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Bootstrap Thumbnails Example

In this post we will learn about Bootstrap’s Thumbnail component through an example. This component enables us to layout images, videos etc. in a grid layout. A thumbnail is a reduced size version of the original image or video. To enable such layouts Bootstrap provides a set of CSS rules. The application we will build here will layout images on ...

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Python Regular Expression Tutorial

One of the most daunting tools at the beginning, but quite powerful if you master it, is regular expressions. They seem scary and hard to understand, but once you get used to them, you realize how powerful they are. So in this article, I will try to guide you through them, so they won’t seem complicated to you, especially if ...

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Bootstrap Calendar Example

Table Of Contents 1. Introduction 2. Tools 3. Project Layout 4. HTML Markup 5. JavaScript 5.1 Build the Markup of the Calendar 5.2 Update the Calendar 5.3 Allow Selection of Date 5.4 Navigate Dates for the Desired Month 5.5 Update/Populate the Selected Date 5.6 The Completed Calendar Control 6. Running the Example 7. Download the Source Code   1. Introduction ...

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Server Rendering React on Rails

React apps give us incredible power in the browser, and with the react_on_rails gem from the folks at ShakaCode, we now have an easy way to use React inside of our new and existing Rails apps. In a previous article, I talked about how to get up and running with React in your Rails app. In this article, we are ...

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Python Class Inheritance Example

Today we will be talking about OOP method of programming. The particular area of our interest would be Inheritance. Before we go any further, let’s talk about basic principles of programming. We know that there is an imperative method (when we use for and while loops), functional (when we operate with functions) or Object Oriented Programming (where we write code ...

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Graph Database Goodness with LevelGraph

Graph databases are one in a plethora of NoSQL databases now found in the wild. They’re unique among their sibling database types by having a unique internal data structure. Graph databases make the relationships within the data a first-class citizen on the same level as the data itself. Consequently, they are most popular in social networking, big data, and science ...

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Does Your DevOps Department Need More Attention? [Infographic]

Discover faster, more efficient performance monitoring with an enterprise APM product learning from your apps. Take the AppDynamics APM Guided Tour! There are some big red flags that signify your DevOps department needs an overhaul. Your deployment process seems to take forever. It only work from a few developers’ computers. It’s different for each server you deploy to. Sound familiar? ...

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How We Rolled Out Our Recent UI Changes

We recently released an updated UI, focusing on the most important pages within our application and laying the groundwork for future improvements. Ryan Wilke, senior product designer at Codeship, wrote about the design process, our thinking, and how we got to the initial release. Along with this design process, we also want to share how we handle complex feature rollouts ...

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Understanding Docker’s CMD and ENTRYPOINT Instructions

When creating a Docker container, the goal is generally that anyone could simply execute docker run <containername> and launch the container. In today’s article, we are going to explore two key Dockerfile instructions that enable us to do just that. Let’s explore the differences between the CMD and ENTRYPOINT instructions. On the surface, the CMD and ENTRYPOINT instructions look like ...

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