AI TOOLS
CODING TUTORIALS
code compiler
CONVERTER
OTHER COURSES
CHOOSE CATEGORY WHAT YOU WANT
Functions in C: Complete Guide
Introduction to Functions Functions are the building blocks of C…
Arrays in C
Arrays are fundamental data structures in C that allow you…
The Heart of Text Processing: A Complete Guide to Strings in C
Strings are fundamental to almost every C program, from simple…
Execute First, Check Later: Mastering the Do-While Loop in C
Among C's three loop structures (while, for, and do-while), the…
Complete Guide to Bash scp Command (Secure Copy)
Introduction to scp The scp (Secure Copy) command is a…
Complete Guide to Bash ssh Command
Introduction to ssh SSH (Secure Shell) is a cryptographic network…
Bash wget Command – Complete Guide to Non-Interactive Network Downloader
Introduction to wget wget (World Wide Web Get) is a…
Complete Guide to Bash curl Command
Introduction to curl Command curl (Client URL) is a powerful…
Making Decisions: A Complete Guide to If-Else Statements in C
In programming, decision-making is fundamental—your code needs to react differently…
Switch Case in C
The switch statement in C provides a multi-way branching mechanism…
Mastering Iteration: A Complete Guide to For Loops in C
Loops are fundamental constructs in programming that allow you to…
While Loop in C: Complete Guide
Introduction to While Loops The while loop is a fundamental…
Complete Guide to Bash ping Command (Network Connectivity Testing)
Introduction to ping The ping command is one of the…
Complete Guide to Bash uptime Command
Introduction to uptime The uptime command is a fundamental Unix/Linux…
Bash kill Command – Complete Guide to Terminating Processes
Introduction to kill The kill command is a fundamental utility…
Complete Guide to Bash free Command
Introduction to free Command The free command is a essential…
Arithmetic Operations in C: Complete Guide
Introduction to Arithmetic Operations in C C provides a comprehensive…
Mastering the Gateway: A Complete Guide to Basic Input/Output in C
Input and Output (I/O) operations are the fundamental means by…
Variables and Data Types in C
C is a statically-typed language, meaning every variable must be…
Hello World in C: Your First Step into Systems Programming
The "Hello, World!" program is the traditional first step when…
Complete Guide to Bash df Command
Introduction to df The df (disk free) command is a…
Complete Guide to Bash du Command (Disk Usage)
Introduction to du The du (disk usage) command is a…
Bash top Command – Complete Guide to Displaying Linux Tasks
Introduction to top The top command is one of the…
Complete Guide to Bash ps Command
Introduction to ps Command The ps (process status) command is…
Secure API Gateway in Java: Complete Guide
Introduction to Secure API Gateway An API Gateway is a…
OAuth 2.0 Rich Authorization Requests (RAR) in Java: Complete Guide
Introduction to Rich Authorization Requests (RAR) OAuth 2.0 Rich Authorization…
XYZ Protocol (Future) in Java: Next-Generation Distributed Communication
As distributed systems evolve beyond current paradigms, the XYZ Protocol…
Never Trust, Always Verify: Implementing Zero Trust OAuth in Java Applications
The traditional perimeter-based security model—where everything inside the corporate network…
The Next Generation: Implementing GNAP (Grant Negotiation and Authorization Protocol) in Java
As the limitations of OAuth 2.0 become apparent in modern,…
Complete Guide to Bash head Command (Display Beginning of Files)
Introduction to head The head command is a fundamental Unix/Linux…
Complete Guide to Bash tail Command
Introduction to tail The tail command is a fundamental Unix/Linux…
Bash sort Command – Complete Guide to Sorting Lines of Text Files
Introduction to sort The sort command is a powerful utility…
Complete Guide to Bash cut Command
Introduction to cut Command The cut command is a powerful…
Securing Mobile and SPAs: Implementing PKCE for Public Clients in Java
Mobile applications and Single Page Applications (SPAs) face unique security…
UMA 2.0 Protection in Java: Federated Authorization for Resource Servers
User-Managed Access (UMA) 2.0 is an OAuth-based protocol that enables…
Fine-Grained Authorization: Implementing Rich Authorization Requests (RAR) in Java
Traditional OAuth 2.0 scopes provide a coarse-grained approach to authorization,…
Complete Guide to Bash sed Command (Stream Editor)
Introduction to sed sed (Stream Editor) is a powerful text…
Complete Guide to Bash awk Command
Introduction to awk awk is a powerful text-processing language and…
Bash grep Command – Complete Guide to Searching Text Using Patterns
