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jQuery File Upload Example

The aim of this example is to give you the right knowledge about how you can achieve file upload with jQuery. Notice that this is not an easy task, and plugins are recommended to have non-surprising results. In particular, there is one famous and very used jQuery Plugin for file upload made public to GitHub by blueimp. They created a ...

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Developing Front-End Microservices With Polymer Web Components And Test-Driven Development (Part 5/5): Using Microservices

In the previous article we built two Web Components (tc-book-form and tc-books), learned how to change their style through properties, how to control them through exposed functions as well as how to connect them using custom events. We developed most of the code using Test-Driven Development approach. Both front-end Web Components and back-end server are packed into a single microservice ...

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jQuery Drag and Drop Example

The aim of this example is to explain and use drag and drop functionality with jQuery. Basically, in jQuery you can enable draggable functionality on any DOM element and move the draggable object by clicking on it with the mouse and dragging it anywhere within the viewport. Dragging and dropping can be a very intuitive way for users to interact ...

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Neo4j: Loading JSON documents with Cypher

One of the most commonly asked questions I get asked is how to load JSON documents into Neo4j and although Cypher doesn’t have a ‘LOAD JSON’ command we can still get JSON data into the graph. Michael shows how to do this from various languages in this blog post and I recently wanted to load a JSON document that I ...

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jQuery UI Autocomplete Example

In this example, we’re going through a very useful widget of jQuery, autocomplete(). Autocomplete enables users to quickly find and select from a pre-populated list of values as they type, leveraging searching and filtering. Any field that can receive input can be converted into an Autocomplete, namely, <input> elements, <textarea> elements, and elements with the contenteditable attribute. By giving an ...

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jQuery CSS Background Image Example

In this example, we’ll learn how to use jQuery to add CSS properties to HTML elements and specifically how to add backgrounds like colors or images using the .css() method. The .css() method is a convenient way to get a computed style property from the first matched element, especially in light of the different ways browsers access most of those ...

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jQuery Disable Button Example

The aim of this example is to show you how to enable/disable a button using the famous jQuery library of Javascript. This is a pretty simple task but very useful on certain cases like when you want to submit a form and disable the button that did so, or just because a button is part of a conditional statement and ...

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Improving Shipscope Performance with WebSockets

Nearly a year ago, we released Shipscope, a Chrome extension for monitoring your projects on Codeship. We’ve received some really good feedback from our users, and I want to share some of that insight in this post. In order to provide frequent status updates, Shipscope requested project status from our API server every 10 seconds. Multiply this by a rapidly ...

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Python: Extracting Excel spreadsheet into CSV files

I’ve been playing around with the Road Safety open data set and the download comes with several CSV files and an excel spreadsheet containing the legend. There are 45 sheets in total and each of them looks like this: I wanted to create a CSV file for each sheet so that I can import the data set into Neo4j using ...

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