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5 Crucial Concepts for Learning d3.js and How to Understand Them


You may have already heard about d3.js, the dazzling JavaScript library that lets you create beautiful charts and graphics with just a few lines of code. You might have seen some of the fantastic examples of D3 in action, or you may have heard that the New York Times uses it to create...

Exchange Rates and Currency Conversion with fixer.io (Sponsored)


My most stressful tasks as a coder have always revolved around money.  Whether you’re coding a site for a client, your own business, or your employer, you want to be damn sure that any handling of currency is accurate, secure, and localized.  We always want our code to work but when...

Force a React Component to Re-Render


The beauty of React components is that they automagically render and update based on a change in state or props; simply update the state from any place and suddenly your UI element updates — awesome!  There may be a case, however, where you simply want to brute force a fresh render of a React...

Phone Number Validation with numverify (Sponsored)


When we think about form validation, phone numbers aren’t the most pressing bit of information to validate, but if the phone number is absolutely critical to your business or application, you’ll want to do all you can to precisely ensure the number is correct.  And the truth is most...

10 Useful Git Tips


In this tutorial we share with you a collection of tips that will help you manage your git repositories

Roguelike Lets You Kill Your Evil Twin With Mind Bullets


I’m laying down to recover health by bathing my photosynthetic skin in the sun when my evil twin leaps from a portal and starts firing a laser pistol at me. I’m about to conjure a couple of fireballs before my narcolepsy kicks in at the worst time. Just another day in Caves of Qud. It’s this week’s...

Password Rules Are Bullshit


Of the many, many, many bad things about passwords, you know what the worst is? Password rules. If we don't solve the password problem for users in my lifetime I am gonna haunt you from beyond the grave as a ghost pic.twitter.com/Tf9EnwgoZv— Jeff Atwood

Let's Encrypt Everything


I'll admit I was late to the HTTPS party. But post Snowden, and particularly after the result of the last election here in the US, it's clear that everything on the web should be encrypted by default. Why? You have an unalienable right to privacy, both in the real world

Can Software Make You Less Racist?


I don't think we computer geeks appreciate how profoundly the rise of the smartphone, and Facebook, has changed the Internet audience. It's something that really only happened in the last five years, as smartphones and data plans dropped radically in price and became accessible – and addictive –...

Here's The Programming Game You Never Asked For


You know what's universally regarded as un-fun by most programmers? Writing assembly language code. As Steve McConnell said back in 1994: Programmers working with high-level languages achieve better productivity and quality than those working with lower-level languages. Languages such as...

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