Материалы по теме 'postgres' | DevsDay.ru

IT-блоги Материалы по теме 'postgres'

IT-блоги Материалы по теме 'postgres'

Разработка dev.to 27 ноября 2021 г. 17:46

Aggregate functions are mathematical computations that return a single value from a range of values which expresses the significance of the aggregated data. They are used to derive descriptive statistics and provide key numbers in different sectors l...... читать далее

postgres sql datascience database

Разработка dev.to 25 ноября 2021 г. 22:55

I’ve become a huge fan of the Clean Architecture pattern when working on .NET API’s. I won’t go into a ton of detail here, as there are a lot of great resources out there on the subject already, including from the person that I first learned it from,...... читать далее

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Разработка dev.to 25 ноября 2021 г. 19:57

The flask, gunicorn, nginx, stack is a powerfull toolchain.There are many tutorial about how to dockerizing it, but it is different. We will do it from a distroless way, with a security concern point of view. Table of Contents 1-Distrole...... читать далее

docker flask gunicorn

Разработка dev.to 25 ноября 2021 г. 19:08

If you were building an application consisting of a user interface and an API, what technology choices would you make and why? I'll go first. 1. TypeScript I'd choose TypeScript because it's worth it. If you haven't used TypeScript before, you may...... читать далее

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Разработка dev.to 25 ноября 2021 г. 3:23

Table of contents Introduction Persisting database information with a mounted volume Dumping and restoring database information Introduction Have you ever lose database information using a PostgreSQL docker container? We all know that...... читать далее

docker dockercompose tutorial postgres

Разработка dev.to 21 ноября 2021 г. 21:33

In this tutorial, we are going to walk through an example of how to create a Restful API with Golang. We are going to cover the initial setup of the application, how to structure your app, how to handle persistence, docker config, HTTP requests and e...... читать далее

go postgres docker debug

Разработка dev.to 21 ноября 2021 г. 6:46

Run the following commands to install the main dependencies: $ sudo apt-get update $ sudo apt install git python3-pip build-essential wget python3-dev python3-venv python3-wheel libxslt-dev libzip-dev libldap2-dev libsasl2-dev python3-setuptools...... читать далее

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Разработка dev.to 21 ноября 2021 г. 6:19

Over the last 3 months, I have taken on two different migrations that involved taking companies from manually managing Airflow VMs to going over to using Cloud Composer and MWAA (Managed Workflows For Apache Airflow). These are two great options whe...... читать далее

cloud aws python datascience

Разработка dev.to 20 ноября 2021 г. 15:27

This post shows how to create workflows that package Java application with Maven and then store it as an artifact or publish to GitHub Packages. In the previous post we described GitHub Actions and how they work, so if you need a quick reminder on t...... читать далее

java maven github devops

Разработка dev.to 19 ноября 2021 г. 19:46

Original Source: https://shipyard.build/blog/docker-compose-portability-from-the-start/ Docker has quickly become an essential platform for application containerization. By empowering developers to rapidly deploy apps and host them in the cloud, Doc...... читать далее

programming devops docker tutorial

Разработка dev.to 19 ноября 2021 г. 15:28

Writing here for sharing and also for my personal reference as I have very poor memory on and tend to forget some commands. For windows users, you can download WSL (Windows Subsystem for Linux) on powershell. WSL lets developers run a Linux environm...... читать далее

Разработка dev.to 19 ноября 2021 г. 14:39

Welcome back on the Docker and AWS series by TinyStacks In this Article, we will create a simple CRUD API using a Flask Application , Docker, Postgres Video Version: Steps: Create a folder Create requirements.txt Create app (~50 loc) Create Do...... читать далее

python docker postgres programming

Разработка dev.to 19 ноября 2021 г. 10:21

Introduction If you've ever used SQL, you probably know that UNIONs can be quite confusing at first. In this quick post we are going to learn what the difference between UNION and UNION ALL is! Difference between UNION and UNION ALL The...... читать далее

database sql mysql postgres

Разработка dev.to 19 ноября 2021 г. 2:19

Introduction Organizations collect and analyze increasing amounts of data to make better decisions as quickly as changes occur. Traditional on-premises solutions for data storage, data management, and analytics can no longer keep pace. Data siloe...... читать далее

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Разработка dev.to 18 ноября 2021 г. 9:50

DEV handy tools for newbie Coding, hosting - Glitch After it was launched in 2017, Glitch has let everyone write and change codes and then issue bots, network apps, and other outlines that it would host for free. But with its pro's there were cons...... читать далее

devhandytools beginners programming tutorial

Разработка dev.to 18 ноября 2021 г. 1:41

In our last post, we built a synchronous API that validates and analyzes a chess position. We noted that performing a CPU intensive task synchronously in the web server seems like a bad idea. In this post, we'll turn that synchronous API into an asy...... читать далее

beginners webdev python programming

Разработка dev.to 17 ноября 2021 г. 20:03

About This Article This article is a short note of some of the essential Docker commands that I think are useful for beginners. Tip: I have created this short note while following the tutorial. I invite you to follow this Docker Tutorial for Begin...... читать далее

docker devops webdev beginners

Разработка dev.to 17 ноября 2021 г. 1:06

What is this? This is a technical guide for doing common management tasks with a Postgres database running in Docker. Why make this? As a quick reference for taking db backups and restoring databases. Steps Run The...... читать далее

web docker postgres

Разработка dev.to 15 ноября 2021 г. 18:24

In IT, like in math, a negative test can prove that an assertion is wrong. But a positive test doesn't prove that the assertion is right. It is worse in IT because the algorithm may show an apparently correct result with a probablilty that is higher...... читать далее

postgres yugabytedb sql database

Разработка dev.to 15 ноября 2021 г. 15:49

PostgreSQL monitoring with Prometheus is an easy thing to do thanks to the PostgreSQL Exporter. PostgreSQL is an open-source relational database with a powerful community behind it. It’s very popular due to its strong stability and powerful data typ...... читать далее