It is a common standard file format for executable files, relocatable code (object ie .o files), shared libraries, and core dumps. It is a spec of ABI (Application Binary interface). By design it is flexible, extensible, cross-platform, CPU architecture & ISA independent. …


ignals are the software interrupts send to a program to indicate that a particular event has occurred. In other words, signal is the mode to pass information from one process to another process about the state of processes (Inter Process Communication).

In linux, all the signal names starts with SIG…


Today I’m going to show you what I’ve learned about hacking virtual memory, how to alter/hack the memory(heap in this case) used by a process on linux.


Question trap in most interviews because they do not specify which part relate..

Every day is normal visit various Web sites for information, enjoy entertainment, search for products and services or use social networking platforms to keep in touch with friends or family. …


What is IOT?

Internet evolved in a way we would never have imagined. At first, the progress was slowly. Today, innovation and communication occur at high speed.

Since its humble beginning as Advanced Research Projects Agency Network (ARPANET) in 1969, which interconnected a few sites, today it is predicted that the Internet will…


Grandma, I’m going to explain to you about machine learning, I’ll make sure you are going to understand everything. Machine learning is a valuable tool for helping software engineers to take advantage of the data.

It allows to customize the products for specific groups of people. Imagine that I created…


Python3: Mutable, Immutable… everything is object!

In the next few lines, I will explore what it means exactly because everything is an object in python. This short guide is intended to provide a minimum education on how objects are used to represent values ​​in Python, a knowledge that is essential for learning object-oriented programming. …


What’s a class attribute

A class attribute is a python variable that belongs to a class rather than a particular object. It is shared between all the objects of this class and it is defined outside the constructor function, __init__(self,...), of the class.

What’s an instance attribute

An instance attribute is a python variable belonging to one, and…


Summary for NOT informatics .. for example my mom…

  1. The terminal reads from the standard input, each of the characters and stores them in a buffer.

2. Then the shell tokens each word it finds in the buffer line.

3. Then a child process is created.

4. Then the shell…

Carlos Alvarez

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