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The main problem with docker on debugging has to do with images that already have the CMD command specified. If something goes wrong and has to do with the filesystem, or some commands that should have taken effect and they did not you need to do some troubleshooting. Overriding the command which is executed should be helpful. I do this ...

With the advent of cloud computing, the dynamics of developing web applications has changed astronomically. This transition has not been an easy journey.  Developers who were before comfortable with deploying to one server, now had to tackle multiple servers and the distribution of load. They also had to take into consideration the combination of different files with each other—and with ...

I use docker compose every day for my local development needs. During the day I might turn on/off various databases or servers thus I need to do it fast and in a managed way. Usually your docker-compose files contains the configuration for many containers, network, volumes etc. stack.yaml 01 02 03 04 05 06 07 08 09 10 11 12 ...

The zip() function in Python programming is a built-in standard function that takes multiple iterables or containers as parameters. An iterable in Python is an object that can be iterated or stepped through like a collection. The zip() function is used to map the same indexes of more than one iterable. Mapping these indexes will generate a zip object How ...

Welcome to the second of four Ruby on Rails Developer Series. In this series, the goal is to outline how to strengthen your API with Postgres, how to dockerize your project and add security layers to mitigate attacks to your application. In this article, we’ll cycle through strengthening our API-based application that uses the JSON API from Active Model Serializer. ...

Welcome to the first of four Ruby on Rails Developer Series. In this series, the goal is to outline how to strengthen your API with Postgres, how to dockerize your project and add security layers to mitigate attacks to your application. In this article, we’ll cycle through building a quick API-only application uses the JSON API from Active Model Serializer. ...

I wrote some time ago about thread-safety in OOP and how it can be achieved with decorators. It was also said that it’s very important to make sure objects are thread-safe (in Ruby and in Java), especially in web apps, which are multi-threaded (well, in most cases anyway). Well, here is SyncEm, a primitive Ruby gem which makes the above ...

With every passing year, the number of apps being downloaded is increasing rapidly. In 2018, approximately 205 billion apps were downloaded. This is why software and app development are becoming lucrative career options. However, app development isn’t exactly a piece of cake. Instead, it is marked by a variety of complicated decisions. As an app developer, your ability to make ...

Previously I have posted about consuming web services in Oracle JET using jQuery method and using Oracle JET Common Model. I have seen Oracle JET Common Model Factory method in one of the blog and in MOOC course so tried same but because of some version change or problem it was not working as expected but I got a solution in OTN JET forum and sharing same here ...