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Running Services within a Docker Swarm

When Docker released its latest version, Docker Engine v1.12, it included quite a few changes to the capabilities provided by Docker Swarm. In today’s article, we’ll be exploring how to deploy a service using Docker’s Swarm Mode. Activating Swarm Mode on Ubuntu 16.04 Before we can deploy a service on a Docker Engine Swarm, we will first need to set ...

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The Need for Speed in Web Applications

Often, web applications are slower than we would like them to be. Companies like Google and Facebook have in-house solutions for speeding up their applications. There is a need for a third-party tool that we developers can use to achieve something similar, without needing to spend hours to optimize the code and the database. The last couple of months, I ...

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PHP Send Email Example

E-mail(electronic mail) has become an integral part of the internet. Approximately all tech savy people have an email address. If you have a facebook account, you sure have registered it with an email address. E-mails are simply messages that can contain text, attachments and they are sent through a computer network to individuals or groups of individuals. In this example ...

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Instance-Level Properties in Python

Making Descriptors that act as specialized properties can be tricky, especially when it comes to storing the data the property controls. I should know, I literally wrote the book. Looking at how other languages do it – especially Kotlin’s Delegated Properties – I felt that Python could use a system that works more like that. Delegated Properties are simply objects ...

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PHP Checkbox Example

Checkboxes are those HTML elements that behave like toggle switches. So, unlike the radio buttons, checkboxes do not enforce to select an option from a group of options; we can select as much as we want. In this example, we will see how to deal with these checkboxes in PHP. For this example, we will use: Linux Mint (17.03) as ...

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Demystifying Continuous Integration, Delivery, and Deployment

For some, the practice of continuous integration (CI) and continuous delivery/deployment (CD) is part of daily life and comes as second nature. However, as I learned while attending a couple of conferences recently, there are still many who aren’t utilizing any form of automated testing, let alone CI/CD. Those not already practicing CI/CD expressed the desire to but either didn’t ...

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Documenting APIs when Preferences Matter

I sat down to write a “Document APIs with Open API and JSON Schema” article. That’s still quite possible, of course, and there’s lots of great resources to help you do just that. However, my head’s been ironing out the wrinkles in the Web Annotation Protocol for the last few weeks, and I really wanted to see how the current ...

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Angular.js App Structure

There are thousands and more developers working daily on apps, regardless of their being web, desktop or mobile applications and independently of the technologies used in them. A very big number of these apps launched daily are built with AngularJS, and they can be of different sizes: very small, small, medium or large scale apps. Keeping in mind the size ...

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