Sometimes you may need to change the port of mongod instance running in your system. The default port is 27017 and it is used by default if you are running mongod. This port is used by both mongod and mongos Read more…
Introduction : Trimming is used to remove whitespace characters from a string. Javascript provides us different methods to remove whitespaces from the start, end and both sides of a string. Whitespace is any whitespace character like tab, space, LF, no-break Read more…
Introduction : The substr function is used to get one substring from a string in Javascript. In this example, we will learn how to use the substr method in Javascript with examples. Syntax : The syntax of the substr Read more…
Introduction : In this tutorial, we will learn how to find the second-highest number in an array in C++. The program will take the array elements as input from the user. It will then find out the second-highest element and Read more…
Introduction : In this tutorial, we will learn how to find the power of a number in C++. We can use one loop to find the power or C++ provides one method called pow() to find the power. The program Read more…
Introduction : Python OS module provides different methods to perform different operating system tasks like create a directory, delete a directory, etc. In this post, we will learn how to check if a directory exists or not and to create Read more…
Introduction : In this tutorial, we will learn how to reverse a number in C++ using one loop. We will use one while loop to reverse the number. The program will read the number as input from the user, reverse Read more…
Introduction : Comments are important. It makes the code more readable. Comment is supported in all programming languages. In C++, comments are categorized into two types. In this tutorial, I will show you how to write comments in a C++ Read more…
Introduction : Pointer variables are used to store the address of a variable in C. We can also access these values stored in the address. In this tutorial, we will learn how to find the largest among three numbers using Read more…
Introduction : In this tutorial, we will learn how to compare two strings in C using strcmp() method. This method takes two arguments i.e. the two strings and returns one integer value. It is defined as below : Definition Read more…