Introduction to grep The grep command (Global Regular Expression Print)…
Complete Guide to Bash alias
Introduction to Bash alias An alias in Bash is a…
Strong Customer Authentication (SCA) in Java: Complete Guide
Introduction to Strong Customer Authentication Strong Customer Authentication (SCA) is…
Open Banking Down Under: Implementing Consumer Data Right (CDR) in Java Applications
The Consumer Data Right (CDR) is Australia's ambitious open banking…
OAuth 2.1 Compliance in Java: Modern Authorization for JVM Applications
OAuth 2.1 represents the next evolution of the authorization framework,…
Automated Onboarding: Implementing Dynamic Client Registration (DCR) in Java
In modern OAuth 2.0 and OpenID Connect ecosystems, client applications…
Complete Guide to Bash mkdir Command
Introduction to mkdir The mkdir (make directory) command is a…
Complete Guide to Bash man Command (User Manual)
Introduction to man The man command (short for "manual") is…
Bash touch Command – Complete Guide to Changing File Timestamps
Introduction to touch The touch command is a fundamental utility…
Complete Guide to Bash rm Command
Introduction to rm Command The rm (remove) command is one…
Berlin Group NextGenPSD2 in Java: Implementing Open Banking APIs for European Compliance
The Berlin Group NextGenPSD2 framework is the dominant standard for…
Banking-Level Security: Implementing Financial-Grade API (FAPI) Standards in Java
Article In the world of open banking and financial services,…
Open Banking PSD2 in Java: Complete Guide
Introduction to PSD2 and Open Banking The Revised Payment Services…
Banking-Grade Security: Implementing FAPI Security Profile in Java Applications
In the financial services sector, API security requirements extend far…
FAPI Security Profile in Java: Implementing High-Security Financial-Grade APIs
In the world of open banking, financial services, and high-value…
Decoupled Authentication: Implementing CIBA (Client-Initiated Backchannel Authentication) in Java
Article In the evolution of OAuth 2.0 and OpenID Connect,…
Complete Guide to Bash cp Command
Introduction to cp The cp (copy) command is one of…
Complete Guide to Bash mv Command (Move/Rename Files)
Introduction to mv The mv command (short for "move") is…
Bash cat Command – Complete Guide to Concatenating and Displaying Files
Introduction to cat The cat command (short for "concatenate") is…
Complete Guide to Bash echo Command
Introduction to echo The echo command is one of the…
Complete Guide to Bash pwd Command (Print Working Directory)
Introduction to pwd The pwd command (Print Working Directory) is…
Complete Guide to Bash Commands
Introduction to Bash Bash (Bourne Again SHell) is a Unix…
Complete Guide to Bash cd Command
Introduction to cd The cd (change directory) command is one…
Bash ls Command – Complete Guide to Listing Directory Contents
Introduction to ls The ls command is one of the…
Bash ls Command – Complete Guide to Listing Directory Contents
Introduction to ls The ls command is one of the…
JAR (JWT Authorization Request) in Java: Complete Guide
Introduction to JAR (JWT Authorization Request) JWT Authorization Request (JAR)…
Proof of Possession (PoP) in Java: Complete Guide
Introduction to Proof of Possession Proof of Possession (PoP) is…
Enhancing OAuth 2.0 Security: Implementing Pushed Authorization Requests (RFC 9126) in Java
In traditional OAuth 2.0 and OIDC flows, the authorization request…
DPoP (OAuth Demonstrating Proof-of-Possession) in Java: Binding Tokens to Clients
In the OAuth 2.0 and OpenID Connect ecosystems, bearer tokens…
Beyond Bearer Tokens: Implementing Mutual TLS for Strong Authentication in Java
In the landscape of API security, bearer tokens (JWT, OAuth2)…
OAuth 2.0 Token Exchange in Java: Implementing RFC 8693 for Modern Identity Flows
Article In distributed systems and microservices architectures, tokens often need…
Token Introspection in Java: Validating and Inspecting OAuth2 Tokens
In modern distributed systems and microservices architectures, tokens are the…
Rust Interview Preparation: Commonly Asked Questions – Set 3
Table of Contents 1. Ownership and Borrowing Deep Dive Q1:…
Controlling Access: Implementing Robust Token Revocation in Java Applications
Article In modern distributed systems, tokens (JWT, OAuth2, API keys)…
Rust Interview Preparation: Commonly Asked Questions – Set 3
Table of Contents 1. Ownership and Borrowing Deep Dive Q1:…
Rust Interview Preparation – Commonly Asked Questions Set 2
Table of Contents 1. Ownership and Borrowing Deep Dive Q1:…
Rust Interview Preparation: Commonly Asked Questions – Set 1
