React Native Expo

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The document discusses React Native Expo, a framework for building mobile apps using React. It describes how Expo allows developing apps using JavaScript and React and handles platform-specific code for iOS and Android. It also outlines some of Expo's features like hot reloading and libraries for camera, location and other device capabilities and explains how to get started with Expo by installing create-react-native-app and running a development server.

Technology

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React Native Expo

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(@Ryohaln)
anect Inc. (Growth Next 308 )
Web , ,

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React Native

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React Native
(iOS/Android) FW
JavaScript
View React
iOS/Android

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...

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Swi , Objective-c, Java, Kotlin
Xcode, AndoridStudio
UIKit, AndroidSDK
Storyboard, Xml Layout
Gradle, CocoaPods

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Expo
React Native
JavaScript
Xcode AndordStudio

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npm i -g create-react-native-app

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npm i -g create-react-native-app
create-react-native-app app_name
...
npm start
...

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…

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(Hot Reload)

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JavaScript

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react-native
Expo
android/, ios/

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JavaScript

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Accelerometer AdMob Amplitude AppLoading Art Asset Audio AuthSession AV
BarCodeScanner BlurView Branch Brightness Calendar Camera Constants
Contacts DeviceMotion DocumentPicker ErrorRecovery Facebook
FacebookAds FaceDetector FileSystem Fingerprint Font GestureHandler
GLView Google Gyroscope ImagePicker ImageManipulator
IntentLauncherAndroid KeepAwake LinearGradient Location Lottie
Magnetometer MailComposer MapView Notifications Payments Pedometer
Permissions registerRootComponent ScreenOrientation SecureStore
Segment Speech SQLite Svg takeSnapshotAsync Util Video WebBrowser ...

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!

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https://snack.expo.io/

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snack.expo.io
Expo
Export/Import

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PC snack.expo.io ReactNative

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Join us to learn how UiPath Apps can directly and easily interact with prebuilt connectors via Integration Service--including Salesforce, ServiceNow, Open GenAI, and more. The best part is you can achieve this without building a custom workflow! Say goodbye to the hassle of using separate automations to call APIs. By seamlessly integrating within App Studio, you can now easily streamline your workflow, while gaining direct access to our Connector Catalog of popular applications. We’ll discuss and demo the benefits of UiPath Apps and connectors including: Creating a compelling user experience for any software, without the limitations of APIs. Accelerating the app creation process, saving time and effort Enjoying high-performance CRUD (create, read, update, delete) operations, for seamless data management. Speakers: Russell Alfeche, Technology Leader, RPA at qBotic and UiPath MVP Charlie Greenberg, host

Session 1 - Intro to Robotic Process Automation.pdf

UiPathCommunity

👉 Check out our full 'Africa Series - Automation Student Developers (EN)' page to register for the full program: https://bit.ly/Automation_Student_Kickstart In this session, we shall introduce you to the world of automation, the UiPath Platform, and guide you on how to install and setup UiPath Studio on your Windows PC. 📕 Detailed agenda: What is RPA? Benefits of RPA? RPA Applications The UiPath End-to-End Automation Platform UiPath Studio CE Installation and Setup 💻 Extra training through UiPath Academy: Introduction to Automation UiPath Business Automation Platform Explore automation development with UiPath Studio 👉 Register here for our upcoming Session 2 on June 20: Introduction to UiPath Studio Fundamentals: https://community.uipath.com/events/details/uipath-lagos-presents-session-2-introduction-to-uipath-studio-fundamentals/

JavaLand 2024: Application Development Green Masterplan

Miro Wengner

Dandelion Hashtable: beyond billion requests per second on a commodity server

Antonios Katsarakis

This slide deck presents DLHT, a concurrent in-memory hashtable. Despite efforts to optimize hashtables, that go as far as sacrificing core functionality, state-of-the-art designs still incur multiple memory accesses per request and block request processing in three cases. First, most hashtables block while waiting for data to be retrieved from memory. Second, open-addressing designs, which represent the current state-of-the-art, either cannot free index slots on deletes or must block all requests to do so. Third, index resizes block every request until all objects are copied to the new index. Defying folklore wisdom, DLHT forgoes open-addressing and adopts a fully-featured and memory-aware closed-addressing design based on bounded cache-line-chaining. This design offers lock-free index operations and deletes that free slots instantly, (2) completes most requests with a single memory access, (3) utilizes software prefetching to hide memory latencies, and (4) employs a novel non-blocking and parallel resizing. In a commodity server and a memory-resident workload, DLHT surpasses 1.6B requests per second and provides 3.5x (12x) the throughput of the state-of-the-art closed-addressing (open-addressing) resizable hashtable on Gets (Deletes).

Getting the Most Out of ScyllaDB Monitoring: ShareChat's Tips

ScyllaDB

ScyllaDB monitoring provides a lot of useful information. But sometimes it’s not easy to find the root of the problem if something is wrong or even estimate the remaining capacity by the load on the cluster. This talk shares our team's practical tips on: 1) How to find the root of the problem by metrics if ScyllaDB is slow 2) How to interpret the load and plan capacity for the future 3) Compaction strategies and how to choose the right one 4) Important metrics which aren’t available in the default monitoring setup.

PRODUCT LISTING OPTIMIZATION PRESENTATION.pptx

christinelarrosa

Astute Business Solutions | Oracle Cloud Partner |

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