Let's learn about Efficiency via these 61 free blog posts. They are ordered by HackerNoon reader engagement data. Visit the Learn Repo or LearnRepo.com to find the most read blog posts about any technology.Efficiency is the ability to achieve maximum productivity with minimal wasted effort, time, or resources. In technology, it is paramount for optimizing system performance, reducing operational costs, and delivering faster, more reliable solutions.1. What does the time complexity O(log n) actually mean?Knowing the complexity of algorithms beforehand is one thing, and other thing is knowing the reason behind it being like that.2. XOR - The magical bitwise operatorUnderstanding bit manipulation provide new approaches you never knew existed to solve a particular problem. Let us do what’s necessary to start developing this bit-wise approach.3. 🚀 Boost Your Productivity as a Software Engineer 🚀Unique tips & tricks on boosting your productivity as a Software Engineer.4. Reducing Meeting Fatigue With 25-minute Meetings Discover the transformative power of concise meetings in software engineering, optimizing productivity and focus for efficient collaboration.5. The Feynman Learning Technique: How to Learn Anything WellIt is 1941 and you have a problem. While you haven’t yet gotten around to defining quantum electrodynamics, or even started your work helping design the atomic bomb, you are nearing the end of your second year of graduate school. This means you have an exam soon.6. The AI Energy Crisis & A Newfound Push for EfficiencyWhile Microsoft and Google spend billions, startups craft new, nimble, environmentally-friendly AI models.7. The Only Productivity Method You'll Ever Need Is 'Getting Things Done'Over the years I’ve tried different methods or adapted existing ones to make the most of my working time, but each new technique reminds me of the GTD method.8. I Increased My Typing Speed From 40 to 120 Wpm. Here’s How.How making regular practice and working on small things like finger placement can help improve your typing speed from 40wpm all the way up to 120wpm.9. Algorithms and Data StructuresWell, this is where you are separated by the ones who are good or excellent software developers. In this case, I will tell you that at the beginning or at least in my case and I know that most of the time and for most people who I know, you will feel like an incompetent or an idiot. Basically, how is it possible that I cannot understand this and then you get frustrated.10. Efficient Server Side Pagination using MongodbHow to implement server-side pagination in MongoDB using aggregation pipeline instead of client-side pagination and why you should do it server-side instead.11. A Programmer's Guide to Crack 'Twice the Work, Half the Time' CodeModern methods of software measurement do not provide a strong base for continuous improvement. This article tries to fill this gap.12. Programming Tutorial: Getting Started with Yul+A guide on the Yul and Yul+ Ethereum Smart Contract programming languages also save gas Ethereum13. Top Benefits of Incorporating Machine Learning Into Business ProcessesMachine learning and Artificial Intelligence have created a lot of buzz in the business sector. Marketers and business analysts are curious to know about the benefits and the applications of machine learning in business.14. Debugging Simple Arrow Functions More EfficientlyLet's say we have the function below.15. These 6 Cognitive Distortions Are Wasting Your Time Six Cognitive Distortions that Waste Your Time16. How to Use Chrome to Debug JavaScript - Stop Console.Logging! NOWIf you console.log() when you debug, you’re doing it wrong. There’s an easier way and it’s right in the palm of your browser.17. JavaScript Promises from ScratchTo get the most out of this article, please make sure that you know basics about Synchronous and Asynchronous Programming and, if possible, about javascript callbacks.However, I will try to keep most of the stuff away from these topics so that you can understand at least 85% of it.18. How to Manage Tasks (With Your Assistant) Using Notion: A Simple GuideEffective task management tips for better work organization.19. How to Boost Efficiency in Designing HTML PagesWhen you start your journey in Front-end Development, as you areintroduced to HTML and CSS preferably in a project-based learningsystem, everything about it is very interesting.20. 5 Copy and Pasting Tips For Every Developer to KnowWork Smarter, Not Harder.21. 