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Recent posts tagged example

0 0 1 min.
Javascript parsedouble How do we parse an argument to double? Java script provides a method parseFloat(). The parseFloat() parses the given parameter and converts into a float or a double value. Consider below example, var num = "10"; var res = ...
posted 1 day ago DivyaN 459 points
0 0 2 min.
Math.sum javascript In this article, let us find the sum of numbers of an array. An array is an object which stores dissimilar datatypes. Arrays provide numerous methods that can be performed on array elements. As elements can be added any time to a...
posted 1 day ago DivyaN 459 points
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Javascript Hide button Here, is the article that helps to comprehend how to hide a button element in a document. Firstly, let us understand about the button element and its salient attributes and styling properties that can be applied to enrich a bu...
posted 1 day ago DivyaN 459 points
0 0 2 min.
Javascript for loop array Unlike other programming languages where an array is a collation of elements of similar data types, Arrays in JavaScript is a collection of elements of dissimilar data types. Elements can be removed and can be added to arra...
posted 3 days ago DivyaN 459 points
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Random number between 1 and 4 In this article, let us find an approach to generate a random number between given numbers. Let us first understand few concepts to find the solution. **Math.random()** Math is a built in object of Javascript that has...
posted 4 days ago DivyaN 459 points
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Check if char is null java In Java, a character is declared using data type char. Java's character represents a Unicode character. A Unicode character set defines a whole set of international characters that are available in all human languages. I...
posted 4 days ago DivyaN 459 points
0 0 3 min.
How to get last two characters of a string in java So, let us first start perceiving about the concept of string handling in Java. Unlike other programming languages where string is a implemented as a character array, string in Java is an instance ...
posted 4 days ago DivyaN 459 points
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The left-hand side of an assignment must be a variable In this tutorial , let us have a comprehensive description about variables. variables In Java, a variable is defined as a basic unit of storage. A variable declaration is a collation of data t...
posted 5 days ago DivyaN 459 points
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Given an int variable k that has already been declared Variables in Java are referred to as the basic unit of storage. The basic form of declaring a variable includes an identifier, data type of variable and a value assigned to the variable which is...
posted 5 days ago DivyaN 459 points
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Charsequence vs String In this article let us perceive CharSequence versus String. CharSequence CharSequence, an interface is a readable sequence of char values. It defines the methods that provide uniform and read only access to the character val...
posted Oct 20 DivyaN 459 points
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Stringutils isempty vs isblank StringUtils is an apache API which provides powerful utilities for string handling. It provides multitude methods to perform operations on a string. StringUtils defines the following nomenclature: - null = null - e...
posted Oct 18 DivyaN 459 points
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How to check if a button is clicked in javascript In this tutorial, let us create a code that checks if a button is clicked. Before that let us discuss about button and concepts related to it. In this tutorial let us learn how to redirect to an oth...
posted Oct 18 DivyaN 459 points
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Button that redirects to another page html In this tutorial let us learn how to redirect to an other html page when a button is clicked. In Javascript, a button is a html element which indicates a clickable element. A simple button looks like below...
posted Oct 18 DivyaN 459 points
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Javascript insert character into string at position In this article, let us decipher how we can insert a character at a specified position into a string. Let us first succinctly discuss about a string and methods to manipulate the string. ***String...
posted Oct 18 DivyaN 459 points
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Remove duplicate characters in a string javascript In this article, let us know how to remove the duplicate characters from a string. Whilst having numerous way to solve this, we focus on using the concept of Set here. In Javascript, Set object all...
posted Oct 13 DivyaN 459 points
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Javascript print In this article let us understand the Javascript print method(). print() Print() is a window object method. It opens a print dialog box to print the contents of the current document and allows the user to select the printing opti...
posted Oct 12 DivyaN 459 points
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Regex only letters In this tutorial let us decipher concisely about the regular expression concepts and a pattern which can only match the letters in a string. What is a regular expression ? A Regular expression is a sequence of characters that sp...
posted Oct 12 DivyaN 459 points
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String filter javascript In this article let us decipher how to filter an array of strings on a specific condition. An array in Javascript is a collection of elements of dissimilar data types. An array can hold elements of different data types unli...
posted Oct 12 DivyaN 459 points
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Javascript count occurrences in an array code example Before finding the solution to the problem. Let us succinctly discuss about arrays, how to declare, intialize, and cycle through array elements. Unlike other programming languages, Arrays in Jav...
posted Oct 11 DivyaN 459 points
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Assume that x is a char variable that has been declared and already given a value. write an expression to know if the given character is a letter. In Javascript, a character is a symbol(letters, numbers, punctuations) or non-printing control(carriag...
posted Oct 11 DivyaN 459 points