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FREE Programming books with the WCG Newsletter

Here at Web Code Geeks we know how much you love books about programming; we are geeks ourselves. After all, a programmer that respects himself should always have his face in a book, he has to keep up with the latest technologies and developments. For this reason, we have decided to distribute 9 of our books for free. You can ...

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JavaScript Enums Example

Greetings readers, in this tutorial, we will show how to use the JavaScript enumerations. 1. Introduction JavaScript is an object-oriented programming language that allows the client-side scripting to interact with a user and deliver the dynamic pages. Most web browsers including Google Chrome, Mozilla Firefox, Safari, Internet Explorer, Microsoft Edge, Opera, etc. support it. The JavaScript scripting language includes: Declaring ...

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Do You Test Ruby Code for Thread Safety?

Are you a Ruby developer? If you are, I’m pretty sure you have a very vague idea of what concurrency and thread safety are. No offense, but this is what I’ve figured out after dealing with Ruby code and speaking with Ruby programmers over the last half a year. I’ve been writing in Ruby pretty actively recently and I do ...

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JavaScript Date toString() Example

Greetings readers, in this tutorial, we will show how to use the JavaScript scripting language and the Date toString() method. 1. Introduction JavaScript is an object-oriented programming language that allows the client-side scripting to interact with a user and deliver the dynamic pages. Most web browsers including Google Chrome, Mozilla Firefox, Safari, Internet Explorer, Microsoft Edge, Opera, etc. support it. ...

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Why Use Xamarin for Mobile App Development?

As mobile applications increase in popularity over websites, businesses and organizations are focusing more on developing apps. Mobile apps generally provide a better user experience (UX) than websites, as they run faster and allow the user to work offline. However, the development of mobile apps is not an easy process and it generally takes a lot of time, especially if ...

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JavaScript bind() Example

Greetings readers, in this tutorial we will show how to use the JavaScript bind() method. 1. Introduction JavaScript is an object-oriented programming language that allows the client-side scripting to interact with a user and deliver the dynamic pages. Most web browsers including Google Chrome, Mozilla Firefox, Safari, Internet Explorer, Microsoft Edge, Opera, etc. support it. The JavaScript scripting language includes: ...

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Beware the performance cost of async_hooks (Node 8)

I was excited about async_hooks having finally landed in Node.js 8, as it would enable me to share important troubleshooting information with all code involved in handling a particular request. However it turned out to have terrible impact of our CPU usage (YMMV):                 This was quite extreme and is likely related to ...

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JavaScript Array find() Example

Greetings readers, in this tutorial, we will show how to use the JavaScript scripting language and the Array.find() method. 1. Introduction JavaScript is an object-oriented programming language that allows the client-side scripting to interact with a user and deliver the dynamic pages. Most web browsers including Google Chrome, Mozilla Firefox, Safari, Internet Explorer, Microsoft Edge, Opera, etc. support it. The ...

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Build a Simple GraphQL API Service with Express

“I love writing authentication and authorization code.” ~ No Web Developer Ever. Tired of building the same login screens over and over? Try the Okta API for hosted authentication, authorization, and multi-factor auth. GraphQL has become an immensely popular alternative to REST APIs. The flexibility you get from using GraphQL makes it easier for developers to get any information they ...

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JavaScript Array filter() method Example

Greetings readers, in this tutorial, we will show how to use the JavaScript scripting language and the Array.filter() method. 1. Introduction JavaScript is an object-oriented programming language that allows the client-side scripting to interact with a user and deliver the dynamic pages. Most web browsers including Google Chrome, Mozilla Firefox, Safari, Internet Explorer, Microsoft Edge, Opera, etc. support it. The ...

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