Git—the popular and free version control software—unlocks powerful code management tools, including branching, merging, and remote repositories. The course explains how to use these features and commands for change tracking and collaboration. Learn to navigate the commit tree and review the log to find specific commits. Find out how to create branches to test new ideas without impacting the main project and merge those changes into the project if they work out. You can also reset branches to undo changes and stash changes that are not ready to be committed in temporary storage. Instructor Kevin Skoglund also shows how to set up a remote repository to work with another developer and implement a collaboration workflow to ensure you are working together effectively.

In the world of big data, more and more information is consumed and analyzed in text form. Websites, social media, emails, and chats have become the key sources for data and insights. If you work with data, then understanding how to deal with unstructured text data is essential. In this course, instructor Kumaran Ponnambalam helps you build your text mining skill set, covering key techniques for extracting, cleansing, and processing text in Python. Kumaran reviews key text processing concepts like tokenization and stemming. He also looks at techniques for converting text into analytics-ready form, including n-grams and TF-IDF. Along the way, he provides examples of these techniques using Python and the NLTK library.

Lynda - IT Security Careers and Certifications: First Steps

English | Video: 720p | 2hr 5m

Demand for information security professionals has never been higher—and it's only projected to grow. Interested in finding a job in this exciting new field? Or simply advancing to the next level? IT security expert Marc Menninger explains how to launch and develop a successful career in information security. Learn about the nine most common security jobs and the duties and qualifications for each role. Learn which security certifications appear in job listings and which ones will help you get the job you want. Follow example career paths to learn how others have progressed: from IT hobbyist to help-desk technician to analyst, systems architect, and more. Marc closes with career advice specific to information security, which will help you succeed in this dynamic and high-demand industry.

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