In Python, creating a iterator is a bit tricky, we need to implement _iter_( ) and _next_( ) method to keep track of internal states and raise StopIteration when there is no value to be returned. So in such cases, Generators are used. What is Python Generators? Python generator is a special type of function …
Map, reduce and filter are paradigms of functional programming. These helps in writing simple, short codes without worrying about iterations like loops and branching. Functional Programming: A Programming paradigm that uses functions to define a computation is known as functional programming. One important feature is concept of unchangeable state. This works only on immutable data …
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Higher Order Functions: Higher Order Functions (HOFs) are functions that express complex concepts by combining simpler functions into a new function. It is a function that contains a function as parameter and returns another function as a result. Properties of Higher Order Functions: We can store a function inside a variable. A function can act …
Before knowing about running the Pyscript, first we need to know what is pyscript. I have written a separate article kindly check that one if you wish am leaving the link here. PyScript has three main components for writing python in HTML. py-env defines the Python packages needed to run your Python code. py-script is …
What is PyScript? PyScript is a framework that allows users to create Python applications in browser by using Python in standard HTML. PyScript aims to provide users first class programming language experience by providing consistent styling rules, more expressive and easier to learn. Anaconda’s CEO Peter Wang announced this new technology at PyCon US 2022. …
CRUD operations in SQL CRUD is an acronym that stands for Create, Read, Update and Delete. Each letter in acronym refers to all functions executed in a database and mapped to standard HTTP method, SQL statement. CRUD is data-oriented and standardized use of HTTP action methods. This consists of four basic operations which we …
What is a one liner? You can think of one liner code as a block or segment of code compressed in one line to perform the similar function. This one liner saves you a lot of time, memory and you can also trick your friends or fellow programmers. It also keeps your program simple, clean, …
In this article we will learn about database query, SQL commands and its types. Database Query: Database Query is a request for data from a database. Usually, the request is to retrieve or manipulate data in a database. In simple words query is a question. It is similar to performing some sort of CRUD (Create, …
In Python we have 4 built-in data structures which covers 80% of the real-world data structures. These are classified as non-primitive data structures because they store a collection of values in various format than a single value. Some can store data structures within data structures, creating depth and complexity. Built-in data structures are predefined data …
Let us understand the difference between delete truncate and drop table: Delete Truncate and Drop Table: Characteristics Delete Truncate Drop Command Type DML(Data Manipulation Language) DDL(Data Definition Language) DDL(Data Definition Language) Rollback transaction Can be rolled back Cannot be rolled back Cannot be rolled back Permanent delete Since it is DML does not remove records …