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Product description

The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. Govee Uplighter Floor Lamp Merchant Video

Tri-Zone Independent Lighting: Switch between upper ambient ripples, middle RGBIC light, 1000lm focused task lighting, and mixed zones for movie nights, work, or parties. The app version must be 7.0.1 or above to support the firmware updates needed to activate the upper and lower sections illumination combo.
DIY Dynamic Ripple Lighting: The floor lamp’s 330° rotating lamp head casts customizable RGBWW water ripple effects onto ceilings. Cover around 215ft² walls with 80+ scenes, ideal for tall living rooms and master bedrooms.
Circadian Rhythm & Health-Centric Lighting: Mimic natural light with a color temperature ranging from 2,700K (Warm) to 6,500K (Cool) with “Auto Run”. Program this floor lamp to boost productivity with cool tones or unwind with warm sunset hues.
Smart Home Ready: Compatible with SmartThings, Alexa, Matter, Google Assistant, and Govee Home App. Create DIY light shows, music-reactive beats, or immersive DreamView scenes for parties (Ensure that your Wi-Fi router is 2.4GHz capable)
Sleek Design for Any Space: This modern floor lamp features an inner tapered design with transparent black shade accents to blend with any décor. Built with rust-proof aluminum and whisper-quiet motors (<25dB) for years of stylish, quiet performance.

Any programmer working with a dynamically typed language will tell you how hard it is to scale to more lines of code and more engineers. That’s why Facebook, Google, and Microsoft invented gradual static type layers for their dynamically typed JavaScript and Python code. This practical book shows you how one such type layer, TypeScript, is unique among them: it makes programming fun with its powerful static type system.

If you’re a programmer with intermediate JavaScript experience, author Boris Cherny will teach you how to master the TypeScript language. You’ll understand how TypeScript can help you eliminate bugs in your code and enable you to scale your code across more engineers than you could before.

In this book, you’ll:

Start with the basics: Learn about TypeScript’s different types and type operators, including what they’re for and how they’re usedExplore advanced topics: Understand TypeScript’s sophisticated type system, including how to safely handle errors and build asynchronous programsDive in hands-on: Use TypeScript with your favorite frontend and backend frameworks, migrate your existing JavaScript project to TypeScript, and run your TypeScript application in production

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Sharing the knowledge of experts

O’Reilly’s mission is to change the world by sharing the knowledge of innovators. For over 40 years, we’ve inspired companies and individuals to do new things (and do them better) by providing the skills and understanding that are necessary for success.

Our customers are hungry to build the innovations that propel the world forward. And we help them do just that.

Publisher ‏ : ‎ O’Reilly Media
Publication date ‏ : ‎ May 23, 2019
Edition ‏ : ‎ 1st
Language ‏ : ‎ English
Print length ‏ : ‎ 322 pages
ISBN-10 ‏ : ‎ 1492037656
ISBN-13 ‏ : ‎ 978-1492037651
Item Weight ‏ : ‎ 2.31 pounds
Dimensions ‏ : ‎ 6.75 x 0.75 x 9 inches
Best Sellers Rank: #334,435 in Books (See Top 100 in Books) #42 in JavaScript Programming (Books) #328 in Software Development (Books) #715 in Programming Languages (Books)
Customer Reviews: 4.6 4.6 out of 5 stars (333) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });

