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List Comprehensions in Python

List comprehensions provide you a way of writing for loops more concisely. They can be useful when you want to create new lists from existing lists or iterables. For example, you can use list comprehensions to create a list of squares from a list of numbers. Similarly, you could also use . . . Read more

Uploading With Rails and Paperclip

This is the last article in the “Uploading with Rails” series. In the past couple of months we have already discussed the Shrine, Dragonfly, and Carrierwave gems. Today’s guest is Paperclip by Thoughtbot, a company which manages gems such as FactoryGirl and Bourbon. Paperclip is probably the most popular attachment . . . Read more

New Coffee Break Course: Taming Python With Unit Tests

What You’ll Be Creating Hey, developers! Never code without a safety net! That’s what unit tests are for. In our latest Coffee Break Course, Taming Python With Unit Tests, Envato Tuts+ instructor Derek Jensen will show you how to use the built-in Python unit testing framework. You’ll be able to jump . . . Read more

Building a Python Code Review Scheduler: Processing Log

In this tutorial series, you’ll see how to build a code review scheduler using Python. Throughout the course of this series, you’ll brush up against some basic concepts like reading emails, sending an email, executing terminal commands from Python program, processing git logs, etc. In the first part, you’ll start . . . Read more

Building With the Twitter API: Analyzing Your Followers

What You’ll Be Creating Introduction Welcome to the latest episode of our Twitter API series. In our last episode, I built Twixxr.com which will let you discover influential women on Twitter for your account to follow. Today, I’m going to turn the focus inward to look at my own followers. While I haven’t really . . . Read more

Erlang and Elixir, Part 3: Functions

Elixir is built on Erlang, and in both Erlang and Elixir a function is not just identified by its name, but by its name and arity.  Remember: Everything in Elixir is an expression. To give you a clear example of this, below we have four functions, but all defined with . . . Read more

Adding Custom Fields to Simple Products With WooCommerce

WooCommerce is arguably the most popular way to sell products using WordPress. With WordPress powering roughly 25% of the Internet and WooCommerce powering roughly 39% of all online stores, it’s a safe bet to use the two in conjunction with one another if you’re looking to market goods to customers. But, . . . Read more