Courses

Explore the intricacies of incident response and cybersecurity strategy in this 43-minute conference talk from Circle City Con 2014. Delve into the incident response lifecycle, attack patterns, and common pitfalls in hiring practices. Examine how product-driven decisions and political influences can impact security. Learn about the importance of proper preparation, identification of threats, and containment strategies. Discover techniques for assessing attacker capabilities and implementing counterstrikes. Gain valuable insights on lessons learned and how to improve overall security posture in this comprehensive presentation on modern cybersecurity challenges.

Explore a pragmatic approach to data-related challenges in this 48-minute conference talk from MLCon. Learn how to tackle problems with limited resources, navigate GDPR concerns, and cut through the hype surrounding deep learning. Discover insights on data integration within organizations, the evolution of roles, and practical problem-solving strategies based on real-world experience. Gain valuable knowledge on making impactful decisions, understanding the data pyramid, and implementing effective KPI definitions. Delve into topics such as Google Analytics, Tableau, AV testing, machine learning realities, data DevOps, and cloud-agnostic advice. Examine the pros and cons of various data engineering tools and technologies, including Hadoop, Spark, Presto, and Clickhouse. Acquire tips on finding skilled data engineers and integrating data with marketing efforts in this comprehensive, down-to-earth presentation for data professionals facing resource constraints.

This course looks at how increasing greenhouse gases are warming the climate and what it means to decarbonise - reduce the greenhouse gas intensity of - the power sector. It will also provide a range of arguments in favour of decarbonisation, including consideration of ease of access to a secure and affordable energy supply and improvements to health and the environment. This course gathers together information about these different motivating factors for building a lower carbon power sector in one place, and includes a careful consideration of the importance of the political context. This course will challenge you to critically analyse your own political context. We would welcome advisors to senior decision makers in government, civil society activists and others interested in understanding and promoting renewable electricity to take this course. This course will help you develop a better understanding of the different dimensions of a move towards a cleaner power sector and develop more nuanced and detailed arguments.

We've all written code that misses the mark. Sure, it works, but, still, you're left with the feeling that you've missed something. The difficult part, unfortunately, is recognizing what that "something" is. In this series, we'll review ten techniques, one per episode, to improve the clarity of your PHP code.

Dive into a comprehensive conference talk on optimizing autovacuum, PostgreSQL's built-in vacuum cleaner. Learn why vacuum is essential for maintaining database health, when manual vacuuming is preferable, and gain an in-depth understanding of autovacuum's functionality. Explore common misconceptions about autovacuum and discover five key takeaways to improve your PostgreSQL database performance. Benefit from the speaker's decade-long experience working with over 50 Postgres customers, addressing real-world challenges in production environments. Acquire practical knowledge on diagnosing autovacuum issues and implementing effective solutions to manage database bloat in high-volume OLTP workloads.

Explore the world of ultrasonic cleaning in this comprehensive 27-minute video tutorial. Learn about the principles behind ultrasonic cleaners, their various types, and practical applications. Follow along as the instructor demonstrates how to build a custom ultrasonic cleaner from scratch, including case construction and troubleshooting common issues. Gain insights into testing methods to ensure proper functionality and discover tips for effective usage. Perfect for DIY enthusiasts and those interested in understanding the technology behind this versatile cleaning method.

Explore the impact of renewable energy and sustainable development through this inspiring 18-minute TEDx talk. Discover how Dr. Priyadarshini Karve, a pioneering figure in the field, is revolutionizing access to clean energy and promoting equitable sustainable development. Learn about her active involvement in international organizations and her efforts to create a greener, more equitable future. Gain insights into how Dr. Karve's work has improved countless lives and serves as an inspiration for women aspiring to make a difference in traditionally male-dominated fields. Understand the power of women's contributions in building a more sustainable world and how Dr. Karve's legacy exemplifies the potential for positive change through dedication and innovation in the realm of GreenTech.