4 Tips That Will Help You Become More Organized as a DeveloperLearn how to be more efficient and effective as a software engineer with this simple organizational pattern that anyone can follow.22. Learning How To Learn Is One of The Most Valuable Skills You Can LearnEver been stuck not knowing how to learn to code? Look no further than here! In this guide I will teach you 3 ways to learn more efficiently and effectively.23. How to Fix Your Priorities Using the Eisenhower MatrixUrgent vs Important: How To Fix Your Priorities24. Bitcoin Mining Just Became More EfficientBitcoin is a decentralized, distributed piece of software that converts electricity and processing power into indisputably accurate records. Thus Bitcoin is allowing its users to utilize the Internet to perform the traditional functions of money like transacting value.25. "If You Want to Earn More, Increase The Value of Your Work to The Employer"- There's No Other RecipeExplained why IT specialists earn more than cashiers, how to make your employer pay you more, and what this has to do with fear of big money26. Making A Keyboard Shortcut For Your Email Address In 5 Easy StepsA quick productivity tip to save you time by creating a keyboard macro for your email address.27. How to Improve the Parallelization of Torch Dataloaders Using Torch.multiprocessingHow can one improve the dataloader efficiency of torch's custom dataloader by using torch.multiprocessing in the case of 3D medical images.28. The Big OThe Big O is a way to measure how well your code solves a problem29. 5 Effective Ways to Maximize Slack You Probably Didn't KnowYou already know what Slack is. It's that software that helps you do your job better. It eases communication but there's more to Slack than what you know.30. How To Work Smarter With Parkinson’s LawParkinson’s law says that work expands to fill the time available for its completion. Work complicates to fill available time, but if you wait until the last mi31. How to Calculate the ROI of Your Design SystemDesign systems are a crucial success factor for digital businesses. Calculate the ROI of any design system with this ready-to-use formula.32. How Optimizing Outbound Logistics Saves Your Business Time and MoneyOutbound logistics play a critical role in a company's overall supply chain management and can significantly impact its bottom line.33. Use Collaborator and Bugsnag to Set Up a Code Ownership LoopLeverage the practice of code ownership to streamline bug identification and resolution throughout the entire software development lifecycle34. 5 VSCode Quick Tips to Boost Your HTML WritingWhen I started writing HTML and CSS documents, I found out that one of the best ways to practice building websites was cloning some of them. I spent a lot of time dealing with monstrous HTML documents with tags full of texts and links, which sometimes was not the most exciting experience. Since then, I've managed to look for some time-savers that could improve my efficiency inside VSCode, and here are some that I found:Selecting blocks of text35. I Automated My Own Reporting Job (And It Made Me More Valuable)I replaced manual reporting with automated data pipelines, saving 20 hours weekly and improving data accuracy and decision-making.36. How a Simple Chronometer can Boost your EfficiencyThere is something really paradoxical in this stage of human history: we have exoskeletons for our minds, and we can create and access the best content ever made with a minimum effort. However, we are getting less focused and easily distracted. Instead of consuming fresh ideas and opportunities to grow, most people get lost into an endless carousel of distraction.37. On Productivity Tools And Time Management With Julien Quintard, Founder Of RoutineAn interview with Julien Quintard on why he is building Routine and why productivity tools as we know it is going to change drastically in the a few quarters.38. How to Plan Your Day: 5 Effective Rules for Scheduling TasksToday I will tell you what principles to follow when planning your day. I use these practices myself and it helped to significantly reduce the level of daily stress. I also want to note that I adhere to these rules not only at work, but also in life, and I plan my everyday activities in the same way.39. The Secrets of High-Performing DevOps Teams [Part 1]Ultra-fast innovation holds the key for conglomerates like Apple, Microsoft, and Tencent known as the pacesetters in the modern markets. However, they all faced challenges that are typical for established companies.40. What a Baby Can Teach You About Adulting at WorkWhat I’m trying to say, is that despite my best efforts; I’m not much of a people person.41. How To Make Your Codebase More ReadableUnfortunately, very effective and efficient software engineers are generally very intolerant towards extreme ineffectiveness or inefficiencies, so try hard42. 