### Introduction — If you are not already fed up with repeating the same mundane tasks to update your application servers to get your project online, you probably will be eventually The joy you feel whilst developing your project tends to take a usual hit when it comes to the boring bits of system administration (e.g. uploading your codebase, amending configurations, executing commands over and over again, etc.) But do not fear! Capistrano, the task-automation-tool, is here to help. In this DigitalOcean article, we are going create a rock-solid server setup, running the latest version of CentOS to host Ruby-on-Rails applications using Nginx and Passenger. We will continue with learning how to automate the process of deployments – and updates – using the Ruby based automation tool Capistrano. **Note:** This article builds on the knowledge from our past Capistrano article: [Automating Deployments With Capistrano: Getting Started](https://www.digitalocean.com/community/articles/how-to-use-capistrano-to-automate-deployments-getting-started). In order to gain a good knowledge of the tool, which is highly recommended if you are going to use it, you are advised to read it before continuing with this piece. Likewise, if you would like to learn more about preparing a fresh droplet for Rails based application deployments with Passenger (and Nginx), check out the [How To Deploy Rails Apps Using Passenger With Nginx](https://www.digitalocean.com/community/articles/how-to-deploy-rails-apps-using-passenger-with-nginx-on-centos-6-5) article. **Note:** Capistrano relies on Git for deployments. To learn more consider reading DigitalOcean community articles on the subject by clicking [here](https://www.digitalocean.com/community/community_tags/git). ## Glossary — ### 1. Preparing The Deployment Server — 1. Updating And Preparing The Operating System 2. Setting Up Ruby Environment and Rails 3. Downloading And Installing App. & HTTP Servers 4. Creating The...
Single Responsibility and Open-Closed Principle Single responsibility means, each class should only do one thing. One of the reasons why each class should have single responsibility is because a class can be changed by more than one member of the group for different reasons. If a class has many responsibilities, the more often the class will be modified then. This can cause module incompatibility and the possibility of conflicts when the code is merged will also be higher. Secondly, open-closed principle means, we should make our class open to extension and closed to modification. In other words, if we want to add functionality, we just need to add new lines of code without interfering the existing code. The goal is the same with the previous principle, which is to minimize the risk of generating errors from editing existing code. Those principles are two of five of the well-known object-oriented programming principles called SOLID principles: Single responsibility, Open-closed, Liskov substitution, Interface segregation, and Dependency inversion. For more details on the other principles, you can search the internet for yourself. More Files, More Commits Working in a team is closely related to using a version control system like Git. One thing that complicates the work the most is the existence of conflicts in certain files caused by different versions of changes from different team members. A possible solution is to create separate files for each different class (or function related to each other). This aims to minimize the possibility of conflicts in files that are being edited by more than one programmer at the same time. Imagine if there is a...
Hello friends, welcome back to my blog. Today in this blog post, I am going to tell you, Reactjs Building Ecommerce Site Pricing Page from Scratch. Reactjs Pricing Page For reactjs new comers, please check the below link: Reactjs Basic Tutorials Friends now I proceed onwards and here is the working code snippet for Reactjs Building Ecommerce Site Pricing Page from Scratch and please use this carefully to avoid the mistakes: 1. Firstly friends we need fresh reactjs setup and for that we need to run below commands into our terminal and also w should have latest node version installed on our system: npx create-react-app reactproject cd reactproject npm start // run the project 2. Now we need to run below commands to get bootstrap(for good layout) module into our react js app: npm install bootstrap --save npm start 3. Now friends we need to add below code into our src/App.js file to get final output on web browser: import React from 'react'; import './App.css'; //bootstrap import 'bootstrap/dist/css/bootstrap.min.css'; class App extends React.Component { render() { return ( <div className="maincontainer"> <div class="d-flex flex-column flex-md-row align-items-center p-3 px-md-4 mb-3 bg-white border-bottom box-shadow"> <h5 class="my-0 mr-md-auto font-weight-normal">Therichpost</h5> <nav class="my-2 my-md-0 mr-md-3"> <a class="p-2 text-dark" href="#">Features</a> <a class="p-2 text-dark" href="#">Enterprise</a> <a class="p-2 text-dark" href="#">Support</a> <a class="p-2 text-dark" href="#">Pricing</a> </nav> <a class="btn btn-outline-primary" href="#">Sign up</a> </div> <div class="pricing-header px-3 py-3 pt-md-5 pb-md-4 mx-auto text-center"> <h1 class="display-4">Pricing</h1> <p class="lead">Pricing table for your potential customers.</p> </div> <div class="container"> <div class="card-deck mb-3 text-center"> <div class="card mb-4 box-shadow"> <div class="card-header"> <h4 class="my-0 font-weight-normal">Free</h4> </div> <div class="card-body"> <h1 class="card-title pricing-card-title">$0 <small class="text-muted">/ mo</small></h1> <ul class="list-unstyled mt-3 mb-4"> <li>10 users...
