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The list is one of the most versatile, mutable data-structures in Python. It can store heterogeneous data or different types of data. The list contains comma-separated values (item) within the square brackets. Creating a list in Python is simple as …
DBMS Generalization Generalization is a bottom-up approach in which the common attributes of two or more lower-level entities combines to form a new higher-level entity. In generalization, the generalized entity of higher level can also combine with entities of the lower-level …
Read moreDBMS Generalization, Specialization, and Aggregation
Java ArrayList Class A Java ArrayList class is a dynamic array which is used to store the elements. It is a part of collection framework. It implements the List Interface and inherits the AbstractList class. The benefit of using ArrayList …
Theory of First-order Logic First-order logic is also called Predicate logic and First-order predicate calculus (FOPL). It is a formal representation of logic in the form of quantifiers. In predicate logic, the input is taken as an entity, and the …
Python Keywords Keywords are the reserved words that have special meanings to the compiler. They cannot be used as a variable. Keywords are the part of the syntax, for example:
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return (a+b) |
Here return is a keyword, whereas, a and b …
In this inheritance strategy, mapping of the child class fields is done with the common fields of the parent class in a separate table. In other words, the common entities between the child classes and the parent class are mapped …
In this inheritance strategy, table per class is generated. It means a separate table is generated for each POJO class involved in the hierarchy. Unlike the SINGLE_TABLE strategy, there are no nullable values present in the tables. So, to overcome …
Python if statement Decision making is an essential feature of any programming languages. Condition checking is the strength of decision making. Python provides many decision-making statements, such as: If statement If-else statement elif statement if statement The if statement is …
Python elif The elif statement is used to check multiple conditions and execute the specific block of statements depending upon the true condition among them. Syntax
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if expression1: statement elif expression2: statement elif expression3: statement else: statement |
The elif statement can be optional such as else. When the if expression …
Python for loop A for loop in Python executes a block of code for a specified number of times, based on a given sequence. The for loop in Python is different than any other programming language like C or Pascal. …
Python Installation guide Step by Step Python is widely used high-level programming language. The first version of Python was launched in 1991. Since then, Python has been gaining popularity. It is considered as one of the most user-friendly and flexible …
Loops are essential in Python or any other programming language, as they help to execute a block of code repetitively. Sometimes, situations arise where you would need to use a piece of code again and again, but you don’t want …
Python is a powerful, easy to learn, popular programming language. It has effective data structures and its elegant syntax makes it user-friendly language. Below are the key features of Python: Python is Easy When we say Python is ‘easy,’ we …
Python is a high-level, easy, interpreted, general-purpose, and dynamic programming language. It supports object-oriented programming approach. It is straight forward to learn, and its elegant syntax allows programmers to express concepts in fewer lines of code as compared to other …
Introduction Validation is an important concept to get a correct output as the user gives the input to web form must be in proper format then only the server will result in meaningful output. Data entered by the user must …
ASP.NET WEB FORMS WITH EXAMPLE Introduction The Web Forms classification comes under the ASP.NET web application framework. The Web Forms is one of the programming models that you can use to create interactive ASP.NET web applications. The other models are …
Introduction: The Blade is a PHP Templating Engine. It grabs the PHP code and makes it easy for us to implement in HTML. The Blade is a simple, and powerful Templating Engine provided by Laravel. Like any other popular PHP …
Display data that is passed to our Blade views by enclosing the variable in curly braces. The following route is given below: Route::get(‘greeting’, function () { return view(‘welcome’, [‘name’ => ‘rafia’]); }); We display the contents of the name variable …
Blade also provides convenient shortcuts for common control structure in PHP, such as conditional statements and loops. These shortcuts provide a very clean working with PHP structures, while also remain familiar to its PHP counterparts. If Statements We construct if …
We can get errors in Angular because of many causes. Let’s see an example to see some specific types of errors. We have to create an app with the name “testing-app.” In this app, we have a server and a …