In this article, we will discuss different ways to check if a C++ array contains duplicates or not. Problem Description We have given an array that contains n numbers of an element. Now, we have to check whether the array contains duplicates or not. Input As this array contains the duplicates (value 49). Therefore, the …
This tutorial will discuss about unique ways to check if string starts with an uppercase in php. Table Of Contents Method 1: Using ctype_upper() function Method 2: Using Regex Summary Method 1: Using ctype_upper() function To check if string starts with an uppercase character we will use the ctype_upper() function. It accepts a string as …
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This tutorial will discuss about unique ways to check if string starts with a number in php. Table Of Contents Method 1: Using Regex Method 2: Using is_numeric() & ctype_digit() functions Summary Method 1: Using Regex PHP provides a function preg_match(), it accepts a regex pattern as first parameter and a string as the second …
This tutorial will discuss about unique ways to check if string starts with a letter in php. Table Of Contents Method 1: Using Regex Method 2: Using ctype_alpha() function Summary Method 1: Using Regex PHP provides a function preg_match(), it accepts a regex pattern as first parameter and a string as the second parameter. If …
This tutorial will discuss about unique ways to check if string starts with a specific character in php. Table Of Contents Method 1: Using substr() function Method 2: Using Comparision Operator Summary Method 1: Using substr() function Using the substr() function in PHP, we can fetch a substring from the given string. If we pass …
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This tutorial will discuss about unique ways to check if a string starts with a substring in php. Table Of Contents Method 1: Using substr() Method 2: Using strpos() function Summary Method 1: Using substr() To check if string starts with a given substring or not, we can fetch the first N characters from the …
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This tutorial will discuss about unique ways to check if a string is empty in php. Table Of Contents Method 1: Using empty() Method 2: Using strlen() Summary Method 1: Using empty() PHP Provides a function empty(), which accepts a string value as an argument, and return true if that string is empty. But before …
In this article, we will discuss about Generic Lambdas in C++14. Introduction to Generic Lambdas in C++14 Lambdas were introduced in C++11. A Lambdas is also known as an Anonymous Function, because it does not have any name. It accepts parameters and returns a value. It has a function body, but it does not have …
This tutorial will discuss about unique ways to remove the middle element from a numpy array. Suppose we have a numpy array of strings. Like this, Now, we want to remove an element from the middle of this numpy array. To remove an element from the middle of the numpy array, first we need to …
This tutorial will discuss about unique ways to remove elements from a numpy array in a specific order. Suppose we have an NumPy Array containing city names. Like this, now we want to delete the elements at index position 2, 5, and 1. First of all we will sort the given index positions in the …
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This tutorial will discuss about unique ways to remove every nth element from a numpy array. Suppose we have a numpy array of numbers, like this, We want to delete every 2nd element from this array. For this we will create a boolean array or a mask, where every Nth element will be marked as …