1. Introduction In programming, “value rounding up” is a feature that surprisingly often becomes necessary in everyday situations. For example, when you always want to round the result of […]
1. Introduction When programming in C, you often encounter issues with case sensitivity when dealing with characters and strings. For example, many people have struggled with situations where things d […]
1. Why the “C Language Version” Matters C language has been widely used as a foundation for programming languages since its birth in the 1970s. Over its long history, various versions (sta […]
1. Characteristics and Use Cases of the while Loop In C, the “while” statement is a control construct that repeats the same operation while a specific condition holds. There are many situa […]
1. Introduction If you have learned C or use it in a development setting, many of you have probably encountered an error called “Segmentation Fault (segmentation fault, often abbreviated as segfault). […]
1. Introduction When you start learning C, the first thing you encounter is how to display characters and information on the standard output. Among these, the putchar function is highlighted in many t […]
1. Introduction When developing system programming or network applications in C, you may encounter requirements such as “want to monitor multiple inputs and outputs simultaneously” or R […]
1. Why You Should Learn “Pass-by-Reference”? When learning C, the concept of “pass-by-reference (pointer passing)” is unavoidable. It’s a point where many beginners stumble, but a solid un […]
1. Introduction When you start learning C, you encounter various fundamental programming tasks. Among them, “determining even and odd numbers” is one of the topics that is easy for beginne […]
1. Introduction Meaning and Importance of NaN in C In C, when dealing with floating-point numbers, you cannot avoid the existence of NaN (Not a Number). It is a special numeric value, also translated […]
