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Articles on Trending Technologies
Technical articles with clear explanations and examples
How to Create and Modify Properties File Form Java?
Program in Text and XML Format? In Java, a project's properties file is made up of text-based key-value pairs that are commonly stored with the .properties extension. The key-value pair of contents are presented line by line, and they are often created using notepad, Wordpad, etc. Properties files serve as valuable repositories for storing critical and confidential data. In this article, we will explore the process of creating a properties file using a Java program. The Properties class in this (java.util.Properties) package offers multiple utility store methods that facilitate the storage of properties in either Text Format or XML ...
Read MoreHow to Create a Thread-Safe ConcurrentHashSet in Java?
In this article, we will see what are the possibilities available to create thread-safe HashSet instances and see what will be equivalent to ConcurrentHashMap for HashSet. We will also look at the benefits and drawbacks of each approach. Before JDK8 we are not able to create a Thread Safe ConcurrentHashMap because java.util.concurrent package in JDK8 does not provide a class named ConcurrentHashSet, two new methods were added that are discussed below. ConcurrentHashMap is the Map implementation that allows us to modify the Map while iterating. The ConcurrentHashMap operations are thread-safe. ConcurrentHashMap doesn't allow null for keys and values. Ways to ...
Read MoreHow to find class of a clicked element using jQuery?
Overview We can easily find the class of the clicked element, the Jquery provides various methods which return the class name of the element when the element is clicked. The Jquery methods "attr()" and using "this.className" properties helps to find the class of an element. So to learn more about these methods we will be seeing the Examples which will cover both the methods. A class name is an attribute which defines the group or type of the data inside the tag. There can be different tags or elements which can contain the same class names but there in case ...
Read MoreHow to Find the Text on Page in ElectronJS?
Overview A find text on a page is a feature which helps a user to find a word on the page. An electronJs is an open source framework which creates a desktop application which can run on every operating system with its cross platform compatibility. The electronJs has many predefined instance methods with their respective functionality. So to build this feature of find text on page the electronJs provides a "findInPage" method which takes the current focused window and scans all the text on the page. Syntax For finding the text on page, the electronJs provides the below Syntax for ...
Read MoreHow to find element by text using jQuery?
Overview The Jquery consists of a predefined method which makes it easy for the developer to build this feature. The Jquery provides a selector Syntax by which we can find any text element. So the ":contains" selector is used for finding the text in any element. To learn fully about this ":contains" selector we will be developing this feature through an Example. Syntax The Syntax for finding the text in an element is given below − $(selector:contains()); selector − The selector in the above Syntax is termed as any element or class or id name which is ...
Read MoreHow to find all inputs with a value Green and change the text of next sibling span using jQuery?
Overview Using Jquery we can create this feature, as Jquery library provides the methods for changing the span text to the value of the input value. In this feature we should have a prior knowledge of the basic HTML and the Jquery. So the Jquery provides the methods as next() and text(), these two methods play a vital role in building this feature. We will also use a few styling methods to make the change visible from other normal text. Syntax The Syntax used in this feature is − $(selector).next().text("text"); selector − The selector in the above ...
Read MoreHow to find all the elements that are disabled in jQuery?
Overview The disabled elements are the elements which are not usable for the end user. These elements are disabled using the "disable" attribute. So using the JQuery library we can find all the total number of disabled elements in a HTML page. Using the Jquery selector we can find all the disabled elements by passing the ":disabled" pseudo selector. The ":disabled" selector will select all the elements in the top−down approach. This approach will scan all the disabled attributes and will list it out in a variable. Syntax The Syntax used in this approach is − $(":disabled").each(function () { ...
Read MoreHow to find all the children with specified class using jQuery?
Overview Jquery is a library which contains various predefined methods with their specific functionality. So to get all the children elements which contains the specific class with their tags can be achieved with the Jquery children() method. The Jquery children() method takes a single argument as the condition at which the set of data will be returned. As we want to find all the children with the specified class so we will be passing the class name as the argument within the method to find all the specific class. Syntax The Syntax used in this approach is − $(element).children(className); ...
Read MoreHow to filter children of any elements using jQuery?
Overview JQuery is a great JavaScript library which contains many pre−built methods which helps us to perform a certain function without writing a number of lines of code. An element in jQuery can be considered as any HTML element which is a parent of another element. So the elements inside an element are also termed as the children of that element and the container in which the children elements resides are the parent element. So to filter out the children of any element using the jQuery can be achieved using the jQuery children() method and the CSS (Cascading Style Sheet) ...
Read MoreHow to find textareas and makes a border using jQuery?
Overview For finding any element Jquery provides the best Syntax for the selector, it gives us a one line code for selecting any element from the HTML document. So to find all the textareas in the HTML we will be using the Jquery selector which will select the textareas and then by using the Jquery CSS(Cascading Styles Sheet) manipulation we will be making a border around the textarea. The border makes a User Interface more attractive. Syntax The Syntax for selecting and styling any element in Jquery is given below $(selector).css(); $(selector) − . For selecting any ...
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