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Introduction to Graph Databases – Step by Step Guide

September 19, 2014 / / 0 Comments

Table of Contents Felienne is an Assistant Professor in the Software Engineering Research Group at Delft University of Technology. 1 Introduction Neo4J is a graph database, a database aimed at storing and querying graphs rather than tables. Many things in modern life are ‘graphy’: social network data is a well-known example, where the emphasis lies more on who is connected with who and what than on the data itself, like your name and address. I recently migrated my spreadsheet analysis tool from SQL Server to Neo4J. It was 1) healthy for my brain to work with a new type of database, 2) fun, and 3) queries turned out to be a lot more intuitive and efficient. In this post I will explain what that entailed …

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Introduction to Graph Databases – Step by Step Guide

Tim Cook Ripped Apart Google’s Business Model In Two Paragraphs

September 19, 2014 / / 0 Comments

Justin Sullivan, Getty ImagesApple CEO Tim Cook. Apple CEO Tim Cook wrote an open letter to customers Wednesday detailing the company’s privacy policy. One portion of the letter sticks out in particular, and it’s a clear jab at the way Google does business. Cook writes that many internet services are free but use your personal data to market products to you. “You are the product,” Cook writes. That’s how Google operates. Its algorithms scan your email, web searches, etc. to show you relevant ads. Facebook has a similar model. Here’s the key part of the letter: A few years ago, users of Internet services began to realize that when an online service is free, you’re not the customer. You’re the product. But at Apple…

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Tim Cook Ripped Apart Google’s Business Model In Two Paragraphs

9 Most Useful .htaccess Tricks for WordPress

September 15, 2014 / / 0 Comments

Many WordPress users come across .htaccess file when fixing their permalinks. However you can do so much more. The .htaccess file is a powerful configuration file that allows you to improve your site’s security and performance. In this article, we will show you 9 most useful .htaccess tricks for WordPress that you can try on your site right away. Getting Started Before you make any changes, you need to backup your existing .htaccess file. Connect to your website using an FTP client and simply download the .htaccess file to your computer. If something goes wrong, then you can upload the backup file. If you cannot see the .htaccess file, then make sure your FTP client is configured to show hidden files. Read our guide on why you …

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9 Most Useful .htaccess Tricks for WordPress

How to Add Custom Code to Your WordPress Site (It’s Easier Than You Think!)

September 15, 2014 / / 0 Comments

Writing PHP, CSS, and HTML5 to modify a WordPress site can get pretty frustrating, but a good guide can make it easier. This is not that guide. This is just about how to add the code to your site once it’s already done. Don’t worry, though – that’s just as important. As there are quite a few ways to go about it, it helps to know the differences between the various options. But first, two warnings: Before you modify anything, back it up. In fact, keep backing up your work throughout the process. It also helps to have a separate file to paste discarded or soon-to-be-used code snippets into. If you installed someone else’s theme, never add code to your …

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How to Add Custom Code to Your WordPress Site (It’s Easier Than You Think!)

Why is everybody using Facebook, is it good marketing or good usability?

September 15, 2014 / / 0 Comments

People use products because they are perceived to have a positive cost-benefit tradeoff in the user experience. Usability –making a product easy to use –lowers the cost but is not itself a UX benefit. User will put up with low usability and other costs like loss of privacy and annoying advertisements if they think the benefits are worth it. Marketing (by which I think you mean promoting a product) is not itself a cost or benefit for the user, but are attempts by the product-maker to influence the perceived costs and benefits. That’s important to do, but not the only thing. Desirability Facebook is one of those products that succeeds because of its own success. Desirabilty –the degree the product reflects …

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Why is everybody using Facebook, is it good marketing or good usability?

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