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Understanding Array Element Address Calculation in C++
How the address of an array element is calculated in C++ Your browser does not support HTML5 video. Watch the video here. The above video demonstrates how the address of each array element is calculated from the base address. It begins with a char array, gradually reveals the address of each element, applies the address calculation formula, and then changes the element type to int and double. An…
Python Memory Management: Understanding Names vs Objects
Names and objects are two different things In Python, names and objects are two different entities. This is unlike C or C++, where a variable is a named region of storage. When we declare a variable in C, say int count = 5;, the compiler reserves a block of memory, the name count refers to that block, and the value 5 is written into it. Assigning a new value later overwrites the contents of the…
C++26 Reflection: Simplifying JSON Serialization
In the previous post I have discussed the basic usage of C++26’s latest (still experimental) feature called reflection. In this post we will look into a more concrete problem which many of us have come across called JSON serialization. We often receive the data in the form of an object of a user defined class. And what we need to do is to format it in JSON format which means to associate the data…
Exam Question Pattern 1
Exam Question Pattern 1 Pointers, dynamic arrays and template classes: a complete C++ examination revision guide based on recurring question patterns Vivek Bhadra | C++ Pointers Arrays Templates Exam Preparation Introduction Examination questions often change their data and function names while continuing to test the same underlying programming skills. Across the recurring 2023, 2024 and 2025…
Understanding C++ Memory Layout for Systems Programming
It is extremely important for a systems programmer to understand the memory layout of a typical C++ program while it is running. The following video provides a visual demonstration of this layout. The exact arrangement may vary depending on the platform, but the underlying concepts remain broadly the same: A typical C++ process memory layout As shown in the video, a typical process memory…
How to Format C++ Code with clang-format in VS Code on Linux
Learn how to format C++ code with clang-format in VS Code and apply one consistent style to an entire source tree on Linux Vivek Bhadra | C++ Linux VS Code clang-format In this article Introduction What is clang-format? Why automatic formatting matters Project structure Linux and VS Code setup Reviewing the result Frequently asked questions Introduction Formatting C++ code manually can be…
C++26: what is reflection and how to use it
It is my ambition to explore C++26 in bits and pieces. Hopefully, by the end of this year, I will be able to explore all the major aspects of it and be in a position to evaluate which of these features to use and promote and which not to use. However, at this point, it is important to understand each and every aspect in simple terms, keeping all the clutter aside. Last week I explored and wrote…
C++26: what is "template for"?
I have just started using bits and bobs of C++26 in my experimental code and came across template for. It looks curious and also changes the look and feel of traditional C++ code IMO. So what it is used for? I will take the simplest possible example to explain what I understood about it to focus on the featue and not on the problem. Let’s look at the following exaple code: //…
Prompting C++ for Systems Engineering: Book Overview and Full Table of Contents
Published book · AVA Prompting C++ for Systems Engineering Learn modern C++ through practical systems-engineering examples, professional development tools, real-world projects, and responsible AI-assisted programming — a structured journey from fundamentals to object-oriented programming, memory management, templates, the STL, multithreading, debugging, testing, refactoring, and…
Debugging Strategies for C++ Engineers
This post is not about conventional debugging techniques. I will discuss those in a separate post. Effective C++ debugging requires the right strategy, as conventional debugging techniques are not always sufficient to resolve complex, time-sensitive issues. Before applying any particular tools or techniques, there are a number of things you should do to analyse the problem and understand and…
Install STM32CubeMX on Ubuntu 22.04: Java 21 Issues Explained
Introduction to STM32CubeMX STM32CubeMX is a versatile graphical configuration tool developed by STMicroelectronics specifically for STM32 microcontroller projects. It simplifies the setup and initialization process by allowing developers to configure various aspects such as pins, clocks, peripherals, and middleware through a user-friendly interface. In addition, STM32CubeMX generates the…
Compile Your First C++26 Program with GCC 16.1
The GCC 16.1 compiler is out and I couldn’t wait to get my hands on it. I have just now installed the GCC 16.1 on my Ubuntu machine and quickly compiler a C++26 program and ran it and I was excited to see it went like a charm. So I have jotted down the steps I followed to install the new compiler and a sample program written using C++26 feature reflection, compiling and running it in my Ubuntu…
Beginner's Guide to Google Colab for Machine Learning
Machine learning can feel overwhelming when you are starting out. The tools, setup, and environment configuration often become the biggest barrier before you even write your first line of code. The easiest way to begin is Google Colab. It removes all setup complexity and allows you to run Python, PySpark, and machine learning workflows directly in your browser. This guide walks you through…
Setting Up Splunk on Ubuntu for AWS Log Management
In today’s digital landscape, effective log management is crucial for maintaining security and performance in cloud environments. This post outlines the step-by-step process of setting up a local Splunk Enterprise server on Ubuntu and integrating it with AWS VPC Flow Logs. By following this guide, you will learn how to ingest, index, and analyze cloud logs, enabling you to harness the power of…
Secure Your AWS: Create an IAM User with MFA
In a previous post I discussed about how to configure the root account and enable MFA for better security. Also in another previous post I have discussed how to configure your AWS account. In this post we will move to the next important step, which is creating a separate user account for daily usage instead of using the root account. Using the root account for regular work is not recommended.…
Datawarehouse Numerical Questions and Worked Examples
1. Range Partitioning Based on Year Problem:Consider the SALES table: Sale_ID | Date | Region | Amount 101 | 2022-01-15 | South | 5000102 | 2022-05-20 | North | 7000103 | 2023-02-10 | East | 6000104 | 2023-07-25 | West | 8000 Partition the table based on the year. Solution:The year is extracted from the Date column. Records belonging to year 2022 are: 101, 102 Records belonging to year…
Understanding Cloud Data Security: Encryption Basics
Introduction In today’s digital age, the security of sensitive information is paramount. With the increasing reliance on technology for personal, financial, and organizational tasks, understanding encryption has never been more critical. Encryption serves as a cornerstone for safeguarding data, ensuring that only authorized users can access it. This post explores the two main types of…