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How to Find Ruby Code Smells with Reek

Your Ruby code smells. And it’s okay — mine does, too! Maybe it has some long methods with too many parameters, a few classes that try to do too much, an uncommunicative name here or there. No codebase is perfect, but it’s worthwhile to be aware of its deficiencies and refactorings that could improve the state of things — so ...

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How to find a path to mastery as a software developer

Planning out a software development career is hard at all stages of the game. There is no well-defined path to mastery for a developer, unlike other fields like medicine or law where you must get a precise degree with clear specialties. It can be terrifying since you’re never sure if you’re going in the right direction. Many people go to ...

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You’re not learning too slowly

Learning a new framework or language always feels slow and sluggish at first. I’m working on learning Ruby on Rails right know after a year or two of not learning a new framework and I had also forgotten the feeling. At first, I stumbled at every step on the way and nothing was familiar even if I’ve been programming for ...

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jQuery Siblings Example

The aim of this example is to go through the .siblings() method of jQuery. Basically, the siblings() method returns all sibling elements of the selected element. Just for your understanding, sibling elements are elements that share the same parent. This method traverse forward and backwards along siblings of DOM elements. In a more strict definition, given a jQuery object that ...

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WordPress get_permalink Example

While working on your WordPress theme or plugin, you might need to get the current posts permalink. Below, you will learn how to do that, and why not also getting another post’s permalink while we’re at it? Let’s find out how!           Definition and Syntax The get_permalink() function makes it possible for you to retrieve the ...

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jQuery Mousewheel Plugin Example

The aim of this example is to use the Mousewheel Plugin, a jQuery plugin that adds cross-browser mouse wheel support with delta normalization. Mouse Wheel is a lightweight plugin that has been used for many years in a wide variety of jQuery plugins, websites and web applications. In order to use the plugin, simply bind the mousewheel event to an ...

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Debugging a Memory Leak on Heroku

This is one of the most frequent questions I’m asked by Heroku Ruby customers: “How do I debug a memory leak?” Memory is important. If you don’t have enough of it, you’ll end up using swap memory and really slowing down your site. So what do you do when you think you’ve got a memory leak? What you’re most likely ...

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Your Preproduction Checklist for Your Rails App

Before we dive in to this extended preproduction checklist for a Rails app, you might ask, “Aren’t Brakeman and ongoing pull request reviews enough?” Sure, SQL injection problems might be found with automatic tools, which is great. They’re getting better all the time. But they still may miss some problems. For example, they can’t find vulnerabilities in the application logic. ...

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jQuery onChange Event Example

The aim of this example is to go through the change() method of jQuery. What this method does is, basically, bind an event handler to the “change” JavaScript event, or trigger that event on an element. The change event occurs when the value of an element has been changed (only works on input, textarea and select elements). For select boxes, ...

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