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A Full Outer Join is an operation that combines the results of a left outer join and a right outer join. In PySpark, it is used to join two dataframes based on a specific condition where all the records from both dataframes are included in the output regardless of whether there is a match or not. This article will provide a detailed explanation of how to perform a full outer join in PySpark and provide a practical example to illustrate its implementation. Installation and Setup Before we can perform a full outer join in PySpark, we need to set up ... Read More
Introduction When we have to connect our android application to other applications or websites we can use URI (Uniform Resource Identifier) to connect. In this article we will take a look on How we can create a URI scheme for our android application. Implementation We will be creating a simple application in which we will be displaying two text views. First text view we will be using to display the heading of our application. We will be using a second text view for displaying the data to be passed through our URL. Step 1 : Creating a new project in ... Read More
SASS is a CSS pre-processor, that stands for Syntactically Awesome Style Sheet. The SASS code is written just like a scripting language like JavaScript, but at the time of compilation it is converted into CSS and compiled as CSS in the browser. SASS can be used with any version of CSS. It is used to enhance and advance the way of writing the code in normal CSS. In normal workspace, we are used to of writing the whole code in one single file only, that makes our code complex to read and understand for any other developer. SASS allow us ... Read More
In CSS or the Cascading Style Sheet, there are many units available to represent the values of different properties in different ways according to the need. The CSS properties like: font-size, height, width and line-height etc are used to define the different properties to a container. The values of these properties can be assigned in the form of different units. In this article, we are going to learn about the different CSS units in details and implement them practically to understand use of each one of them. There are many CSS units available in CSS, but in this article ... Read More
Introduction In many android applications we can get to see that document scanner functionality is present in it in which the application takes the photo of the document and crops the image of that document from all sides based on the requirement and displays that document in the form of image. We can also add filters to that image such as black and white and others. In this article we will take a look on How to implement document scanning functionality in Android ? Implementation We will be creating a simple application in which we will be displaying a text ... Read More
In today’s time, when you right click on any web page there will be a list of some with some options and functionality pops up. This popup menu is also known as the context menu which is a default popup menu given by browser. The items in the list of this menu varies in different browsers. Some browsers provide more functionality while some provides limited. But here’s a way to add your own custom context menu or the right click menu on your web page with as much as options as you want. But before adding the custom context menu, ... Read More
Introduction GUI (Graphical User Interface) of any android application lets users interact with the various functionalities of android applications. The GUI is the main part of the application which is visible to the user. GUI of any android applications can be designed in several different ways such as using XML, Dart, Kotlin and many more. In this article we will take a look at How to define a GUI layout of an android application using XMl files. Implementation We will be creating a simple application in which we will be creating a text view for displaying the heading of our ... Read More
Introduction Many android applications nowadays use Google Maps within it to display the map to the users. For example we use many food delivery applications in which we can get to see our order status along with the location of the delivery boy on Google Maps. We can get to see different types of markers on each of the application depending on their use case. In this article we will take a look on How to create a custom shaped bitmap marker with android maps API? Implementation We will be creating a simple application in which we will be displaying ... Read More
In general, if we hover or take the cursor over an element in HTML document the cursor by default appears as an arrow or a selector if we hover it over a text. But, we can change the behaviour of the cursor on hover to selected elements to any type of available cursor types using the CSS property. Let us now discuss and understand how you can change the behaviour of the cursor on hover to any particular element using the :hover state and the cursor property of CSS. Cursor Property The cursor property in CSS comes with a lot ... Read More
In some situations, we need to retrieve or get the text value stored inside a particular div element to use some condition, if the text is dynamic or for some other tasks in jQuery. By getting the value stored in the div element, we can perform any task based on the value of the element in jQuery. In jQuery, we can retrieve or get the stored value of a div element using three different methods. The methods are listed below − By using the text() method By using the html() method Let us now understand working of each ... Read More