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Rami Khafagi

Eliminating N+1 Queries in Your Rails Application

Eliminating N+1 Queries in Your Rails Application

Introduction Our APIs were suffering from slow response time and this was affecting the user experience on our apps. One of those is an important API which is responsible for fetching products on sale. The problem was resulting from N+1 queries. In this post, we’ll explain what N+

Solving Memory Leaks Issues in Ionic Angular Part II

Solving Memory Leaks Issues in Ionic Angular Part II

Introduction One of our mobile apps used by tens of thousands of retailers in Egypt is suffering in performance, mainly in the SupplierProducts page which lists the products sold by a specific supplier. Most of the complaints indicate that the app performance degrades while navigating through multiple suppliers. And eventually,

Solving Memory Leaks Issues in Ionic Angular

Solving Memory Leaks Issues in Ionic Angular

Introduction -------------------------------------------------------------------------------- In this article, we will walk you through how to detect memory leaks in your web application and how to investigate the reasons behind those memory leaks and solve them using a real-world example. We will have a journey together to get from snapshot 1 to snapshot 2.