-file
• git checkout-index
• git commit-tree
• git diff-tree
• git for-each-ref
• git hash-object
• git ls-files
• git ls-remote
• git merge-tree
• git read-tree
• git rev-parse
• git show-branch
• git show-ref
• git symbolic-ref
• git tag --list
• git update-ref

8.Porcelain:
• git blame
• git bisect
• git checkout
• git commit
• git diff
• git fetch
• git grep
• git log
• git merge
• git push
• git rebase
• git reset
• git show
• git tag

9.Alias:
• git config --global alias.<alias> <command>

10.Hook:
• git config --local core.hooksPath <path>

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