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This article will explain to you how to get the name of the class of an object in the Swift language. Swift provides us with a function called type(of:) to get the type of a value or the class name of an object. You can use the type(of:) function to find the dynamic type of a value, particularly when the dynamic type is different from the static type. The static type of a value is the known, compile-time type of the value. The dynamic type of a value is the value’s actual type at run-time, which can be a subtype ... Read More
To cast VARCHAR to INT, we can use the cast() function from MySQL. Here is the syntax of cast() function. cast(anyValue as dataType) For our example, we will create a table with the help of CREATE command. mysql> create table VarchartointDemo -> ( -> Value varchar(100) -> ); Query OK, 0 rows affected (0.51 sec) After creating a table, let us insert some records into the table with the help of INSERT command. The query is as follows − mysql> insert into VarchartointDemo values('123'); Query OK, 1 row affected (0.26 sec) ... Read More
In digital electronics, both combinational and sequential circuits are the most widely used circuits. These are two broad categories of circuits defined in the digital electronics where one type of circuit is independent of time and other is dependent on time. Read this article to find out more about combinational circuits and sequential circuits and how these two circuits are different from each other. Let's start with a basic overview of combinational and sequential circuits so that it becomes easier to understand how they are different from each other. What is a Combinational Circuit? A combinational circuit is one whose ... Read More
This tutorial teaches us how to reset or clear a form using JavaScript. This option is very helpful for users in the situation where they have filled the wrong form and before submitting they get to know about it and now they want to delete all the data. If the form is too large then manually deleting everything may be hard so it's better to use the reset() method of JavaScript. The reset() method is defined in JavaScript and by just clicking on it the form which will be linked to its onclick() method will reset every input section of ... Read More
In an HTML web page, the space between elements refers to the area around and between different elements, such as text, images, and other HTML elements. There are several ways to add space between elements in web design. One common method is to use CSS (Cascading Style Sheets) to create margins and padding around elements. Adding space between HTML elements using CSS Web design often requires adding space between elements to create a visually pleasing layout and improve readability. Web design has several ways to add space between elements. One common method is to use CSS (Cascading Style ... Read More
A parity bit is a check bit, which is added to a block of data for error detection purposes. It is used to validate the integrity of the data. The value of the parity bit is assigned either 0 or 1 that makes the number of 1s in the message block either even or odd depending upon the type of parity. Parity check is suitable for single bit error detection only.The two types of parity checking areEven Parity − Here the total number of bits in the message is made even.Odd Parity − Here the total number of bits in ... Read More
HTML tables allow us to arrange data into rows and columns on the web page. We use the tag, to create table in HTML. A table consist of rows and columns. Table heading, row and column and table data can be set using one or more , , and elements. A table row is defined by the tag. To set table header, we use tag. To insert data in table cell, use the tag. A table in HTML consists of table cells inside rows and columns of the table. Table heading is defined by ... Read More
Given the task is to show the working of system() in C/C++.The system() function is a part of the C/C++ standard library. It is used to pass the commands that can be executed in the command processor or the terminal of the operating system, and finally returns the command after it has been completed. or should be included to call this function.SyntaxThe syntax is as follows −int system(char command)This function returns zero if the command is executed without any errors.ExampleInput: system(“date”) Output: The current date is: Fri 12/27/2019Explanation − The following example shows how we can use the system ... Read More
In this tutorial, we shall learn to include another HTML file in an HTML file. Various methods are available to include another HTML file in an HTML file. Let us quickly go through the techniques that have support on the web. Using JQuery load to include an HTML file In this section, we shall check how to use JQuery’s load method to include an HTML file. Users can follow the syntax below to use this method. Syntax $(wrapper).load(htmlfile); The wrapper appends the new HTML file that jQuery loads. Parameters wrapper − ID of the DOM element that includes ... Read More
To get the nth row in a Pandas DataFrame, we can use the iloc() method. For example, df.iloc[4] will return the 5th row because row numbers start from 0.StepsMake two-dimensional, size-mutable, potentially heterogeneous tabular data, df.Print input DataFrame, df.Initialize a variable nth_row.Use iloc() method to get nth row.Print the returned DataFrame.Exampleimport pandas as pd df = pd.DataFrame( dict( name=['John', 'Jacob', 'Tom', 'Tim', 'Ally'], marks=[89, 23, 100, 56, 90], subjects=["Math", "Physics", "Chemistry", "Biology", "English"] ) ) ... Read More