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Buggy Rails Code: The 10 Most Common Mistakes That Rails Developers Make

by Brian VanLoo

While Rails is easy to use, it is also not hard to misuse. This article looks at 10 common Rails pitfalls, including how to avoid them and the problems that they cause.

13 minute readContinue Reading

10 Most Common Web Security Vulnerabilities

by Gergely Kalman

For all too many companies, it's not until after a breach has occurred that security becomes a priority. An effective approach to IT security must, by definition, be proactive and defensive. This post focuses on 10 common and significant web-related IT security pitfalls to be aware of, including recommendations on how they can be avoided.

12 minute readContinue Reading

Your First AngularJS App Tutorial Part 2: Tools for Scaffolding, Building, and Testing

by Raoni Boaventura

In this follow-up to his first highly popular AngularJS tutorial, Toptal engineer Raoni Boaventura guides you through the steps of setting up your project, including scaffolding, dependency management, and preparing it for testing.

9 minute readContinue Reading

Polymer.js: The Future of Web Application Development?

by Alejandro Hernandez

A year after Google's launch of Polymer, Toptal engineer Alejandro Hernandez takes it out for a test drive to see if it's yet ready for prime time. This post explores the maturity and stability of Polymer.js as a foundation for large-scale application development. The results and conclusions from this analysis are provided, along with an introductory overview of the technology.

8 minute readContinue Reading

JavaScript Prototype Chains, Scope Chains, and Performance: What You Need to Know

by Diego Castorina

JavaScript is much more nuanced than most developers initially realize. Even for those with more experience, some of JavaScript's most salient features continue to be misunderstood and lead to confusion. One such feature, described in this article, is the way that property and variable lookups are performed and the resulting performance ramifications to be aware of.

11 minute readContinue Reading

Django, Flask, and Redis Tutorial: Web Application Session Management Between Python Frameworks

by Denis Kyorov

I love and use Django in lots of my personal and client projects, mostly for those involving relational databases and more classical web applications. However, by design, Django is very tightly coupled with its ORM, Template Engine System, and Settings object. Plus, it's not a new project: it carries a lot of baggage from the past to remain backwards compatible. In a few of my client projects, we've chosen to give up on Django and use a micro framework like Flask, typically when the client wants to do some interesting stuff with the framework. At the same time, we often need user registration, login, and more, all of which is easily handled with Django. The question emerged: is Django an all-or-nothing deal? Should we drop it completely from the project, or is there a way to combine some it with the flexibility of other frameworks?

9 minute readContinue Reading

Developing Mobile Web Applications: When, Why, and How

by Tomas Agrimbau

With the increasingly ubiquitous nature of mobile devices and applications, if you’re not already thinking about mobile apps, you probably should be. This post focuses on methodologies and tools to employ, and pitfalls to avoid, in the development of highly functional, intuitive, and easy-to-use mobile web apps.

13 minute readContinue Reading

A Guide to Building Your First Ember.js App

by Balint Erdi

As modern web applications do more and more on the client-side (the fact itself that we now refer to them as “web applications” as opposed to “web sites” is quite telling), there has been rising interest in client-side frameworks. There are a lot of players in this field but for applications with lots of functionality and many moving parts, two of them stand out in particular: Angular.js and Ember.js. Angular.js has already been introduced on this blog, so we're going to focus on Ember.js in this post, in which we'll build a simple Ember application to catalog your music collection. You'll be introduced to the framework's main building blocks and get a glimpse into its design principles.

12 minute readContinue Reading

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