Java Algorithms: Coding a Binary Tree Right Side View (LeetCode)

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Biscuits & Jam

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Lainey Wilson, Southern Living Cover Star, Is Keeping Her People Close 31:56

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This week Sid talks to one of the biggest and brightest stars in country music – Lainey Wilson. Back in May, he drove up to Nashville and got to have this conversation in person at Lainey’s farmhouse outside of town. The occasion was a Southern Living cover shoot, and Lainey and Sid sat down on a pair of comfortable chairs in her speakeasy-style basement, which is where she writes a lot of her songs. Lainey couldn’t have been more welcoming as a host, even though she’d been touring nonstop for her latest album, Whirlwind . She’s also hosting the CMA Awards in mid-November, and she’s appearing in the film adaptation of Colleen Hoover’s novel Reminders of Him early next year. But Lainey has clearly not forgotten her small-town roots in Baskin, Louisiana, or the importance of good friends, family, and her faith. She talked a lot about how she stays grounded, how she keeps holding on despite a wild few years in Nashville, and the importance of keeping her people close. She also told some funny stories about her fiance, Devlin Hodges, who goes by Duck, and how she and her family celebrate Thanksgiving. For more info visit: southernliving.com/biscuitsandjam Biscuits & Jam is produced by: Sid Evans - Editor-in-Chief, Southern Living Krissy Tiglias - GM, Southern Living Lottie Leymarie - Executive Producer Michael Onufrak - Audio Engineer & Editor/Producer Jeremiah Lee McVay - Producer Isaac Nunn - Recording Producer Learn more about your ad choices. Visit podcastchoices.com/adchoices…

۲ سال پیش 2:55

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This story was originally published on HackerNoon at: https://hackernoon.com/java-algorithms-coding-a-binary-tree-right-side-view-leetcode.
In this article, you will learn how to code a Binary Tree Right side view in LeetCode.
Check more stories related to programming at: https://hackernoon.com/c/programming. You can also check exclusive content about #javascript, #java, #leetcode, #computer-science, #data-structures, #algorithms, #competitive-coding, #programming, #hackernoon-es, and more.
This story was written by: @rakhmedovrs. Learn more about this writer by checking @rakhmedovrs's about page, and for more stories, please visit hackernoon.com.
Given the root of a binary tree, imagine yourself standing on the right side of it. Then, return the values of the nodes you can see ordered from top to bottom. I would say it’s a pretty popular question during coding interviews Using simple words — think of the level for a particular node in a binary tree as the depth of that node. This code gives us linear time and space complexity, and it performs pretty well.

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Java Algorithms: Coding a Binary Tree Right Side View (LeetCode)

Programming Tech Brief By HackerNoon

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1
Rustup 1.27.1: Minor Bug Fixes Can Have a Big Positive Impact 2:12

۴ hours پیش2:12

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This story was originally published on HackerNoon at: https://hackernoon.com/rustup-1271-minor-bug-fixes-can-have-a-big-positive-impact . Rust 1.27.1 will include minor bug fixes meant to improve your experience. Check 'em out here. Check more stories related to programming at: https://hackernoon.com/c/programming . You can also check exclusive content about #rust , #rustlang , #rust-minor-bug-fixes , #rust-update , #rust-1.27.1 , #what's-new-in-rust , #rust-1.27.1-details , #rust-changes , and more. This story was written by: @Rust . Learn more about this writer by checking @Rust's about page, and for more stories, please visit hackernoon.com . The headlines for this release are: Prebuilt Rustup binaries should be working on older macOS versions again. rustup-init will no longer fail when fish is installed, but ~/.config/fish/conf.d hasn't been created. Regressions regarding symlinked RUSTUP_HOME/(toolchains|downloads|tmp) have been addressed.…

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What Are Generics? An Introduction for Beginners 13:21

