📋 Log for 2026-10-02

YouTube Summaries

[Kotlin Course For Beginners – Full Tutorial](https://www.youtube.com/watch?v=nqK3oJ682mQ)

Channel: freeCodeCamp.org

Summary:

Master modern, expressive software development with Kotlin, taking you from core syntax and type safety to advanced coroutines and multiplatform architecture. Through hands-on projects, you will build robust, production-ready applications for Android, backend systems, and beyond.
74-Hour Kotlin Masterclass: https://www.udemy.com/course/kotlin-masterclass-learn-kotlin-from-zero-to-advanced/?referralCode=EAB498FC62AF9500D30A
Course from @programmingwithalex.585
Join his Discord: https://discord.gg/zyWxwTSN
❤️ Support for this channel comes from our friends at Scrimba – the coding platform that's reinvented interactive learning: https://scrimba.com/freecodecamp
⭐️ Chapters ⭐️
(0:00:00) Introduction
(0:00:20) Download and Install InelliJ IDE
(0:05:37) What is JVM?
(0:12:23) Variables - val vs var
(0:23:16) Variables - Type & Inference
(0:32:52) Integer Variables - Byte, Short, Int and Long
(0:43:23) Float and Double
(0:49:14) Char and Boolean
(0:59:05) Operators and operations
(1:11:40) If Statement-Expression
(1:16:13) Logical AND & logical OR operators
(1:23:13) When statement-expression
(1:29:03) FOR loop
(1:34:50) While, Do-While and Labels
(1:43:22) Null Values & Null Safety
(1:54:12) Functions
(2:01:09) Functions: return values and Expressions
(2:05:42) Functions Overloading
(2:12:04) vararg keyword
(2:16:14) Functions - Default Paramenters and Values
(2:21:19) Arrays
(2:32:54) Classes - what they are?
(2:41:57) Classes Primary Constructor
(2:50:23) Classes Initializer Blocks
(3:00:07) Classes Secondary Constructors
(3:09:37) Classes Default Constructor Parameters
(3:12:27) lateinit keyword
(3:19:32) Companion Object
(3:24:31) Singleton
(3:31:37) lazy initialization
(3:35:07) Getters and Setters
(3:45:44) Enum Class
(3:51:25) Sealed Classes
(3:57:21) Object Expression
(4:01:21) Inheritance
(4:11:08) Abstract Classes
(4:16:34) Interfaces
(4:21:20) Data Classes
(4:29:13) Delegation
(4:34:36) Extension Functions
(4:40:06) Generics: Type Parameters and Casting
(4:46:05) Generics Upper Bounds
(4:50:35) Generics: Covariance and Contravariance
(4:58:21) Generics: Type Erasure and the reified Keyword
(5:04:25) Generics: Where Clause & 2 Upper Bounds
(5:11:48) List, Set and Map
(5:32:56) Binary Search
(5:38:49) Comparable and Comparator
(5:44:36) Access Modifiers
(5:50:11) Try Catch Finally
(5:55:38) Lambda Functions
(6:02:11) What are Coroutines?
(6:07:38) Coroutines Implementation
(6:26:40) Coroutines Builders launch, async and runBlocking
(6:50:03) Coroutines Cancellations, Timeouts and Exceptions
(7:05:40) Coroutines: Structured Concurrency, Exceptions
(7:23:48) Coroutines: Sequential, Parallel, Lazy
(7:33:22) Coroutines: withContext
(7:37:38) What is a Flow?
(8:05:01) Reactive Programming
(8:10:38) Starting our first Flow Use Case
(8:21:38) Basic Flow Builders
(8:34:23) Exposing a Flow in out DataSource
(8:41:52) Basic Terminal Operators
(8:56:35) Terminal operator "launchIn()"
(9:04:14) Lifecycle Operators
(9:16:18) Terminal operator "asLiveData()"
(9:30:39) Basic Intermediate Operators
(9:43:54) Flow Exception Handling
(9:57:14) Exception Transparency
(10:04:35) The "retry()" Operator
(10:12:54) Flow Cancellation
🎉 Thanks to our Champion and Sponsor supporters:
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--
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Why watch: This video offers valuable insights and information worth watching.

Published: 2026-10-02T13:05:36+00:00

Latest OpenRouter Models

StepFun: Step 5 Preview (stepfun/step-5-preview)

Step 5 Preview is StepFun's flagship model for agentic work, built on a sparse Mixture-of-Experts architecture (27B active / 600B total parameters). It performs strongly in software engineering and professional...

