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Post #1834 1.3K Aug 24, 2025, 15:38 UTC

🔰 MongoDB Roadmap for Beginners 2025
├── 🧠 What is NoSQL? Why MongoDB?
├── ⚙️ Installing MongoDB & MongoDB Atlas Setup
├── 📦 Databases, Collections, Documents
├── 🔍 CRUD Operations (insertOne, find, update, delete)
├── 🔁 Query Operators ($gt, $in, $regex, etc.)
├── 🧪 Mini Project: Student Record Manager
├── 🧩 Schema Design & Data Modeling
├── 📂 Embedding vs Referencing
├── 🔐 Indexes & Performance Optimization
├── 🛡 Data Validation & Aggregation Pipeline
├── 🧪 Mini Project: Analytics Dashboard (Aggregation + Filters)
├── 🌐 Connecting MongoDB with Node.js (Mongoose ORM)
├── 🧱 Relationships in NoSQL (1-1, 1-Many, Many-Many)
├── ✅ Backup, Restore, and Security Best Practices

#mongodb

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Post #1832 1.22K Aug 23, 2025, 16:02 UTC

Full stack Project Ideas 💡

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Post #1830 1.28K Aug 22, 2025, 19:21 UTC

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Post #1828 1.08K Aug 21, 2025, 16:11 UTC

Python vs C++ vs Java

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Post #1826 1.04K Aug 21, 2025, 06:51 UTC

computer graphics.pdf80.8 MB

💻 Computer Graphics Handwritten Notes 📝 🌟

React ❤️ for more 📱

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Post #1824 951 Aug 20, 2025, 19:27 UTC

Common Programming Interview Questions

    How do you reverse a string?
    How do you determine if a string is a palindrome?
    How do you calculate the number of numerical digits in a string?
    How do you find the count for the occurrence of a particular character in a string?
    How do you find the non-matching characters in a string?
    How do you find out if the two given strings are anagrams?
    How do you calculate the number of vowels and consonants in a string?
    How do you total all of the matching integer elements in an array?
    How do you reverse an array?
    How do you find the maximum element in an array?
    How do you sort an array of integers in ascending order?
    How do you print a Fibonacci sequence using recursion?
    How do you calculate the sum of two integers?
    How do you find the average of numbers in a list?
    How do you check if an integer is even or odd?
    How do you find the middle element of a linked list?
    How do you remove a loop in a linked list?
    How do you merge two sorted linked lists?
    How do you implement binary search to find an element in a sorted array?
    How do you print a binary tree in vertical order?

Conceptual Coding Interview Questions

    What is a data structure?
    What is an array?
    What is a linked list?
    What is the difference between an array and a linked list?
    What is LIFO?
    What is FIFO?
    What is a stack?
    What are binary trees?
    What are binary search trees?
    What is object-oriented programming?
    What is the purpose of a loop in programming?
    What is a conditional statement?
    What is debugging?
    What is recursion?
    What are the differences between linear and non-linear data structures?

General Coding Interview Questions

    What programming languages do you have experience working with?
    Describe a time you faced a challenge in a project you were working on and how you overcame it.
    Walk me through a project you’re currently or have recently worked on.
    Give an example of a project you worked on where you had to learn a new programming language or technology. How did you go about learning it?
    How do you ensure your code is readable by other developers?
    What are your interests outside of programming?
    How do you keep your skills sharp and up to date?
    How do you collaborate on projects with non-technical team members?
    Tell me about a time when you had to explain a complex technical concept to a non-technical team member.
    How do you get started on a new coding project?

Best Programming Resources: https://topmate.io/coding/886839

Join for more: https://t.me/programming_guide

ENJOY LEARNING 👍👍

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Post #1822 930 Aug 20, 2025, 09:21 UTC

Lol 😂

😁 7
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Post #1820 966 Aug 19, 2025, 16:18 UTC

Getting started with SQL comparison operators.

If you're new to SQL, understanding comparison operators is one of the first things you'll need to learn.

They’re really important for filtering and analyzing your data. Let’s break them down with some simple examples.