۴ hours پیش13:21

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This story was originally published on HackerNoon at: https://hackernoon.com/what-are-generics-an-introduction-for-beginners . Generics are a way of writing code that is independent of the specific types being used. Functions and types may now be written to use any of a set of types. Check more stories related to programming at: https://hackernoon.com/c/programming . You can also check exclusive content about #go , #golang , #go-for-beginners , #go-guide , #generics , #what-are-generics , #generics-explained , #hackernoon-top-story , and more. This story was written by: @Go . Learn more about this writer by checking @Go's about page, and for more stories, please visit hackernoon.com . In this article we’ll introduce the new language features. We won’t try to cover all the details, but we will hit all the important points.…

1
KPIs Are Destroying IT Teams: How to Actually Measure Developer Performance 5:10

1 day پیش5:10

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This story was originally published on HackerNoon at: https://hackernoon.com/kpis-are-destroying-it-teams-how-to-actually-measure-developer-performance . Discover why traditional KPIs fail IT teams and learn how to measure developer performance effectively while boosting team health and productivity. Check more stories related to programming at: https://hackernoon.com/c/programming . You can also check exclusive content about #developer-productivity , #team-management , #kpi-tracking , #cycle-times , #story-points , #software-development-tips , #team-performance , #agile-teams , and more. This story was written by: @dshesternin . Learn more about this writer by checking @dshesternin's about page, and for more stories, please visit hackernoon.com . Traditional KPIs like ticket counts or lines of code harm developer productivity. Focus on measuring Cycle Time (how quickly tasks are delivered) and Story Points (task complexity) instead. Use metrics to support, not punish, teams. Consider context, team health, and collaboration to truly boost efficiency and morale.…

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How to Choose a Dependency: Build vs Buy, Risk Management, and More 11:21

1 day پیش11:21

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This story was originally published on HackerNoon at: https://hackernoon.com/how-to-choose-a-dependency-build-vs-buy-risk-management-and-more . In this post, I'd like to describe my approach when choosing a dependency. I'll first define what I mean by dependency in the context of this post. Check more stories related to programming at: https://hackernoon.com/c/programming . You can also check exclusive content about #coding , #dependency , #what-is-a-dependency , #build-vs-buy , #risk-management , #dependency-choice-criteria , #dependency-in-coding , #hackernoon-top-story , and more. This story was written by: @nfrankel . Learn more about this writer by checking @nfrankel's about page, and for more stories, please visit hackernoon.com . A dependency is literally something your software depends on: infrastructure such as a filesystem or a database, network, etc. In this post, I'd like to narrow the scope to a software dependency that you need to compile/run, *i.e., a library. I'll first define what I mean by dependency in the context of this post. Then, I'll list a grid of several criteria to analyze possible dependencies.…

1
The Real Fix for React Native + pnpm: Hoist Everything 4:45

۲ روز پیش4:45

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This story was originally published on HackerNoon at: https://hackernoon.com/the-real-fix-for-react-native-pnpm-hoist-everything . Learn why React Native projects break under pnpm’s default linking, and why switching to node-linker=hoisted is the simplest, most reliable fix in monorepos. Check more stories related to programming at: https://hackernoon.com/c/programming . You can also check exclusive content about #react-native , #pnpm , #kotlin , #monorepo , #react-native-pnpm-setup , #pnpm-selective-hoisting-issues , #react-native-codegen-error-fix , #kotlin-errors , and more. This story was written by: @heyradcode . Learn more about this writer by checking @heyradcode's about page, and for more stories, please visit hackernoon.com . Learn why React Native projects break under pnpm’s default linking, and why switching to node-linker=hoisted is the simplest, most reliable fix in monorepos.…

1
The Painful Joy of Refusing Documentation 8:29

۲ روز پیش8:29

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This story was originally published on HackerNoon at: https://hackernoon.com/the-painful-joy-of-refusing-documentation . From AI hallucinations to debugging disasters, this essay explores the reasons why developers should stop fumbling around and start reading the docs. Check more stories related to programming at: https://hackernoon.com/c/programming . You can also check exclusive content about #software-development , #artificial-intelligence , #documentation , #technical-writer , #read-the-damn-manual , #rtfm , #read-the-manual , #read-the-documentation , and more. This story was written by: @moerayo . Learn more about this writer by checking @moerayo's about page, and for more stories, please visit hackernoon.com . From AI hallucinations to debugging disasters, this essay explores the reasons why developers should stop fumbling around and start reading the docs.…

