How to Implement a Reversed Iterator in Python?
Introduction to the Reversed Iterator in Python A Python reverse iterator is a type of iterator that allows you to iterate through a sequence, such as a list or …
How to Describe a Table in Sqlite Database?
To describe a table in SQLite, you can use the following SQL command: PRAGMA table_info(table_name); Replace table_name with the name of the table you want to describe. This command …
Improve Multithreading Performance of Sqlite Database by WAL (Write Ahead Logging)
By Default, the SQLite locks the database when there are simutanenous reading and writing. SQlite stores data in a file. For example we can use the following command to …
Python Function to Find Available Ports within a Range
Finding available ports within a given range requires checking if a specific port can be bound to or not. If we can bind to it, it means it’s available. …
Teaching Kids Programming – Count Servers that Communicate (Hash Map – Counter)
September 3, 2023
algorithms, data structure, Hash Map / Hash Set, programming languages, python, Python, teaching kids programming, youtube video
No Comments
Teaching Kids Programming: Videos on Data Structures and Algorithms You are given a map of a server center, represented as a m * n integer matrix grid, where 1 …
How to Optimise SQL Queries? Quick Tips
SQL is the language to interact with databases, so we need to make them as fast as possible as the Database Operations may usually be expensive. Use indexes Indices …