Explanation about Dijkstra's algorithm
Learn about heap data structure and how priority queue is implemented with heap.
https://www.youtube.com/watch?v=SoBDqeRRpLk This is a workshop organized by "Software University" / aka SoftUni / (Sofia, Bulgaria) which took place on 21-st of Jan, 2021. The content which I covered here is about some good practices for software developers, a time management technique, the root OOP principles, SOLID, Composition over Inheritance, Design Patterns and Software Architecture Patterns … Continue reading Workshop: Principles, practices and professionalism in software development (in Bulgarian)
BehaviorSubject example The BehaviorSubject is one of the 4 variants of RxJS Subjects ("a special type of Observable which shares a single execution path among observers"). The BehaviorSubject keeps the last emitted value from the observable object and can be returned to the subscribers. One useful usage of it is to be populated with the … Continue reading Add and update values in BehaviorSubject (Angular)
Photo by Justin Little on Unsplash Recently I experienced a situation where one of the apps I am working on stopped working.There were no new deployments to the server, nor configuration or database-related changes. The symptoms When requesting the web site immediately receive - 500 internal server error. The problem OK, HTTP error code 500 … Continue reading HTTP 500… with no app logs