1
Scaling API Integrations in Symfony: Fire-and-Forget, Factories, Auditing & Streams 11:36

۳ روز پیش11:36

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This story was originally published on HackerNoon at: https://hackernoon.com/scaling-api-integrations-in-symfony-fire-and-forget-factories-auditing-and-streams . We’re going to architect four production-ready, non-trivial patterns using Symfony 7.x and PHP 8.x. Check more stories related to programming at: https://hackernoon.com/c/programming . You can also check exclusive content about #symfony , #php , #asynchronous-programming , #asynchronous , #event-driven-architecture , #httpclient-configuration , #http-api , #software-architecture , and more. This story was written by: @mattleads . Learn more about this writer by checking @mattleads's about page, and for more stories, please visit hackernoon.com . We’re going to architect four production-ready, non-trivial patterns using Symfony 7.x and PHP 8.x.…

1
How to Use Vector Search to Build a Movie Recommendation App 7:10

۳ روز پیش7:10

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This story was originally published on HackerNoon at: https://hackernoon.com/how-to-use-vector-search-to-build-a-movie-recommendation-app . Learn how to build a semantic movie recommendation app using ScyllaDB’s vector search to find films by meaning, not just keywords. Check more stories related to programming at: https://hackernoon.com/c/programming . You can also check exclusive content about #scylladb-vector-search , #movie-recommendation-app , #semantic-search-tutorial , #vector-similarity-functions , #python-streamlit-app , #sentence-transformers , #ann-index-scylladb , #good-company , and more. This story was written by: @scylladb . Learn more about this writer by checking @scylladb's about page, and for more stories, please visit hackernoon.com . ScyllaDB’s new Vector Search lets developers build semantic search apps that understand meaning, not just text. This tutorial shows how to create a movie recommendation app using Sentence Transformers, Python, and Streamlit. It covers schema design, vector indexing, and ANN-based querying for fast, intelligent recommendations.…

1
“It Works on my Machine” Isn’t an Excuse—Test Your README Like a User 5:24

۴ روز پیش5:24

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This story was originally published on HackerNoon at: https://hackernoon.com/it-works-on-my-machine-isnt-an-excusetest-your-readme-like-a-user . The README says to download from this link. Huh, I'm not sure how to unarchive .tar.xz files - guess I'll search for that. Check more stories related to programming at: https://hackernoon.com/c/programming . You can also check exclusive content about #programming , #linux-software-installation , #readme-best-practices , #testing-readme-instructions , #virtual-machine-testing , #software-installation-errors , #dependency-management , #open-source-documentation , and more. This story was written by: @edent . Learn more about this writer by checking @edent's about page, and for more stories, please visit hackernoon.com . The README says to download from this link. Huh, I'm not sure how to unarchive .tar.xz files - guess I'll search for that.…

1
Deploying MobileNetV3 on NXP i.MX8MP: A Complete Edge AI Workflow for Handwritten Digit Recognition 8:18

۴ روز پیش8:18

8:18

This story was originally published on HackerNoon at: https://hackernoon.com/deploying-mobilenetv3-on-nxp-imx8mp-a-complete-edge-ai-workflow-for-handwritten-digit-recognition . This article details how to port and run the MobileNetV3 model on the NXP i.MX8MP platform to achieve the function of handwritten digit recognition. Check more stories related to programming at: https://hackernoon.com/c/programming . You can also check exclusive content about #linux , #embedded-systems , #eiq , #mobilenetv3 , #eiq-portal , #deep-learning-deployment , #model-training , #industrial-ai , and more. This story was written by: @hacker55465321 . Learn more about this writer by checking @hacker55465321's about page, and for more stories, please visit hackernoon.com . This article details how to port and run the MobileNetV3 model on the NXP i.MX8MP platform to achieve the function of handwritten digit recognition. From dataset import, model training and validation to TensorFlow Lite quantization and deployment, it fully demonstrates the usage process of eIQ Portal tool.…

