A backend application to manage daily expenses using Python and MongoDB. Supports CRUD operations, monthly summaries, category-wise reports, and secure transaction storage. Designed with a focus on ...

Abstract: Recently, sparse arrays such as nested array and coprime array have attracted much attention in the field of array signal processing. In this letter, we develop a symmetric coprime array ...

A high-severity security flaw has been disclosed in MongoDB that could allow unauthenticated users to read uninitialized heap memory. The vulnerability, tracked as CVE-2025-14847 (CVSS score: 8.7), ...

A young computer scientist and two colleagues show that searches within data structures called hash tables can be much faster than previously deemed possible. Sometime in the fall of 2021, Andrew ...

Python is convenient and flexible, yet notably slower than other languages for raw computational speed. The Python ecosystem has compensated with tools that make crunching numbers at scale in Python ...

In the last Mongo Matters column, we looked at MongoDB’s new SQL interface for querying data in MongoDB Atlas. Almost all of the “NoSQL” databases today support some form of SQL interface in order to ...