Published: 08/10/2026

https://openrouter.ai/stepfun/step-5-preview

Anthropic: Claude Haiku 5.5 (batch) (anthropic/claude-haiku-5.5)

Claude Haiku 5.5 is Anthropic's small, fast model for high-volume, cost-sensitive work such as summarization, subagents, and browser use. It succeeds Claude Haiku 4.5 with stronger coding, computer use, and...

Published: 07/10/2026

https://openrouter.ai/anthropic/claude-haiku-5.5

Google: Nano Banana 2.1 (google/gemini-nano-banana-2.1)

Nano Banana 2.1 (Gemini Nano Banana 2.1) is Google's image generation and editing model on the Flash tier, succeeding Nano Banana 2 and Nano Banana Pro. It improves product recontextualization,...

Published: 06/10/2026

https://openrouter.ai/google/gemini-nano-banana-2.1

📢 OpenClaw Releases

🌟 openclaw 2026.8.35

This is a gateway-only `extended-stable` release, which is our current equivalent to LTS. This release is OpenClaw from the end of August 2026, plus critical security updates, reliability and performance fixes, and features like new model support. The latest version of OpenClaw at the time of this release is 2026.9.7

2026.8.35

Highlights

GPT-6.1 Sol support: add the current Sol model across OpenAI routing, discovery, reasoning, harness, and Reef guard-model boundaries. (#161400, #162955)
Safer updates and recovery: preserve plugin settings, prevent duplicate Gateways, handle pnpm package updates without terminal failures, and retain plugin inventory through migration. (#160344, #160193, #161920, #161485) Thanks @EndeavorPioneer, @grtninja, @alkor2000, @xilopaint, and @aniruddhaadak80.
Reliable agent completion: preserve complete delegated and CLI answers, release suspended child capacity, rec...

Published: today https://github.com/openclaw/openclaw/releases/tag/v2026.8.35

🌟 openclaw 2026.8.34

2026.8.34

Highlights

Extended-stable correctness rollup: backport 113 audit-selected fix units across upgrades, Doctor, authentication, sessions, channels, plugins, sandboxing, filesystem safety, model runtimes, and release packaging.
Complete rescan: re-evaluate the full 2026.8.33 discovery range, large mixed-purpose pull requests, and the 2026.7.35 lineage instead of advancing only from the previous backport cursor.
Upgrade and recovery hardening: preserve credentials, agent state, plugin inventory, transcripts, schedules, service ownership, and runtime links through upgrades, ...

Published: today https://github.com/openclaw/openclaw/releases/tag/v2026.8.34

inclusionAI: Ling 3.1 Flash (inclusionai/ling-3.1-flash)

Ling 3.1 Flash is a hybrid reasoning mixture-of-experts model from inclusionAI, with 25B active parameters out of 560B total.

Published: Fri, 02 Oct 2026 14:07:04 GMT

Robot Technology

🤖 Robot Talk Episode 164 – Accelerating robot learning, with Michelle Lu

Claire chatted to Michelle Lu from Vsim Technology about using simulation and artificial intelligence to teach robots new skills. Michelle Lu is co-founder and CEO of Vsim Technology. She was previously a Director of Simulation Technology at NVIDIA, where she and her co-founder created the world’s first end-to-end GPU-accelerated reinforcement learning (RL) framework, Isaac Gym, [&#8230;]

Source: robohub.org • Published: Fri, 02 Oct 2026 11:33:00 +0000

🤖 Video Friday: Albatross Falls, Spins, Self-Rights, and Sails Away

Video Friday is your weekly selection of awesome robotics videos, collected by your friends at IEEE Spectrum robotics. We also post a weekly calendar of upcoming robotics events for the next few months. Please send us your events for inclusion. CoRL 2026 : 9–12 November 2026, AUSTIN Humanoids 2026 : 6–9 December 2026, SANTA CLARA, CA Enjoy today’s videos! We’ve developed ALBATROSS, a hybrid aerial–marine robot that can be released from the air, autorotate down to the water without a parachute, p...

Source: spectrum.ieee.org • Published: Fri, 02 Oct 2026 16:30:02 +0000

‘Flourishing’ Sycamore Gap Tree Has Ring of New Shoots Already 3-Feet Tall

3 years on from the illegal felling of Britain’s famous Sycamore Gap tree, new aerial images reveal how the stump is flourishing, and the basal sprouts that emerged are growing fast. For those who didn’t read or weren’t aware, one of the UK’s most famous trees—a 150-year-old sycamore growing in a gap along the Roman-era […] The post ‘Flourishing’ Sycamore Gap Tree Has Ring of New Shoots Already 3-Feet Tall appeared first on Good News Network .