In this article, we will discuss the size of C++ classes. We will look into an empty class, a class with member function, a class with virtual functions, and a class with data members. We will be using a 64-bit machine to compile the test code. For a 64-bit machine, the pointer size is 8 … Read more
Sometimes we need to test internet speed and we shall use websites like speedtest.net,fast.com etc but in this article, we will discuss a way to check internet speed from the terminal. We can use speedtest.net CLI(Command-line interface) tool to check the internet speed. Install speedtest CLI on Ubuntu/Debian Firstly, install curl using the below command. … Read more
In this article, we will discuss various methods to check substring in python string. There are two ways to check substring in python. Using the in operator The simplest way to check the substring python string is using the in operator. To test the membership we can use in and not in operators. For strings, … Read more
In this article, we will discuss how to install redis on WSL. Redis is an in-memory key-value data structure store, used as a memory key-value database, cache, and message broker. Officially, the redis is not supported on Windows. However, we can run it on WSL (Windows Subsystem for Linux). We will be using Windows 10 … Read more
Have you ever thought about the shortest C++ program? In this article, we’ll look into the shortest C++ program. C++ is a compiled language. Firstly, the compiler processes the source code files and produces object files. The linker will combine these object files to yield an executable program. Let’s look into the smallest C++ program … Read more
In this article, we will discuss various methods to convert std::string to int in C++. 1.Convert string to int using atoi function The atoi function parses C-style string (null-terminated) content as an integer. Syntax of atoi Defined in header <cstdlib> (stdlib.h) Arguments str – C- style null-terminated string Returns On success, returns the converted number … Read more
In this article, we discuss the maximum value of integers in python. We will consider python 2 and python 3 versions. Python 2 In python 2, integers are internally handled using int and long data types. If the number value is beyond int’s maximum value of int it automatically switches to a long data type. … Read more
In this tutorial, we will discuss the methods to split a string into a list. Python string has split() method it can be used to split the string into a list. Syntax Parameters seperator – seperator used to split the string, it can be a character or multiple characters (optional) maxsplit – Number of splits … Read more
In this tutorial, we will discuss the randrange function in python. The randrange() function Python random module contains all the random number generation functions. Thus, to use randrange function we should import random module. The randrange function returns an element from a range of numbers. Syntax Parameters start – An integer specifying at which position … Read more
In this article, we will discuss python list append and extend functions. We’ll also check the performance of the functions. List append The append function is used to add an item to the end of the list. The syntax of append function Examples Add a single item to list Output Add multiple items to the … Read more