Introduction This comprehensive guide covers the most frequently asked Rust…
Trust in Transit: Implementing JSON Web Signatures (JWS) in Java
Article In the world of distributed systems, microservices, and API-driven…
JWT Validation Best Practices in Java: Complete Guide
Introduction to JWT Validation JSON Web Tokens (JWT) are widely…
XML Digital Signatures in Java: Securing XML Documents with Cryptographic Signatures
In enterprise environments, XML remains a fundamental format for data…
Secure Email Communication: Implementing S/MIME Signing and Encryption in Java
Article In enterprise environments, email remains a primary communication channel…
Rust Interview Preparation: Commonly Asked Questions – Set 4
Introduction This comprehensive guide covers advanced Rust interview questions focusing…
Complete Guide to Rust Enums
Introduction to Enums in Rust Enums (enumerations) in Rust are…
OpenPGP with Bouncy Castle in Java: Complete Guide
Introduction to OpenPGP OpenPGP (Pretty Good Privacy) is an encryption…
JOSE (JWT, JWS, JWE) in Java: Complete Guide to JSON Object Signing and Encryption
In modern distributed systems, the need for secure, interoperable token…
Compact Security: Implementing COSE for CBOR in Java
In the world of constrained devices, IoT sensors, and efficient…
Simple Yet Secure: Implementing Fernet Tokens for Message Encryption in Java
In the landscape of application security, there's often a tension…
Complete Guide to Rust Structs
Introduction to Rust Structs Structs (short for "structures") are custom…
Complete Guide to Rust HashMap
Introduction to HashMap in Rust HashMap is a collection type…
Complete Guide to Rust Certification
Introduction to Rust Certification Rust certification validates your expertise in…
Complete Guide to Rust Vectors
Introduction to Vectors in Rust Vectors (Vec<T>) are one of…
Complete Guide to Rust Arrays
Introduction to Rust Arrays Arrays in Rust are fixed-size collections…
Complete Guide to Rust Data Structures
Introduction to Rust Data Structures Data structures are fundamental building…
Complete Guide to Rust Tuples
Introduction to Tuples in Rust Tuples are one of Rust's…
ChaCha20-Poly1305 in Java: Complete Guide
Introduction to ChaCha20-Poly1305 ChaCha20-Poly1305 is an authenticated encryption algorithm combining…
Authenticated Encryption Demystified: Implementing AES-GCM in Java
In the landscape of modern cryptography, encryption alone is no…
Complete Guide to Rust Borrowing and References
Introduction to Borrowing and References Borrowing is one of Rust's…
Complete Guide to Rust Ownership
Introduction to Ownership in Rust Ownership is Rust's most unique…
XChaCha20-Poly1305 in Java: Modern Authenticated Encryption for JVM Applications
In the evolving landscape of cryptographic algorithms, XChaCha20-Poly1305 has emerged…
Cryptographic Key Management: Implementing HKDF for Secure Key Derivation in Java
In modern cryptography, secure key management is as important as…
Complete Guide to Rust Strings
Introduction to Rust Strings Strings in Rust are a complex…
Complete Guide to Rust Scope
Introduction to Scope in Rust Scope defines the region of…
Our Services
Discover a suite of services tailored to enhance your coding skills and tech knowledge. From real-time code execution to comprehensive learning resources, our offerings are designed to ensure your success in the digital landscape.
About Macro Nepal
At Macro Nepal, we strive to bridge the gap in tech education in Nepal, fostering a culture of innovation and excellence among our learners. Our commitment to high-quality teaching and comprehensive resources drives our mission to empower every individual to achieve their tech goals.
Continuous Evolution
We are committed to evolving our platform and offerings to stay abreast of the changing tech landscape.
Our courses emphasize hands-on learning, ensuring that you are job-ready with real-world programming skills.
AWISKAR ACHARYA
CEO & Founder
Our Portfolio
See the projects we have implemented and the impact we've made.
Key Features
Explore our platform's powerful features that enhance learning and coding productivity, tailored for students and professionals alike.
Testimonials
"Macro Nepal transformed my understanding of coding! The real-time compiler and supportive community made learning so enjoyable."
"The courses are well-structured and the mentors are incredibly knowledgeable. I highly recommend Macro Nepal!"
"Thanks to Macro Nepal, I landed my dream job in tech. Their resources and support were invaluable in my journey."
Contact Us
Kathmandu Nepal
9827106244