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Page 251 of my articles, tutorials, and thoughts
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Extracting bits with a single multiplication
# Extracting Bits with a Single Multiplication 🧩 Have you ever come across a situation where you needed to extract specific bits from a 64-bit integer? It can be quite a challenging task, but fear not! In this blog post, we will explore a fascinating tec
Is multiplication and division using shift operators in C actually faster?
🔍 **Is multiplication and division using shift operators in C actually faster? 🚀** Are you tired of those long, boring multiplication and division operations? Well, you're in luck! In the world of C programming, there exists a magical technique that can
Purpose of Unions in C and C++
# The Purpose of Unions in C and C++: Explained 🤔💡 Have you ever used unions in C or C++? If so, you might be surprised to learn that accessing a member of a union that hasn't been recently written to can lead to undefined behavior. 😱 So what exactly i
Why does the arrow (->) operator in C exist?
## Why does the arrow (->) operator in C exist? 🤔 Have you ever wondered why C has the arrow operator (->) instead of just using the dot operator (.) for accessing struct members through a pointer? It may seem like a small syntax difference, but there is
Why do you have to link the math library in C?
# Why do you have to link the math library in C? 🤔 So, you're working on a C program and you encounter this peculiar situation. When you include `<stdlib.h>` or `<stdio.h>` in your code, you don't have to worry about linking them during compilation. But,
How to convert a string to integer in C?
# How to Convert a String to Integer in C? 🤔💡 Are you tired of using the same old method to convert a string to an integer in C? Looking for a better or alternative way? You've come to the right place! In this blog post, we'll explore different methods
strdup() - what does it do in C?
📝Title: Decoding the Magic of strdup() in C - Unraveling its Purpose and Potential Pitfalls! 🧙♂️✨ 👋 Hey there, tech enthusiasts! Today, we'll dive into the fascinating world of the strdup() function in C. Ever wondered what this mysterious function do
Arrow operator (->) usage in C
# Understanding the Arrow Operator (->) in C 🏹 👋 Hey there! Are you new to the world of pointers in C? Do you find the arrow operator (->) confusing? Don't worry, you're not alone! In this blog post, we'll dive into the usage of the arrow operator
SQL Server Text type vs. varchar data type
📝 **Tech Blog Post: SQL Server Text Type vs. Varchar Data Type - A Practical Guide** Hey there tech enthusiasts! 😄 Are you puzzled about which SQL data type to use to store variable length character data in your SQL Server database? 🤔 Don't worry, we'v
Why do I get a segmentation fault when writing to a "char *s" initialized with a string literal, but not "char s[]"?
# What's With the Segmentation Fault: "char *s" vs "char s[]"? ✋😱 Oh no! You just ran into a dreaded segmentation fault error when trying to modify a string. Don't worry, you're not alone. This error can be quite sneaky, but fear not! 💪 In this blog post