- Introduction
What is Flask? Flask is a web development framework. It provides a lot libraries for building lightweight web applications in python. Flask is considered by many as a micro-framework due to the fact that it only provides the essential components – things like routing, request handling, sessions,…
- Elasticsearch Filter
The goal of filters is to reduce the number of documents that have to be examined by the query. Queries have to not only find matching documents, but also calculate how relevant each document is, which typically makes queries heavier than filters. Also, query results are not cachable. Filter is…
- Linux Screen
Imagine having to execute a long running process and waiting for it to finish, most likely you are connected via ssh and you can’t do anything else but waiting for that process to finish. When the process is taking too long your connection will time out and you will be kicked out. When that happens…
- MySQL Run Query in Production
When running queries in your production environment, you have to be careful so you don’t bring it down or make a mistake that will cause your environment to act abnormally. Here are some things you need to be careful about: Run query with READ UNCOMMITTED option The MySQL READ UNCOMMITTED, also…
- Java – CompletableFuture
1. What is CompletableFuture? Imagine ordering food at a restaurant. You walk up to the counter, place your order, and the cashier hands you a buzzer. That buzzer is a promise: “Your food will be ready at some point. Go sit down, check your phone, chat with friends — when it’s done, the buzzer will…