投稿時間:2023-02-18 21:11:05 RSSフィード2023-02-18 21:00 分まとめ(12件)

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python	Pythonタグが付けられた新着投稿 - Qiita	WindowsによるPython入門 #04: 数値	https://qiita.com/PythonMan/items/3b90d7f9c3028543125e	windows	2023-02-18 20:03:24
Docker	dockerタグが付けられた新着投稿 - Qiita	【Docker】docker-composeコマンド	https://qiita.com/sekkey_777/items/7307b3236680fb29d435	docker	2023-02-18 20:44:44
Azure	Azureタグが付けられた新着投稿 - Qiita	Azure Functions の Easy Auth で Azure REST API をユーザー権限で実行する環境を .NET で作ってみた	https://qiita.com/mnrst/items/9e2c55cd809bb0e72b2e	azureresta	2023-02-18 20:04:56
Git	Gitタグが付けられた新着投稿 - Qiita	GitHubに彩りを	https://qiita.com/l-syota/items/9769dc1d108c3be475c5	github	2023-02-18 20:16:28
海外TECH	DEV Community	Redux-like state container in SwiftUI. Derived stores.	https://dev.to/sergeyleschev/redux-like-state-container-in-swiftui-derived-stores-2d62	Redux like state container in SwiftUI Derived stores Another way of composition that should simplify our architecture is derived stores I don t want to expose the whole app state to every view or update views on not related state updates import SwiftUIstruct RootView View EnvironmentObject var store Store lt AppState AppAction gt var body some View TabView NavigationView SummaryContainerView navigationBarTitle today environmentObject store derived deriveState summary deriveAction AppAction summary tabItem Image systemName heart fill imageScale large Text today NavigationView TrendsContainerView navigationBarTitle trends environmentObject store derived deriveState trends deriveAction AppAction trends tabItem Image systemName chevron up circle fill imageScale large Text trends Every tab of my app gets its part of the state via the derived store We still use the global store to handle all the state mutation Derived store works as a pipeline that allows us to transform the state from the global store and redirect actions to the global store Let s take a look at how we can implement the derived method for our Store class func derived lt DerivedState Equatable ExtractedAction gt deriveState escaping State gt DerivedState embedAction escaping ExtractedAction gt Action gt Store lt DerivedState ExtractedAction gt let store Store lt DerivedState ExtractedAction gt initialState deriveState state reducer Reducer action in self send embedAction action return Empty eraseToAnyPublisher environment state map deriveState removeDuplicates receive on DispatchQueue main assign to amp store state return store Redux provides a single source of truth which eliminates tons of bugs produced by multiple states across the app Best practices Normalization and composition keep our app state simple and maintainable State normalization State composition Reducer composition Derived stores ContactsI have a clear focus on time to market and don t prioritize technical debt And I took part in the Pre Sale RFX activity as a System Architect assessment efforts for Mobile iOS Swift Android Kotlin Frontend React TypeScript and Backend NodeJS NET PHP Kafka SQL NoSQL And I also formed the work of Pre Sale as a CTO from Opportunity to Proposal via knowledge transfer to Successful Delivery ️ startups management cto swift typescript databaseEmail sergey leschev gmail comLinkedIn LeetCode Twitter Github Website	2023-02-18 11:46:23
海外TECH	DEV Community	Redux-like state container in SwiftUI. Reducer composition.	https://dev.to/sergeyleschev/redux-like-state-container-in-swiftui-reducer-composition-3j0m	Redux like state container in SwiftUI Reducer composition Important component of Redux like state container is Reducer We can extract and compose it as we do with state struct It will allow us to respect a Single Responsibility principle and keep our reducers small and clean enum AppAction case calendar action CalendarAction case trends action TrendsAction func trendsReducer state inout TrendsState action TrendsAction gt AnyPublisher lt TrendsAction Never gt Implement your state changes here func calendarReducer state inout CalendarState action CalendarAction gt AnyPublisher lt CalendarAction Never gt Implement your state changes here func appReducer state inout AppState action AppAction gt AnyPublisher lt AppAction Never gt switch action case let calendar action return calendarReducer amp state calendar action map AppAction calendar eraseToAnyPublisher case let trends action trendsReducer amp state trends action map AppAction trends eraseToAnyPublisher return Empty eraseToAnyPublisher Redux provides a single source of truth which eliminates tons of bugs produced by multiple states across the app Best practices Normalization and composition keep our app state simple and maintainable State normalization State composition Reducer composition Derived stores ContactsI have a clear focus on time to market and don t prioritize technical debt And I took part in the Pre Sale RFX activity as a System Architect assessment efforts for Mobile iOS Swift Android Kotlin Frontend React TypeScript and Backend NodeJS NET PHP Kafka SQL NoSQL And I also formed the work of Pre Sale as a CTO from Opportunity to Proposal via knowledge transfer to Successful Delivery ️ startups management cto swift typescript databaseEmail sergey leschev gmail comLinkedIn LeetCode Twitter Github Website	2023-02-18 11:41:56