Over the last decade or so, mobile app development has seen a continuous influx of new ideas that has given rise to multiple opportunities and possibilities. Different technologies and frameworks have peaked at various times and have seen extensive acceptance for multiple reasons, which have then been replaced by other better technologies overnight – such is the pace at which this field has soared. Developers are constantly on the lookout for the latest tools and frameworks that can enable them to create robust solutions to everyday problems. Flutter, developed and introduced to the world of custom mobile app development by Google, has invariably found itself in the spotlight due to its ease of use and exceptional features. While the backing of a behemoth such as Google does have its advantages, the reasons for the popularity of Flutter – which is now usually the first choice for cross-platform app development – mainly revolve around providing the best features for , which previously required a lot of effort along with issues related to performance and maintenance. With the advent of Flutter, developers can now add native capabilities to cross platform applications more easily, while also providing multiple support options along with a remarkable ability to adapt to the constantly changing requirements of the custom mobile app development segment. Here we look at the top 5 reasons why Flutter is fast becoming an indispensable part of custom mobile application development: 1. Fast performing apps developed quickly One of the main reasons Flutter app development is becoming popular is that it is effective across platforms and speeds up the entire process of custom...
Kumar CPO SAN DIEGO (PRWEB) May 04, 2022 Prancer Inc, a visionary cloud cyber security SAAS provider, is excited to announce Kumar Chandramoulie as the company’s Chief Product officer. Kumar has held numerous executive leadership positions for the past 15 years, including Vice President of Cybersecurity at AmerisourceBergen, a Fortune #8 firm, Cybersecurity practice leader at Ernst & Young for North America, and Strategic advisory roles with several Fortune 100 companies assisting C-Suites in achieving a consistent security posture for their organization. “The idea of continuous cyber preparedness with test your own defense with offensive security strategy is critical to combat modern cloud breaches. Understanding threat intelligence rather than the idea of building silos will prove to be very effective in countering the cyber-attacks which are advanced and persistent. I’m ecstatic about directing Prancer to its mission of enabling enterprises to build attack-ready clouds through shift-left capabilities and establishing Prancer as the most effective cloud security provider.” Said Kumar “Kumar is among the very few cybersecurity executives with extensive experience in operating large-scale offensive security efforts such as cyber command centers, forensics laboratories, red teaming, and pentesting exercises for fortune 10 customers, as well as business acumen in growing several early-stage startups businesses in cybersecurity, crypto, and FinTech spanning across US, India, Brazil, Indonesia, Africa, and Canada. With Kumar, I look forward to driving cloud cybersecurity innovations to accelerate the growth and helping to realize Prancer’s mission even faster” stated Farshid Mahdavipour, CEO of Prancer. Prancer is a cloud security validation platform that allows for rapid cloud security validation at scale using shift-left methodologies, with the shortest path to...
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