8 posts
In the previous articles of Python decorator series we learnt to create a simple function based decorator, how it works under the hood and how to fix the doc strings. In this article, we will learn to create a class based decorator and use it to dec...
In the previous article Python decorators 101 we learnt, how to create a simple function based decorator and how it works under the hood. In this article, we will improve the traceability and the readability of the decorator function. Let's add some...
This article is part of python decorator series. In this article, we will learn what is decorator and how it works and how to implement a simple decorator function. Decorator In Python, decorators are the functions that can change the behavior of o...
What is Technical debt? Technical debt is an implied cost of additional rework caused by choosing an easier inefficient solution at the moment over a better approach that would take longer time to implement. Technical debt increases over time for va...
Imagine you have one million record in a table, and you need to display them in a web page. Would you fetch 1 million records in a one shot and send it through an API? Probably not. Offset based pagination is one of the most common technique for fetc...
Imagine you have one million records in a table and you have to display them in a web page. Would you fetch 1 million records in a one shot and send it through an API? Probably not. Offset based pagination is one of the most common technique for fetc...
VACUUM in postgres in a garbage collection utility which is used to reclaim storage space occupied by the records that are stale due to update or delete operations. Whenever a row is deleted or updated, the old row becomes invisible to all other tra...
Lets create an employee table with id, name and salary columns and load some data, Create a dummy table CREATE TABLE public.employee ( id int8 NOT NULL, name varchar(120) NOT NULL, salary int8 NOT NULL, CONSTRAINT emp_pk PRIMARY KEY (...