Explore strategies for improving large-scale legacy C++ applications in this ACCU 2019 conference talk. Learn how to overcome the challenges of complex codebases, implement clean coding practices, and effectively refactor legacy systems. Discover key elements for regaining control over code quality, including team dedication and prioritized steps. Gain insights on when and where to refactor, which strategies to employ, and how to align your team. Address the challenges of working with older compilers and IDEs, and explore ways to leverage tools for code improvement. Benefit from Arne Mertz's decade of experience in modern and legacy C++ development as he shares valuable techniques for maintaining and enhancing large-scale C++ projects.

Follow along with this 34-minute video tutorial to create a detailed 3D model of a vacuum cleaner using Blender software. Learn step-by-step modeling techniques while developing practical skills in 3D object creation. Download the finished model for reference or explore additional resources including tutorials for Blender, iClone 8, Character Creator 4, and Unreal Engine. Master the fundamentals of 3D modeling through this hands-on project perfect for beginners and intermediate users looking to expand their Blender modeling capabilities.

Discover 10 essential tips for writing cleaner C++ 20 code in this CppCon 2022 conference talk by David Sackstein. Learn how to create more readable, testable, and extensible code using modern C++ techniques. Explore the challenges of increasing code complexity and its impact on comprehension. Gain insights into core programming issues and their solutions through practical examples. Examine complex C++ code and witness its transformation using easily applicable guidelines. Engage in a discussion on implementing these tips in diverse projects. Delve into topics such as STL implementation, clean code tradeoffs, software design best practices, header management, error handling improvements, lazy iteration with generators, refactoring techniques, dependency injection, and inversion of control containers.

Become a JavaScript expert with this in-depth guide to the new, essential tools and techniques every developer should know! JavaScript has changed completely since it's early days of existence on the web. Join developer and keynote speaker Christian Heilmann to update your skills and unlock JavaScript's potential. From how to think about JavaScript in the coding landscape today to joining the JavaScript community, this class covers every detail for developers looking to stay on the cutting edge. You'll learn how to: Embrace the modern JavaScript development stack Set up your dev environment to prevent mistakes Learn to recognize the best JavaScript resources on the web Find the JavaScript community to get more involved Whether you've just started dabbling with JavaScript or have been working with it for years, after taking this class, you'll be coding cleaner and faster, creating better work and making products on a whole new level.

Learn how to clean your Android code and become a better Kotlin Android developer that writes clean and better code! What you'll learn: How to write clean Android codeHow to create a clean coding mindsetAwesome Kotlin featuresHow to clean up an existing projectHidden Android Studio shortcuts Have you ever gone back to your code and understood nothing because it was too messy and unorganized? Have you spent tons of time trying to figure out what in the world have you written in that app?This has happened to me many times as well and I know how frustrating this is, but we are here to actually fix it and prevent it from happening again!Class objectiveThis course is about writing clean Kotlin Android code which will save you a lot of time. You will be able to write much better and consistent code, so you will never end up wasting so much time trying to understand your projects.We will work together on your programming mindset. We are going to create a way of thinking so when you write code you also refactor it afterwards, because cleaning your code after you finish a feature is as important as having the ability to write it in the first place.This course also features many tips and tricks on how to write clean and readable Kotlin code. This course also features many tips and tricks on how to write clean and readable Kotlin code.You will learn about inline functions and trailing lambdas as well as other awesome Kotlin extensions.What are you waiting for? Jump in and let's clean some code!

Learn how to solve common website image problems with this 18-minute tutorial on the Ultimate WebP Image Converter & Database Cleaner. Discover a free code snippet that automatically converts PNG/JPEG to WebP format, removes duplicate image sizes from your database, and scales oversized images to manageable dimensions. The tutorial addresses issues like legacy images, excessive storage usage, and large user uploads, working seamlessly with WordPress posts, custom fields, and products. Follow along as the presenter demonstrates the tool in action, with timestamps for key sections at 00:00 (Problems and Issues) and 05:30 (Tool Demonstration). Important notes include taking backups first, testing on staging sites, and ensuring your hosting environment has proper PHP libraries enabled for WebP conversion.