Comparison operators let you compare values in SQL queries. Here are the basics:
1. = (Equal To): Checks if two values are the same.
Example: SELECT * FROM Employees WHERE Age = 30; (This will find all employees who are exactly 30 years old).

2. <> or != (Not Equal To): Checks if two values are different.
Example: SELECT * FROM Employees WHERE Age <> 30; (This will find all employees who are not 30 years old).

3. > (Greater Than): Checks if a value is larger.
Example: SELECT * FROM Employees WHERE Salary > 50000; (This will list all employees earning more than 50,000).

4. < (Less Than): Checks if a value is smaller.
Example: SELECT * FROM Employees WHERE Salary < 50000; (This will show all employees earning less than 50,000).

5. >= (Greater Than or Equal To): Checks if a value is larger or equal.
Example: SELECT * FROM Employees WHERE Age >= 25; (This will find all employees who are 25 years old or older).

6. <= (Less Than or Equal To): Checks if a value is smaller or equal.
Example: SELECT * FROM Employees WHERE Age <= 30; (This will find all employees who are 30 years old or younger).

These simple operators can help you get more accurate results in your SQL queries.

Keep practicing and you’ll be great at SQL in no time.

Like this post if you need more 👍❤️

Hope it helps :)

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👍 1

Post #1819 867 Aug 19, 2025, 12:21 UTC

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❤ 1

Post #1818 836 Aug 19, 2025, 11:57 UTC

How to Improve API Performance?

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Post #1817 1.12K Aug 18, 2025, 14:24 UTC

100+ Practice Questions

❍ C/C++
❍ Python
❍ JavaScript
❍ Java
❍ C#
❍ Golang

➊ Simple Numbers

➀ Find a digit at a specific place in a number
➁ Find count of digits in a number
➂ Find the largest digit
➃ Find the 2nd largest digit
➄ Find the kth largest digit
➅ Find the smallest digit
➆ Find the 2nd smallest digit
➇ Find the kth smallest digit
➈ Find generic root (sum of all digits) of a number
➉ Reverse the digits in a number
➀➀ Rotate the digits in a number
➀➁ Is the number a palindrome?
➀➂ Find sum of 'n' numbers
➀➃ Check if a number is perfect square
➀➄ Find a number in an AP sequence
➀➅ Find a number in a GP sequence
➀➆ Find a number in fibonacci sequence
➀➇ Check number divisibility by 2, 3, 5, 9
➀➈ Check if a number is primary or not
20. Given a number, print all primes smaller than it
➁➀ Check if a number is circular prime or not
➁➁ Find all prime factors of a number
➁➂ Find the GCD of 2 numbers
➁➃ Find the LCM of 2 numbers
➁➄ Find the factorial of a number
➁➅ Find the exponentiation of a number

➋ Unit Conversion

➀ Number Base (Binary, Octal, Hexadecimal, Decimal)
➁ Weight (gram, kg, pound)
➂ Height (cm, m, inch, feet)
➃ Temperature (centigrade, fahrenhite)
➄ Distance (km, mile)
➅ Area (m², km², acre)
➆ Volume (ltr, gallon)
➇ Time (sec, min, hour)
➈ Currency

➌ Calculator

➀ Loan EMI Calculator
➁ Fixed Deposit Returns Calculator
➂ Interest Calculator
➃ BMI Calculator
➄ Item Price (considering tax, discount, shipping)
➅ Tip Calculator

➍ Geometry

➀ Find distance between 2 points
➁ Given 2 sides of a right angle triangle, find the 3rd
➂ Find 3rd angle of a triangle when 2 are given
➃ Area of a triangle when 3 sides are given
➄ Area of a right angle triangle
➅ Perimeter of a Square
➆ Area of a Square
➇ Perimeter of a Rectangle
➈ Area of a Rectangle
➉ Circumference of a Circle
➀➀ Area of a Circle
➀➁ Circumference of a Semi-Circle
➀➂ Area of a Semi-Circle
➀➃ Area of a Ring
➀➄ Circumference of an Ellipse
➀➅ Area of an Ellipse
➀➆ Suface Area of a Sphere
➀➇ Volume of a Sphere
➀➈ Surface Area of a Hemisphere
20. Volume of a Hemisphere
➁➀ Surface area of a Cube
➁➁ Volume of a Cube
➁➂ Surface area of a Cylinder
➁➃ Volume of a Cylinder

