Many of the networks we access daily use network address translation (NAT) to preserve your privacy and help conserve the limited amount of IP addresses available. Understanding how NAT works comes in handy when you’re working in data science, cybersecurity, and systems or network administration. Ahead, we’ll go over how NAT works, the different types of NAT, and why they’re used. Learn something new for free Intro to ChatGPT Learn SQL How does NAT work?  Before we get into the inner workings of NAT, it’s helpful to review that IP (short for internet protocol) addresses are strings of ..read more

Learning to code so that you can land a job in tech can feel daunting. That’s why we’re sharing inspiring stories from Codecademy’s community — to show how people like you (yes, you!) can embark on a learning journey and end up with a totally new career. We hope these stories serve as a reminder that there’s no single path to a more fulfilling work life.  Today’s story is from Franklin Méndez, a 28-year-old Front-End Engineer at the customer engagement platform Reply Pro, living in Honduras. Read more stories from Codecademy learners here — and be sure to share your story here.  Why ..read more

It sounds like the easiest question you can get in an interview, but it’s often the hardest to answer: “Tell me about yourself.” It can be overwhelming to summarize your entire life in a few sentences, but luckily that’s not what you actually need to do. We’ve gathered perspectives from a recruiter and hiring managers so you can confidently introduce yourself in a job interview.   What are they really asking?  This interview question is usually one of the first, and while it’s just an icebreaker on the surface, “the fact that it’s such a broad question is actually a test in itse ..read more

Scoring a job interview is an accomplishment on its own — you should feel proud that your skills and experience got you in the door and one step closer to landing your dream role. So how do you respond when the opportunity for a job interview comes knocking? Ahead we’ll break down how to accept an interview offer and gear up for your next job interview. Use these steps as a guide to make sure you’ve covered all your bases.  Be sure to check out our Career Center for more tools that can help your job search, including the new Interview Simulator in beta. This AI-powered feature simulates a ..read more

You scored an interview for your dream technical job — get excited! As you imagine what your future could look like and how you’ll give notice at your current job, your mind might also be spinning a tapestry of worst-case scenarios. You sleep through your alarm. Show up to the interview with no pants on. Realize you had a goofy filter on for the whole video call.   These situations sound outlandish, but when stakes and nerves are high, you want to feel completely prepared. Now with our Interview Simulator, you can practice what you’d actually do or say in the moment.   This ..read more

Learning to code so that you can land a job in tech can feel daunting. That’s why we’re sharing inspiring stories from Codecademy’s community — to show how people like you (yes, you!) can embark on a learning journey and end up with a totally new career. We hope these stories serve as a reminder that there’s no single path to a more fulfilling work life.  Today’s story is from Shabana Khatau, a 46-year-old Systems and Application Advisor at Network Rail, living in London. Read more stories from Codecademy learners here. Want to be featured in a video about your coding journey? Be sure to ..read more

Learning to code so that you can land a job in tech can feel daunting. That’s why we’re sharing inspiring stories from Codecademy’s community — to show how people like you (yes, you!) can embark on a learning journey and end up with a totally new career. We hope these stories serve as a reminder that there’s no single path to a more fulfilling work life. Today’s story is from Daniel Jordan, a Software Engineer at a telecommunications company, living in Hertfordshire, England. Read more stories from Codecademy learners here. Want to be featured in a video about your coding journey? Be sure to s ..read more

GPT-5 is coming, but we don’t know exactly when. The highly anticipated generative pre-trained transformer from OpenAI is expected to surpass the current models that you can work with — and that’s saying a lot, considering how advanced GPT-4 and GPT-3.5 are. “We’re going to make the model smarter; it’s going to be better at everything across the board,” Sam Altman, CEO of OpenAI, said discussing future iterations of GPT at the World Government Summit in January. “This is a bigger deal than it sounds because what makes these models so magical is that they’re general.” Performance typically scal ..read more

When cutting-edge AI systems and tools come on the scene, it’s easy to forget that there are lots of humans behind these tech marvels. Sure, you might hear the same names of a few high-profile CEOs and thought leaders in the news (like Elon Musk and Sam Altman), but the AI and machine learning field is full of diverse and accomplished people.  Women contribute to AI research and innovations, often to less fanfare than their male counterparts. Women hold just 35% of STEM jobs in the U.S., and the fraction of women working in AI is even slimmer. A past report from the World Economic Forum s ..read more

Learning to code so that you can land a job in tech can feel daunting. That’s why we’re sharing inspiring stories from Codecademy’s community — to show how people like you (yes, you!) can embark on a learning journey and end up with a totally new career. We hope these stories serve as a reminder that there’s no single path to a more fulfilling work life. Today’s story is from Santiago Caraballo, a 33-year-old Data Engineer living in a city outside Buenos Aires, Argentina. Read more stories from Codecademy learners here — and be sure to share your story here. Why I chose to learn to code “Befor ..read more