投稿時間:2022-10-24 13:25:56 RSSフィード2022-10-24 13:00 分まとめ(28件)

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IT	気になる、記になる…	楽天モバイル、ショップ限定で｢iPhone SE (64GB)｣が実質1円になるキャンペーンを実施中	https://taisy0.com/2022/10/24/164009.html	iphone	2022-10-24 03:56:32
IT	ITmedia 総合記事一覧	[ITmedia News] 「ヤフオク代理出品の副業」に注意　不正取引に加担する可能性	https://www.itmedia.co.jp/news/articles/2210/24/news098.html	itmedia	2022-10-24 12:45:00
IT	ITmedia 総合記事一覧	[ITmedia エンタープライズ] フードTech業界も協働ロボが進出　疲れ知らずの調理アシスタント誕生	https://www.itmedia.co.jp/enterprise/articles/2210/24/news060.html	itmedia	2022-10-24 12:30:00
IT	ITmedia 総合記事一覧	[ITmedia PC USER] ViewSonic「VA1655」はスタンド込みのモバイルディスプレイなのに700g以下を実現！　縦置きでの利用も試してみた	https://www.itmedia.co.jp/pcuser/articles/2210/24/news089.html	itmediapcuserviewsonic	2022-10-24 12:30:00
IT	ITmedia 総合記事一覧	[ITmedia News] インボイス制度の理解はOK？　「適格請求書クイズ」をSansanが提供	https://www.itmedia.co.jp/news/articles/2210/24/news096.html	itmedia	2022-10-24 12:16:00
IT	ITmedia 総合記事一覧	[ITmedia PC USER] ベンキュー、240Hz駆動に対応した27型ゲーミング液晶ディスプレイ2製品	https://www.itmedia.co.jp/pcuser/articles/2210/24/news094.html	itmediapcuser	2022-10-24 12:15:00
IT	ITmedia 総合記事一覧	[ITmedia ビジネスオンライン] 興味のある副業　3位「フリマアプリ」、2位「短期アルバイト」、1位は？	https://www.itmedia.co.jp/business/articles/2210/24/news087.html	itmedia	2022-10-24 12:10:00
IT	ITmedia 総合記事一覧	[ITmedia Mobile] ドコモの「smartあんしん補償」、従来の「ケータイ補償」と何が違う？	https://www.itmedia.co.jp/mobile/articles/2210/24/news092.html	itmediamobile	2022-10-24 12:05:00
IT	ITmedia 総合記事一覧	[ITmedia ビジネスオンライン] 9割超が「NHKの受信料は高い」と回答　「質の高い番組」だと思っている割合は？	https://www.itmedia.co.jp/business/articles/2210/24/news090.html	itmedia	2022-10-24 12:05:00
TECH	Techable（テッカブル）	低軌道衛星を使った通信サービス「Starlink」が日本上陸。KDDIが法人向けサービスを提供予定	https://techable.jp/archives/186206	spacex	2022-10-24 03:18:43
TECH	Techable（テッカブル）	SNSで求められる「心理的安全性」とは？ “素直な意見”が言える空間づくりに必要なこと	https://techable.jp/archives/186173	tieups	2022-10-24 03:00:42
AWS	AWSタグが付けられた新着投稿 - Qiita	AmazonConnect × Salesforce 連携をセットアップしてトラブルシュートした話 その２（Contact Lensのセットアップ）	https://qiita.com/Syoji_Yonemoto/items/a3e88dafcef1cafab308	amazon	2022-10-24 12:28:51
技術ブログ	Developers.IO	ECSに必要なVPCエンドポイントまとめ（2022年版）	https://dev.classmethod.jp/articles/vpc-endpoints-for-ecs-2022/	natgateway	2022-10-24 03:31:33
海外TECH	DEV Community	React: How does useMemo and useCallback work ?	https://dev.to/linhbui167/react-how-does-usememo-and-usecallback-work--4e0d	React How does useMemo and useCallback work How does useMemo and useCallback work When render a component React will process the whole Component code There might be several computed values and functions that its values only depends on few dependencies and does not need to re calculate everytime If these values require a lot of time to calculate it will let the render process down as consequent In order to improve performance React produce useMemo and useCallback Implement it quite simple const memoizedValue useMemo gt computeExpensiveValue a b a b const memoizedCallback useCallback gt doSomething a b a b The way it work are similar to each other and quite easy to understand All the code reference I mentioned in this article was translated to javascriptand cut off comments and warning parts just for shorter code and more clear Click View Source to see the original code Mount Phase First Render function mountMemo nextCreate deps const hook mountWorkInProgressHook const nextDeps deps undefined null deps const nextValue nextCreate hook memoizedState nextValue nextDeps return nextValue View Sourcefunction mountCallback callback deps const hook mountWorkInProgressHook const nextDeps deps undefined null deps hook memoizedState callback nextDeps return callback View SourceWhen component was rendered on first time useMemo will execute the create function nextCreate to get return value and then store the value and dependency list into memoizedState meanwhile useCallback store all of its inputs Update Phasefunction updateMemo nextCreate deps const hook updateWorkInProgressHook const nextDeps deps undefined null deps const prevState hook memoizedState if prevState null if nextDeps null const prevDeps prevState if areHookInputsEqual nextDeps prevDeps return prevState const nextValue nextCreate hook memoizedState nextValue nextDeps return nextValue View Sourcefunction updateCallback callback deps const hook updateWorkInProgressHook const nextDeps deps undefined null deps const prevState hook memoizedState