Product description

KAMRUI Mini PC E3B AMD Ryzen V2748

1 AMD Ryzen Embedded V2748

2 AMD Radeon 7 Graphics

1 Ultra-Portable

2 Package Contents

3

[2026 New & Powerful Mini PC] The KAMRUI Mini PC is equipped with an AMD Ryzen Embedded V2748 processor(8C/16T, 16M Cache, up to 4.3GHz) ，compared with AMD Ryzen AMDR yzen7 5825U/5PRO 6650H , E3B MINI PC AMD Ryzen Embedded V2748 CPU performance +25%, more powerful performance and smoother running .This powerful CPU effortlessly handles complex computing tasks and multitasking, delivering smooth operation for office work, multi-software operations, video editing, graphic design.
[High-Speed Memory and Storage] Equipped with 16GB of dual-channel DDR4 RAM operating at 3200MT/s—expandable up to 64GB—along with a high-performance 1TB M.2 2280 NVMe PCIe 3.0 x4 solid-state drive. This configuration ensures enhanced system responsiveness, ample storage capacity, and seamless performance to comprehensively support all your daily computing requirements.
[WiFi 6 and Bluetooth 5.2] Featuring advanced WiFi 6 connectivity with data rates up to 2400 Mbps and the latest Bluetooth 5.2 technology, the KAMRUI Mini PC delivers significantly faster wireless speeds, reduced latency, and improved network efficiency. This provides a consistently stable and highly responsive connection—ideal for lag‑free online gaming, uninterrupted HD streaming, and swift large‑file transfers.
[4K Triple-Display Capability] Powered by an integrated AMD Radeon Vega 7 Graphics processor (7 GPU cores, 1600 MHz clock speed), this mini PC delivers stunning 4K visuals with exceptional clarity and vibrant color. It supports triple-display output via HDMI, DisplayPort, and USB Type‑C ports, allowing seamless multitasking across multiple screens—perfect for boosting productivity, enjoying immersive content, or handling light gaming with smooth, ultra-realistic visuals.
[Ready to Use, Complete Setup ] Straightforward to set up, effortlessly portable, and ready to perform anywhere—KAMRUI keeps you productive wherever you work.The package includes:1 × AMD Ryzen V2748 Mini PC ，1 × Power Adapter ，1 × VESA Mount ，1 × User Manual ， 1 × User Manual ， 1× HDMI Cable ，1-Year Quality Warranty.

Relive the golden age of gaming with the Tiny Arcade Atari 2600 Mini Console. This palm-sized retro device features a fully functioning joystick and a 1.5 inch color TV monitor inspired by 60s and 70s design. Preloaded with 10 iconic games including Pac-Man, Pong, and Missile Command, it offers nostalgic fun in a compact format. Perfect for desktops or travel, the console delivers real gameplay and sound in a miniature form. Whether you’re a longtime fan or introducing classic titles to a new generation, this tiny arcade brings timeless entertainment to your fingertips. Recommended for ages 8 and up.
Game Selection: Includes 10 classic titles.
Functional Design: Equipped with working joystick and 1.5 inch color TV monitor; authentic retro styling.
Functional Design: Equipped with working joystick and 1.5 inch color TV monitor; authentic retro styling.
Power Source: Requires 3 x AAA batteries; included for immediate play.
Age Recommendation: Suitable for children aged eight years and older.

Note:
1. Independently lab-tested to filter allergens such as dust, hair, dander, smoke, pollen, and more.
2 & 3 & 4. Tested by an independent lab.

Choose from a variety of replacement filters to best meet your needs. The Toxin Absorber Filter specializes in smog, toxins, and VOCs, while the Smoke Remover filter addresses smoke from wildfires, smoke, and other particulates. The Pet Allergy Filter captures fur and absorbs unpleasant odors.
𝐖𝐇𝐘 𝐂𝐇𝐎𝐎𝐒𝐄 𝐀𝐇𝐀𝐌 𝐕𝐄𝐑𝐈𝐅𝐈𝐃𝐄 𝐏𝐑𝐎𝐃𝐔𝐂𝐓𝐒: AHAM (Association of Home Appliance Manufacturers) is an ANSI-accredited organization that sets strict standards for appliance performance. Air purifiers with the AHAM VERIFIDE seal have been independently tested for air cleaning performance, safety, and energy efficiency. When you choose an AHAM certified air purifier, you’re choosing a product trusted for reliable and effective indoor air quality improvement.
𝐀𝐇𝐀𝐌 𝐕𝐄𝐑𝐈𝐅𝐈𝐃𝐄 & 𝐓𝐑𝐔𝐒𝐓𝐄𝐃 𝐁𝐘 𝐄𝐗𝐏𝐄𝐑𝐓𝐒: Certified by the Association of Home Appliance Manufacturers (AHAM), the Vital 200S-P has been independently tested to meet strict air purification and safety standards. CADR ratings include: Smoke: 250 CFM Dust: 254 CFM Pollen: 289 CFM
𝐀𝐈𝐑 𝐏𝐔𝐑𝐈𝐅𝐈𝐄𝐑 𝐃𝐄𝐒𝐈𝐆𝐍𝐄𝐃 𝐅𝐎𝐑 𝐀𝐋𝐋𝐄𝐑𝐆𝐘 𝐆𝐑𝐎𝐔𝐏𝐒：The Vital 200S-P is designed specifically for allergy groups, effectively preventing allergens such as pollen, pet hair, dander, and dust from the air. Its efficient filtration system captures tiny particles, significantly improving indoor air quality and helping you and your family enjoy fresher air.
𝐏𝐎𝐖𝐄𝐑𝐅𝐔𝐋 𝐖𝐇𝐎𝐋𝐄-𝐑𝐎𝐎𝐌 𝐀𝐈𝐑 𝐂𝐋𝐄𝐀𝐍𝐈𝐍𝐆: The LEVOIT Vital 200S-P Air Purifier delivers advanced air purification for large rooms up to 1875 sq ft. Ideal for living rooms, bedrooms, basements, and open-concept homes, it’s built to handle high traffic spaces and pet households.
𝐇𝐈𝐆𝐇𝐄𝐑 𝐀𝐈𝐑 𝐈𝐍𝐓𝐀𝐊𝐄: Purify your air quickly. With a traditional air inlet and the additional U-shaped air inlet, airborne pet hairs and odors can easily be trapped without causing clogs
𝐇𝐈𝐆𝐇 𝐏𝐄𝐑𝐅𝐎𝐑𝐌𝐀𝐍𝐂𝐄: Our filter has a strong filtration performance of ultra fine particles 99.97 percent filtration efficiency for 0.1-0.3 μm airborne particulates, including pollen, dust, and animal dander allergens.Disclaimer: Tested by an independent lab
𝐇𝐄𝐏𝐀 𝐒𝐋𝐄𝐄𝐏 𝐌𝐎𝐃𝐄: When in Auto Mode, the Vital 200S-P will automatically adjust the fan speed to protect your air quality while you rest. Levoit Original Filter is HEPA-grade while operating in Sleep Mode, as tested by an independent lab
𝐋𝐈𝐆𝐇𝐓 𝐃𝐄𝐓𝐄𝐂𝐓𝐈𝐎𝐍: The light sensor detects the brightness of the room and adjusts the display according to the ambient light. You can turn it on or off through the VeSync app.
𝐂𝐑𝐄𝐀𝐓𝐄 𝐒𝐂𝐇𝐄𝐃𝐔𝐋𝐄𝐒: Have a varied sleeping schedule Schedule exact start and end times for the Vital 200S-P, selecting which fan speed or mode you’d like the air purifier to use at different time periods, such as Pet Mode, Auto Mode or Sleep Mode
𝐒𝐌𝐀𝐑𝐓 𝐂𝐎𝐍𝐓𝐑𝐎𝐋: With the free VeSync app, you can control air purifier settings, set timers, check filter life, and connect to third-party voice assistants