➎ Vector

➀ Find Scalar Multiplication of a vector
➁ Find addition/subtraction of vectors
➂ Find magnitude of a vector
➃ Find an unit vector along a given vector
➄ Find dot product of 2 vectors
➅ Find cross product of 2 vectors
➆ Check if 2 vectors are orthogonal

➏ Matrix

➀ Find the determinant of a matrix
➁ Find Scalar Multiplication of a matrix
➂ Find addition/subtraction of matrices
➃ Find the transpose of a matrix
➄ Find if 2 matrices are orthogonal
➅ Find inverse of a 2x2 and 3x3 matrix

➐ Set

➀ Find Union of 2 sets
➁ Find Intersection of 2 sets
➂ Find the Difference of 2 sets
➃ Find the Symmetric Difference of 2 sets
➄ Find if a set is subset/superset of another set
➅ Find if 2 sets are disjoints

➑ Special Numbers

➀ Strong Number
➁ Perfect Number
➂ Armstrong Number
➃ Harshad Number
➄ Kaprekar Number
➅ Lychrel Number
➆ Narcissistic Decimal Number
➇ Lucus Number
➈ Catalan Number
➉ Duck Number
➀➀ Ugly Number
➀➁ Abundant Number
➀➂ Deficient Number
➀➃ Automorphic Number
➀➄ Magic Number
➀➅ Friendly Pair Numbers
➀➆ Neon Number
➀➇ Spy Number
➀➈ Happy Number
20. Sunny Number
➁➀ Disarium Number
➁➁ Pronic Number
➁➂ Trimorphic Number
➁➃ Evil Number
➁➄ Amicable Pairs

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Post #1816 807 Aug 18, 2025, 13:09 UTC

𝗙𝗥𝗘𝗘 𝗗𝗲𝗺𝗼 𝗢𝗻 𝗙𝘂𝗹𝗹𝘀𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗜𝗻 𝗛𝘆𝗱𝗲𝗿𝗮𝗯𝗮𝗱/𝗣𝘂𝗻𝗲😍

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Post #1815 876 Aug 18, 2025, 07:29 UTC

⌨️ QR code generation in Python

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Post #1814 804 Aug 18, 2025, 05:02 UTC

Forwarded from Data Analytics

𝟒 𝐁𝐞𝐬𝐭 𝐏𝐨𝐰𝐞𝐫 𝐁𝐈 𝐂𝐨𝐮𝐫𝐬𝐞𝐬 𝐢𝐧 𝟐𝟎𝟐𝟓 𝐭𝐨 𝐒𝐤𝐲𝐫𝐨𝐜𝐤𝐞𝐭 𝐘𝐨𝐮𝐫 𝐂𝐚𝐫𝐞𝐞𝐫😍

In today’s data-driven world, Power BI has become one of the most in-demand tools for businesses〽️📊

The best part? You don’t need to spend a fortune—there are free and affordable courses available online to get you started.💥🧑‍💻

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Start learning today and position yourself for success in 2025!✅️

❤ 1

Post #1813 901 Aug 17, 2025, 12:35 UTC

Ages of Operating Systems👨🏻‍💻😎

📂 Windows 11 (3 years old)
🪟 Windows 10 (8 years old)
🍎 macOS Yosemite (10 years old)
🐉 Kali Linux (11 years old)
💻 Windows 8 (12 years old)
🌐 Manjaro (11 years old)
💻 Windows 7 (14 years old)
🖥️ Windows Vista (17 years old)
🌿 Linux Mint (18 years old)
🐧 Ubuntu (20 years old)
⚙️ Fedora (20 years old)
🔧 OpenSUSE (20 years old)
⚙️ CentOS (20 years old)
🐧 Arch Linux (22 years old)
🍏 macOS (22 years old)
💻 Windows XP (23 years old)
🖥️ Windows 2000 (24 years old)
📱 Windows 98 (25 years old)
🌍 Windows 95 (28 years old)
💻 Windows 3.1 (29 years old)
🖥️ OS/2 (32 years old)
🐧 Debian (31 years old)
🔴 Red Hat Linux (30 years old)
🎮 AmigaOS (34 years old)
🖥️ Xenix (40 years old)
📀 VMS (44 years old)
💾 MS-DOS (42 years old)
💾 CP/M (49 years old)
🖥️ Unix (54 years old)

