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Dare I broach the topic of the Vim vs Emacs holy war? I’ve tried both editors, but ultimately Vim stole my heart and, in doing so, turned my life into hell. It’s such a pleasure to use; nothing else compares to it. Suddenly, I hate typing with any application that doesn’t use the HJKL keys to move the cursor, and I find myself becoming frustrated whenever I need to use the mouse! So what changes can I implement to ease my pain and make my life easier, you ask?
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Tests are obligatory in every production app. In Ember apps, the distinction between tests is similar to any other Rails application, but the use cases for them are frequently misunderstood. Let me give a quick summary of what your test suite should look like based on my experience with a huge app, which spent over a year under constant development.
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Have you ever been frustrated by needing to click “refresh” when working with your code? Or maybe compiling assets takes too long so that you have to wait a couple of seconds to see the result of a small change? If you answered yes to either of these questions - I’m sure that this tutorial is for you.
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This post explains how to use Ruby Sequel and Active Record depending on the complexity of your SQL queries. A real lifesaver when you work with loads of databases!
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Every day, we tackle problems more complex than those we’ve previously solved. In this blog post, I would like to extend concepts previously discussed in my previous post - problem solving with a mathematical approach.
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You develop an application, it starts growing, but at the same time your expanding userbase might slow the app down. So what can you do about it? Well, it’s time for load testing! I'll focus on the one of the easiest tools - Apache Bench.
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Once your app becomes popular enough, you may want to consider moving your assets from internal servers to the cloud. Amazon Web Services (AWS) is one of the most popular options, but a lot of owners fail to utilize its full capacity. Here's how to optimize your Amazon servers and get the most of it.
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If you could buy time in bulk, you probably would. Well, here's a fast way to do just that. Take a look at the top picks in newsletters for: web and mobile development, front-end development and web design. Grab a few and give them a try!
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JavaScript is a very popular programming language used in lots of projects, also those in Ruby on Rails. It's a good idea to get to know both od these. Whether you are an experienced web developer or just getting your feet wet in the wonderful "ocean" of web development and programming, these handy resources can help you improve your skills in JavaScript and hopefully teach you a few new tricks along the way.
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SQL: Query Result Model Part 2

Are you using SQL while coding in Ruby on Rails? I could even say I think in SQL! This is why I wanted to share a few tips and tricks that will help you work with query result models.
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