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Online Tutorials Library.
A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions.
In-depth, to-the-point tutorials on Java, Spring, Spring Boot, Security, and REST.
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Red Hat is the world’s leading provider of enterprise open source solutions, including high-performing Linux, cloud, container, and Kubernetes technologies.
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Stack Overflow is the largest, most trusted online community for developers to learn, share their programming knowledge, and build their careers.
Focus on Core Java and Spring Frameworks, with simple examples, code snippets, and tutorials.
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Programming, Web Development, and DevOps news, tutorials and tools for beginners to experts. Hundreds of free publications, over 1M members, totally free.
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Cisco delivers innovative software-defined networking, cloud, and security solutions to help transform your business, empowering an inclusive future for all.
Your go-to source for professional IT insight, from defining complex tech jargon to exploring the latest tech trends.
Tecmint - Linux Howtos, Tutorials, Guides, News, Tips and Tricks.
Q&A for system and network administrators
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Mozilla is the not-for-profit behind the lightning fast Firefox browser. We put people over profit to give everyone more power online.
The official home of the Python Programming Language
Learn Python online: Python tutorials for developers of all skill levels, Python books and courses, Python news, code examples, articles, and more.
A constructive and inclusive social network for software developers. With you every step of your journey.
GitHub is where over 100 million developers shape the future of software, together. Contribute to the open source community, manage your Git repositories, review code like a pro, track bugs and features, power your CI/CD and DevOps workflows, and secure code before you commit it.
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Medium is an open platform where readers find dynamic thinking, and where expert and undiscovered voices can share their writing on any topic.
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Maven Repository: Search/Browse/Explore.
Learn Java online. Android development tutorials, Java tutorials for beginners, Java books, Scala, Groovy and JRuby news, tutorials, code examples and snippets, articles and more.
A blog about Java, Programming, Algorithms, Data Structure, SQL, Linux, Database, Interview questions, and my personal experience.
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The Tech Terms Computer Dictionary contains over 1200 technical terms with easy-to-understand definitions.
Home page of The Apache Software Foundation
Edureka is an online training provider with the most effective learning system in the world. We help professionals learn trending technologies for career growth.
Most popular portal for Software professionals! You will absolutely love our tutorials on Software Testing, Development, Software Reviews and much more!
Webopedia is the most comprehensive information technology reference. Read computer definitions and study guides now.
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Linuxize is a Linux Sysadmin and DevOps blog that publishes articles and tutorials about server operations, new techniques and Linux security.
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Free computer help and support. Answering all your computer related questions with complete information on all hardware and software.