TypeScript is a typed superset of JavaScript with the potential to solve many of the headaches for which JavaScript is famous. But TypeScript has a learning curve of its own, and understanding how to use it effectively takes time and practice. Using the format popularized by Effective C++ and Effective Java (both Addison-Wesley), this practical book features 83 items that give specific advice on what to do and what not to do, and how to think about the language.

Author Dan Vanderkam shows you how to apply each item’s advice through concrete examples. This book will help you advance from a beginning or intermediate user familiar with TypeScript basics to an expert who knows how to use the language well.

Updated for TypeScript 5, this second edition includes two new chapters on type-level programming and TypeScript recipes.

Learn the nuts and bolts of TypeScript’s type system Use type inference to get full safety with a minimum of type annotations Design types to make your code safer and more understandable Model complex APIs using generic types and type-level programming Understand how dependencies and type declaration files work in TypeScript Successfully migrate your JavaScript code base to TypeScript

From the brand

Explore more Typescript

or explore JavaScript

More from O’Reilly

Sharing the knowledge of experts

O’Reilly’s mission is to change the world by sharing the knowledge of innovators. For over 40 years, we’ve inspired companies and individuals to do new things (and do them better) by providing the skills and understanding that are necessary for success.

Our customers are hungry to build the innovations that propel the world forward. And we help them do just that.

Publisher ‏ : ‎ O’Reilly Media
Publication date ‏ : ‎ June 4, 2024
Edition ‏ : ‎ 2nd
Language ‏ : ‎ English
Print length ‏ : ‎ 401 pages
ISBN-10 ‏ : ‎ 1098155068
ISBN-13 ‏ : ‎ 978-1098155063
Item Weight ‏ : ‎ 2.31 pounds
Dimensions ‏ : ‎ 7.25 x 0.75 x 9.5 inches
Best Sellers Rank: #83,980 in Books (See Top 100 in Books) #4 in JavaScript Programming (Books) #20 in Microsoft Programming (Books) #93 in Programming Languages (Books)
Customer Reviews: 4.7 4.7 out of 5 stars (36) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });

The KAMRUI E3B Mini PC is a powerful mini computer equipped with the AMD Ryzen 5 processor, featuring 8 cores and 16 threads. With Zen 3 architecture, it has a 15W TDP, scalable up to 28W, and offers a base clock frequency of 2GHz, reaching up to 4.5GHz. Its single-thread performance is 25% higher than the R7 5700U, ensuring smooth everyday tasks like web browsing, document editing, and email management. This mini gaming PC includes a full-function Type-C port, supporting charging, 10Gbps data transfer, and 4K/60Hz display output for ultimate convenience. It comes with dual RAM slots (16GB DDR4 RAM) and is expandable up to 64GB (2 x 32GB DDR4 3200MHz). Additionally, it has two M.2 2280 SSD slots, one supporting M.2 NVMe/SATA and the other M.2 SATA only, both up to 2TB. Equipped with WiFi 6, this mini desktop computer delivers faster speeds up to 2402 Mbps on the 5GHz band, reducing latency and congestion, and offering double the wireless range compared to WiFi 5. Bluetooth 5.2 enhances efficient data transmission for devices running multiple applications. The GPU with 8 cores and a 2000MHz frequency provides sufficient graphics processing power while maintaining power efficiency. With DP 1.4b, HDMI 2.0, and Type-C, it supports triple 4K displays, enabling convenient multitasking. This mini PC offers comprehensive connectivity with 1x Ethernet, 2x USB3.2 Gen2 (10Gbps), 4x USB3.2 Gen1 Type-A (5Gbps), 1x USB3.2 Gen2 Type-C (supporting DP1.4, 10Gbps data transfer, PD output), 1x HDMI 2.0, 1x DP 1.4b, and 1x 3.5mm audio jack, providing robust options for connecting various devices.
Powerful Mini Computer: KAMRUI E3B Mini PC with AMD Ryzen 5 7430U (6 cores, 12 threads), Zen 3 architecture, 15W TDP, up to 28W, base clock frequency of 2.3 GHz, up to 4.3GHz. Its single-thread performance is 25% higher than the R5 5500U, which enhances the smoothness of everyday tasks that rely on single-thread performance, such as web browsing, document editing, and email management
Full-Function Type-C Port: This Mini Gaming PC includes a full-function Type-C port that supports charging, data transfer (10Gbps), and 4K/60Hz display output, providing ultimate convenience and efficiency
Expandable Memory and Storage: The KAMRUI E3B Mini Computer is equipped with dual RAM slots (comes with 16GB DDR4 RAM) and is expandable up to 64GB (2 x 32GB DDR4 3200MHz). It also has two M.2 2280 SSD slots: one supports M.2 NVMe/SATA, and the other supports M.2 SATA only, with both slots supporting up to 2TB SSDs
Stable Wireless Connection: Equipped with WiFi 6, this mini Desktop Computer delivers faster speeds, up to 2402 Mbps on the 5GHz band, reducing latency and congestion. Compared to WiFi 5, it offers double the wireless range. Bluetooth 5.2 enables more efficient data transmission, which is crucial for devices running multiple applications
Triple 4K Display: This desktop computer features an AMD Radeon RX Vega 7 GPU with 7 cores, a 1800MHz frequency, providing sufficient graphics processing power while maintaining power efficiency. With DP 1.4b, HDMI 2.0, and Type-C, it supports three 4K displays, enabling convenient multitasking
Comprehensive Connectivity: This mini pc gaming comes with 1x Ethernet, 2x USB3.2 Gen2 (10Gbps), 4x USB3.2 Gen1 Type-A (5Gbps), 1x USB3.2 Gen2 Type-C (supporting DP1.4, 10Gbps data transfer, PD output), 1x HDMI 2.0, 1x DP 1.4b, and 1x 3.5mm audio jack, giving you robust connectivity options for handling a wide range of tasks and connecting devices such as external drives, monitors, keyboards, and mice

Get in the game and be transported into the Enchanted Forest, where kids can explore motion-based learning games while seeing themselves on the screen! Be the main character or transform into a cat, dragon or armadillo. Jump, dodge, catch, fly and more through 10 fantastical games with three learning levels that support school and motor skills as kids grow. It’s learning with motion! Explore 20+ school skills to progress through 15 adventures and become the next Guardian of the Forest! Save unique game progress for up to three players. Set-up is easy. Simply plug in the system using the included HDMI and USB cables to start playing right away. Intended for ages 4-7 years. Batteries not required.
Get IN the game! Explore 25 preloaded games and adventures where YOU are the controller with three learning levels that explore math, spelling, phonics and more.
Flap wings to soar into numbers, catch glowing orbs to explore letters, race through an obstacle course to build words and so much more to explore 20+ school skills
Plug in the LeapMove system using the included HDMI and USB cables to start playing right away
Intended for ages 4-7 years; batteries not required; download additional games from the LeapFrog website
This active learning video game system is great for preschoolers and kindergarteners to explore math, spelling, phonics and more; makes an exciting unisex gift for holidays, birthdays or just because