海外TECH	DEV Community	Redux-like state container in SwiftUI. State composition.	https://dev.to/sergeyleschev/redux-like-state-container-in-swiftui-state-composition-57e5	Redux like state container in SwiftUI State composition It is very natural to store your app s state as a single struct but it simply can blow up as soon as you add more and more fields to your state struct We can use state composition to solve this issue Let s take a look at the example struct AppState var calendar CalendarState var trends TrendsState var settings SettingState In the example above we divide our state into three dedicated pieces and compose them into AppState Redux provides a single source of truth which eliminates tons of bugs produced by multiple states across the app Best practices Normalization and composition keep our app state simple and maintainable State normalization State composition Reducer composition Derived stores ContactsI have a clear focus on time to market and don t prioritize technical debt And I took part in the Pre Sale RFX activity as a System Architect assessment efforts for Mobile iOS Swift Android Kotlin Frontend React TypeScript and Backend NodeJS NET PHP Kafka SQL NoSQL And I also formed the work of Pre Sale as a CTO from Opportunity to Proposal via knowledge transfer to Successful Delivery ️ startups management cto swift typescript databaseEmail sergey leschev gmail comLinkedIn LeetCode Twitter Github Website	2023-02-18 11:39:15
海外TECH	DEV Community	Redux-like state container in SwiftUI. State normalization.	https://dev.to/sergeyleschev/redux-like-state-container-in-swiftui-state-normalization-108o	Redux like state container in SwiftUI State normalization Redux stores the whole app s state as a single source of truth It allows us to keep our User Interface in sync with the app state But to achieve this we have to normalize our state Let s take a look at the example struct AppState var allTasks Task var favorited Task Here we have an AppState struct which stores a task list and favorited tasks It looks straightforward but it has one big downside Assume that you have the edit task screen where you can modify the selected task Whenever the user hits the save button you have to find and update a particular task in the allTasks list and favorited list It can be error prone and lead to a performance issue as soon as you have a long list of tasks Let s improve performance by normalizing our state struct First of all we need to store our tasks in Dictionary where task id is the key and task itself is the value Dictionary can retrieve the value by key in constant O time but it doesn t keep the order We can create an array with ids to save the order Let s take a look at the normalized version of our state struct AppState var tasks Int Task var allTasks Int var favorited Int As you can see in the example above we store our tasks in the Dictionary where task id is the key and the task is the value We also store arrays of identifiers for all tasks and favorited ones By using identifiers instead of copies we achieve a centralized state persistence which keeps our User Interface and data in sync Redux provides a single source of truth which eliminates tons of bugs produced by multiple states across the app Best practices Normalization and composition keep our app state simple and maintainable State normalization State composition Reducer composition Derived stores ContactsI have a clear focus on time to market and don t prioritize technical debt And I took part in the Pre Sale RFX activity as a System Architect assessment efforts for Mobile iOS Swift Android Kotlin Frontend React TypeScript and Backend NodeJS NET PHP Kafka SQL NoSQL And I also formed the work of Pre Sale as a CTO from Opportunity to Proposal via knowledge transfer to Successful Delivery ️ startups management cto swift typescript databaseEmail sergey leschev gmail comLinkedIn LeetCode Twitter Github Website	2023-02-18 11:36:00
海外ニュース	Japan Times latest articles	Top G7 diplomats meet in Germany ahead of first anniversary of Ukraine war	https://www.japantimes.co.jp/news/2023/02/18/national/politics-diplomacy/g7-russia-ukraine-war-meet/	Top G diplomats meet in Germany ahead of first anniversary of Ukraine warThe meeting is the first in person foreign ministerial talks to be chaired by Japan since it assumed the rotating G presidency	2023-02-18 20:28:09
ニュース	BBC News - Home	Christian Atsu found dead after Turkey earthquake	https://www.bbc.co.uk/sport/football/64687384?at_medium=RSS&at_campaign=KARANGA	agent	2023-02-18 11:01:00
ニュース	BBC News - Home	Why is the UK economy lagging behind the US, Germany and others?	https://www.bbc.co.uk/news/business-64661791?at_medium=RSS&at_campaign=KARANGA	brexit	2023-02-18 11:28:26
ニュース	BBC News - Home	World Club Challenge: Penrith Panthers 12-13 St Helens - Super League champions stun NRL premiers	https://www.bbc.co.uk/sport/rugby-league/64666651?at_medium=RSS&at_campaign=KARANGA	World Club Challenge Penrith Panthers St Helens Super League champions stun NRL premiersSt Helens upset National Rugby League champions Penrith to become the first Super League side to win the World Club Challenge in Australia since	2023-02-18 11:05:51