❤ 5

Post #1812 810 Aug 17, 2025, 11:28 UTC

📊 𝗗𝗮𝘁𝗮 𝗔𝗻𝗮𝗹𝘆𝘁𝗶𝗰𝘀 𝗙𝗥𝗘𝗘 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗖𝗼𝘂𝗿𝘀𝗲𝘀 😍

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❤ 2

Post #1811 861 Aug 17, 2025, 06:46 UTC

Post #1810 946 Aug 17, 2025, 06:34 UTC

𝟯 𝗚𝗮𝗺𝗲-𝗖𝗵𝗮𝗻𝗴𝗶𝗻𝗴 𝗖𝗼𝘂𝗿𝘀𝗲𝘀 𝘁𝗼 𝗠𝗮𝘀𝘁𝗲𝗿 𝗣𝘆𝘁𝗵𝗼𝗻 𝗳𝗼𝗿 𝗙𝗿𝗲𝗲😍

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Your career upgrade starts today — no excuses!✅️

❤ 1

Post #1809 1.03K Aug 16, 2025, 12:59 UTC

9 advanced coding project ideas to level up your skills:

🛒 E-commerce Website — manage products, cart, payments
🧠 AI Chatbot — integrate NLP and machine learning
🗃️ File Organizer — automate file sorting using scripts
📊 Data Dashboard — build interactive charts with real-time data
📚 Blog Platform — full-stack project with user authentication
📍 Location Tracker App — use maps and geolocation APIs
🏦 Budgeting App — analyze income/expenses and generate reports
📝 Markdown Editor — real-time preview and formatting
🔍 Job Tracker — store, filter, and search job applications

#coding #projects

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Post #1808 888 Aug 15, 2025, 06:21 UTC

The Only Data Analytics Skills You ACTUALLY Need To Land Your First Job ✅

🚫 The Learning Trap: Common Beginner Mistakes

• Complexity Overload: Learning complex ML models before the basics.
• Excel Hell: Spending months on obscure Excel formulas nobody uses.
• Tutorial Black Hole: Watching endless YouTube tutorials...
• ...But Zero Impact: Zero hands-on project experience.

✅ Reality Check: Core Skills That Land The Job

Most entry-level data analyst roles primarily require:

• 1. Spreadsheet Mastery (Excel / Google Sheets):
• VLOOKUP, INDEX-MATCH: Find the data you need FAST.
• Pivot Tables: Summarize data like a PRO.
• Basic Charts: Tell a story with visuals.
• Filters & Functions: Clean and prepare your data.

• 2. SQL (Core Only): Data Extraction POWER:
• SELECT, FROM, WHERE: Get the right data, every time.
• JOINs: Combine data from multiple sources.
• GROUP BY: Aggregate and summarize.
• ORDER BY: Present data clearly.
• Aggregates (COUNT, SUM, AVG): Find key metrics.
• ROW_NUMBER(): Rank and prioritize results.

• 3. Data Visualization (Power BI or Tableau Basics): Show, Don't Tell:
• Bar Charts, Line Charts: Present trends and comparisons.
• Filters: Make dashboards interactive.
• Drill-Down Dashboards: Explore data deeply.

• 4. Python for Data Analysis (Core Libraries): Automate & Analyze:
• Pandas & NumPy: Clean, manipulate, and analyze data.
• Data Cleaning & Merging: Prepare data for analysis.
• Basic Visualizations (Matplotlib/Seaborn): Create compelling charts.

• 5. Business Thinking: The #1 Underrated Skill:
• Understanding KPIs: Know what metrics matter to the business.
• Telling a Story with Data: Communicate insights effectively.
• Answering "Why Does This Matter?": Connect data to business outcomes.

⭐ Final Tip: Projects > Tools. Focus on mastering the core skills and building 2 REAL, impactful projects to show recruiters what you can DO! 💥

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