Looking to write clean, sustainable, and scalable CSS? Learn a new methodology for easier, more flexible code!Join award-winning front-end architect and speaker Harry Roberts for a groundbreaking class that will transform your approach to CSS. Harry walks through his personal method for embracing its features, avoiding overrides and workarounds, and creating code that scales as you grow. You'll learn how to:Use Harry's innovative "bottom up" approach Be more specific to create code that lasts Segment your project into clear, concise layers Understand how CSS works to level up your code You've never seen CSS like this before. No matter your experience, you'll walk away with new tactics and techniques for crafting sustainable, scalable code with ease. After taking this class, you'll never write CSS the same way again.

Watch a time-lapse polymer clay sculpting tutorial of The Janitor from Little Nightmares. Follow along as the artist creates the creepy boss character's armature, builds up the body and clothing details, sculpts the distinctive elongated arms and head, and applies paint to bring the figure to life. Learn techniques for working with polymer clay, creating textures, and painting miniatures as you observe the step-by-step process from start to finish.

Join a panel discussion on the release of the "Building Cleaner, Faster" report, exploring solutions to expedite climate action and modernize environmental review processes. Delve into the findings of roundtable conversations convened by the Aspen Institute Energy & Environment Program, which addressed the challenge of achieving net-zero emissions by 2050. Hear from policymakers, experts, and practitioners as they discuss the report's conclusions and implications for decarbonizing the economy. Learn about the urgent need to reform permitting processes to implement decarbonization projects with the necessary scale, speed, and predictability. Gain insights from distinguished speakers, including members of Congress, industry leaders, and sustainability experts, on how to overcome procedural obstacles and accelerate progress towards a cleaner future.

Follow along with this 13-minute tutorial to learn a step-by-step 3D modeling workflow in Blender for creating a realistic facial cleanser bottle, perfect for CGI, animation, and game development projects. Master essential 3D modeling techniques while crafting a detailed cosmetic container, gaining practical skills applicable to product visualization and asset creation. Access additional resources including downloadable 3D models, complementary tutorials for iClone 8, Character Creator 4, and Unreal Engine, plus explore related content for expanding your 3D modeling expertise.

Explore the pragmatic potential of AI in this thought-provoking conference talk from Security BSides San Francisco. Delve into Adrian Sanabria's perspective on why AI should be utilized for solving mundane problems rather than critical ones. Examine the common trend in emerging technologies where future possibilities overshadow immediate practical applications. Understand the role of hype in funding decisions and why feasible ideas often get overlooked. Gain insights into the speaker's rationale for positioning AI as an efficient "janitor" rather than an unreliable "superhero" in current technological landscapes.

Explore the pitfalls of pigeonholing engineers into specific roles within software development teams. Examine the common archetypes of rock stars, builders, and janitors, and understand why relying on these fixed roles can be detrimental to an engineering organization's growth and success. Learn how limiting engineers to specific functions can hinder their professional development and the overall productivity of the team. Discover the importance of cultivating well-rounded engineers who can seamlessly transition between innovative problem-solving, scalable system building, and meticulous maintenance tasks. Gain insights into creating a more flexible and dynamic engineering culture that encourages continuous learning and adaptability across all aspects of software development.

Discover how to enhance test clarity and efficiency using the latest Mockito 2 release in this informative conference talk. Explore new features and best practices that increase productivity and simplify troubleshooting. Join Szczepan Faber, creator of Mockito and passionate advocate for engineering tools, as he demonstrates live examples and shares insights from his extensive experience. Learn about debug ability, framework failures, strict mocks, default mocks, lambda strict mocks, and how to fix common issues. Understand why tests fail, the benefits of lenient mocking, and how to handle argument problems. Dive into new behaviors, strict stubbing, and techniques for writing dry tests. Discover how to avoid unnecessary stubbing, leverage stubs effectively, and eliminate redundant interactions. Gain valuable knowledge about additional features that can further improve your testing process.