What is ARP? Understanding Address Resolution Protocol Basics (Simple Guide)
When two devices on a local network need to communicate, they don’t rely solely on IP addresses—they … Read more
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Programming Languages
Ensure File Availability: How to Check if a File Exists in Java Easily!
Checking if a file exists is a fundamental part of many Java programs, especially those that involve … Read more
C Program to Get Current Username of a Linux Application: A Complete Guide
In Linux applications, there are often situations where you need to retrieve the current username to customize … Read more
Understanding C Program Memory Layout: Text, Data, Heap, and Stack Segments Explained
In C programming, understanding how memory is allocated is crucial for writing efficient and bug-free code. The … Read more
Difference Between Native Compilation and Cross Compilation Explained With Example
Compilation is a fundamental process in software development, converting source code into executable programs. Understanding the difference … Read more
How to Create a Text File from a String in Buffer Using C ?
Creating a text file from a string stored in a buffer is a common task in C … Read more
How to resolve “cc1: all warnings being treated as errors” ?
If you are compiling some C program or open source package using Makefile which is written by … Read more
C Program to Execute Linux Commands
Following program shows how you can run some Linux commands from C program using C library API … Read more
First C Program – “Hello World”
Let’s write a first C program which normally would be “helloworld” We begin with the text editor … Read more
How to implement linked list in C programming ?
This programs shows a simple way to implement singly link list ( Singly link list is the … Read more
Resolve error : ” no buildable Go source files in “
Sometimes when we try to compile an unknown go package, we can see an error like “no … Read more
Execute C code from go – c to golang binding
// If a Go source file imports “C”, it is using cgo. The Go file will have … Read more
Implement stack in C programming
In continuation of demonstrating simple implementation of data structures, as we shown in our last post “How … Read more
Byte Array To Integer And Integer to Byte Array Conversion using JAVA
If you are working in some network related data transfer like sending some commands over socket, then … Read more
Check if Filepath is Normal File or Directory in JAVA
In our previous post, we seen how to identify if a file is present or Not using … Read more
Working with Strings in Kotlin
The basic datatype of strings in Kotlin is mostly similar as that of used in java. Only … Read more
C atexit(): Cleanup on Normal Termination, Not Every Exit
`atexit()` registers no-argument callbacks for normal program termination. They run in reverse registration order after `main` returns or `exit()` is called—but not after `_Exit()`, `_exit()`, `abort()`, an unhandled fatal signal, a crash, or a forced kill.
C program to print Hex values of characters in string
Following program prints the hexadecimal values of all the characters in any string. Currently we have used … Read more
Associativity of Operators in C Programming
When some expression in C contains two operators with same/equal priority, the expression gets executed as per … Read more
Send and Receive (Transfer) integer over socket using C program
Following the simple example which shows how we can send and receive an integer over a socket. … Read more
Read the contents of a file into character buffer using C program
Lets say we want to read the contents of some file and want to operate on these … Read more
What is Clang ? How to compile C program using clang
What is Clang ? Clang is a compiler front end for the C, C++, Objective-C and Objective-C++ … Read more
Example for using shared data between two Unix threads
Following is the simple example to show, how we can create two threads at a time and … Read more
Creating a simple thread in Linux using pthread library api’s
In this post, we create a simple thread using pthread library API “pthread_create” and wait for this … Read more