7 Strategies for Maximum ProductivityYou are reading this because of one of two reasons. Either you want to be more productive, or you are looking for all that time that you lose during the day. You woke up early, worked all day and it still seems that your code or project did not move anywhere.43. Emancipation Starts in the KitchenWhat is the link between industrial/organizational psychology and modern kitchen layouts? It all started with Lillian Gilbreth.44. Technology Was Meant to Make Work Easier, but Has it Just Made us Busier?AI, automation, and always-on tools increase expectations, but do they truly boost productivity?45. Lessons Learned Using Docker from Development to ProductionLike many tools in the software developer's toolbox, docker is relatively easy to jump into and takes some time to master. Using it for a variety of projects over the years I've learned a few lessons along the way.46. How to Effectively Manage Software Engineers for Increased Productivity and Better EfficiencyManaging engineers is surprisingly not dissimilar to managing people in other workforces, but there still are some nuances every manager should know. Whether you’ve been struggling to keep your engineers productive or you just want to avoid any problems in the future, these are the things you should know.47. If Formula-1 Defined EfficiencyThis is what it would be48. Top 7 Productivity Tips that can Boost your PerformanceProductivity at work can make all the difference when trying to achieve your goals. Readout 7 productivity tips that anyone can implement to improve performanc49. Getting Into a Flow State and Bringing Your A-GameThe flow state: A state of hyperfocus where you perform at an amazing level. Read about our different approaches to getting into this wellspring of focus.50. The Future Self-Driving Cars and Their Societal ImpactWhat societal changes might we see from the advent of self-driving cars? Self-driving cars may one day eliminate traffic laws, DUIs, and major accidents51. Designing Fair and Efficient Blockchain Games: A Case Study with Sui Network and DRANDAn arxiv paper on fairness and efficiency in blockchain raffle games on Sui Network and smart contract insights with DRAND Beacons and VRFs.52. Why Efficiency Drives Tech InnovationA slow load time on your devices down the borderline unacceptable in today’s society. The average consumer now expects everything to work instantly.53. Conquer Work With The "One Channel" MethodTom works in the estimating department of a mid-sized plumbing contractor. As he walks in the door Tuesday morning, he gets hit with the following:54. Legacy Application Modernization: How To Advance Your Industry Forward And SucceedIs the threat of failure a real reason to get frustrated and postpone a modernization plan?55. Building The Culture of Lean Startup in 2025: Top 3 Mistakes First-Time Founders Make Looking at the data on failed startups, the same pattern is repeated: finances are the breaking point.56. Can Data Automation Transform The Workplace?Every minute, a staggering 1,820 terabytes of data is created around the world. That’s more than 2.5 quintillion bytes every day! This data takes many forms, from Tweets and Instagram posts to the generation of newbitcoin.57. Unlocking the Power of Synergy: Leading Blockchain-AI Projects and Their Use CasesThe goal of the Blockchain-AI merger is the creation of powerful solutions that alleviate some of the challenges we face as a digital society.58. Bringing AI to the DatacenterThe majority of the most important enterprise data remains in the corporate data center.59. 6 Ways to Optimizing Enterprise ProcessesExplore how AI, cloud computing, and robotics are enhancing efficiency in different industries.60. Designing Efficient Reverse Logistics in Retail ClothingReturns through e-commerce can average 30–40%, placing incredible pressure on the logistics process. Technology is the star of the show here: RFID tags and barc61. How to Build Energy Into Your Developer WorkflowThe real bottleneck isn't time, it's energy. You can stare at your screen for eight full hours and accomplish absolutely nothing if your brain is fried.Thank you for checking out the 61 most read blog posts about Efficiency on HackerNoon.Visit the /Learn Repo to find the most read blog posts about any technology.