1
npm's New Token Limits Won't Stop the Attacks That Actually Happen 8:58

۵ روز پیش8:58

8:58

This story was originally published on HackerNoon at: https://hackernoon.com/npms-new-token-limits-wont-stop-the-attacks-that-actually-happen . npm's October 2025 security overhaul introduces 90-day token limits and kills classic tokens. But the biggest supply chain attacks—from XZ Utils to the... Check more stories related to programming at: https://hackernoon.com/c/programming . You can also check exclusive content about #npm , #npm-token-limit , #npm-token-attacks , #cybersecurity , #npm-package-security , #npm-token-security , #npm-security , #software-development , and more. This story was written by: @encapsulation . Learn more about this writer by checking @encapsulation's about page, and for more stories, please visit hackernoon.com . npm's new token lifetime limits (90-day max, 7-day default) and mandatory WebAuthn are good security hygiene, but they don't address how attacks actually happen. The September 2025 breach that compromised 18 packages with 2.6B weekly downloads succeeded via phishing—the attacker had full account access and could generate tokens at will. The XZ Utils backdoor involved three years of social engineering to gain maintainer trust. Token rotation doesn't stop account takeovers, malicious insiders, or the lack of code review. npm is treating the symptom (token exposure) rather than the disease (anyone can publish anything instantly).…

1
The Automatic Checking of cfgs: How It Works 4:24

۶ روز پیش4:24

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This story was originally published on HackerNoon at: https://hackernoon.com/the-automatic-checking-of-cfgs-how-it-works . It ensures that the cfg settings are consistent between what is intended and what is used, helping to catch potential bugs or errors early in development Check more stories related to programming at: https://hackernoon.com/c/programming . You can also check exclusive content about #rust , #rustlang , #rust-features , #rust-tutorial , #rust-guide , #rust-for-beginners , #rust-cfgs , #rust-automatic-checking , and more. This story was written by: @Rust . Learn more about this writer by checking @Rust's about page, and for more stories, please visit hackernoon.com . This can help with verifying that the crate is correctly handling conditional compilation for different target platforms or features. It ensures that the cfg settings are consistent between what is intended and what is used, helping to catch potential bugs or errors early in the development process.…

1
Go: Can It Mitigate Supply Chain Attacks? 8:02

۷ روز پیش8:02

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This story was originally published on HackerNoon at: https://hackernoon.com/go-can-it-mitigate-supply-chain-attacks . It is an explicit security design goal of the Go toolchain that neither fetching nor building code will let that code execute, even if it is untrusted. Check more stories related to programming at: https://hackernoon.com/c/programming . You can also check exclusive content about #go , #golang , #supply-chain , #supply-chain-attacks , #version-control-system , #go-for-beginners , #go-guide , #golang-safety , and more. This story was written by: @Go . Learn more about this writer by checking @Go's about page, and for more stories, please visit hackernoon.com . All together this means it’s possible to build rich, complex applications with just a handful of dependencies. No matter how good the tooling is, it can’t eliminate the risk involved in reusing code, so the strongest mitigation will always be a small dependency tree.…

۵ weeks پیش12:09

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Programming Tech Brief By HackerNoon

1 year پیش8:41

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This story was originally published on HackerNoon at: https://hackernoon.com/how-to-build-your-own-todo-list-service-with-golang-and-mongodb . Many have wondered how a simple task sheet or applications that provide such functionality work. In this article, we will write a small TODO service. Check more stories related to programming at: https://hackernoon.com/c/programming . You can also check exclusive content about #mongodb , #golang , #microservices , #compass , #todolist , #how-to-build-a-todo-list , #golang-tutorial , #mongodb-guide , and more. This story was written by: @mrdrseq . Learn more about this writer by checking @mrdrseq's about page, and for more stories, please visit hackernoon.com . Many have wondered how a simple task sheet or applications that provide such functionality work. In this article, we will write a small TODO service.…

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Java Algorithms: Coding a Binary Tree Right Side View (LeetCode)