if prevState null if nextDeps null const prevDeps prevState if areHookInputsEqual nextDeps prevDeps return prevState hook memoizedState callback nextDeps return callback View SourceWhen re render a component useMemo and useCallback will compare old dependency that was already memoized with the new one If one of those are null or they are difference result from areHookInputsEqual useMemo and useCallback will store and return the new value Otherwise return memoized value Compare hook dependency functionfunction areHookInputsEqual nextDeps prevDeps if prevDeps null return false for let i i lt prevDeps length amp amp i lt nextDeps length i if is nextDeps i prevDeps i continue return false return true View SourceReact will use Object is to compare previos and next value of dependency You may find the difference of its behavior here function is x y return x y amp amp x x y x x amp amp y y eslint disable line no self compare const objectIs typeof Object is function Object is is export default objectIs View Source FYIAs React announcement in July there might be a new Compiler that auto generate useMemo and useCallback for us You can read this post here	2022-10-24 03:24:07
海外TECH	DEV Community	How I Created Augmented Reality(AR) Web App using Only HTML	https://dev.to/varshithvhegde/how-i-created-augmented-realityar-web-app-using-only-html-3201	How I Created Augmented Reality AR Web App using Only HTML What is Augmented Reality AR Augmented Reality AR is a technology that superimposes a computer generated image on a user s view of the real world thus providing a composite view It is related to a more general concept called mediated reality in which a view of reality is modified possibly even diminished rather than augmented by a computer As a result the technology functions by enhancing one s current perception of reality AR can be defined as a system that fulfills the following criteria simultaneously The system must be able to perceive its environment The system must be able to analyze or process the information it perceives Why I Created Augmented Reality AR Web App I working on an AR furniture App called Touch Reno and it was like a startup When we pitched our idea to the investors they were like It s a great idea but we don t have any idea how it works So I decided to create a simple AR Web App to show them how it works So that they can view what is AR without actually downloading any app How to Create After some intensive research I found that AR jsIt uses A Frame which is a web framework for building virtual reality experiences Main part of this AR js marker Marker is a pattern that is recognized by the AR js library It is a pattern that is printed on a paper and then it is used to recognize the object in the real world WorkingFirst we need to create a marker or just download from here Marker Step Create a new file and name it index htmlAdd the following code to the file lt doctype HTML gt lt html gt lt style lang en type text css id night mode pro style gt body background color transparent lt style gt lt link type text css rel stylesheet id night mode pro link gt lt head gt lt title gt AR lt title gt lt link rel shortcut icon href type image x icon gt lt meta name viewport content width device width user scalable yes minimum scale maximum scale gt lt script src gt lt script gt lt script src gt lt script gt lt script src gt lt script gt lt head gt lt lt body gt lt a scene embedded arjs detectionMode mono and matrix matrixCodeType x gt lt include assets like D models and give them an id to use later gt lt a assets gt lt a assets item id dinosaur src gt lt a assets item gt lt a assets item id robot src gt lt a assets item gt lt a assets gt lt recognise different barcode markers ad show digital objects box sphere cylinder D model image video anything gt lt a marker type barcode value gt lt lt a box material color red scale gt lt a box gt gt lt a entity position scale rotation animation mixer gltf model robot gt lt a entity gt lt a marker gt lt a marker type barcode value gt lt a entity position scale rotation animation mixer gltf model robot gt lt a entity gt lt a marker gt lt a marker type barcode value gt lt a cylinder color FFCD scale gt lt a cylinder gt lt a marker gt lt a marker type barcode value gt lt a entity position scale rotation gltf model dinosaur gt lt a entity gt lt a marker gt lt adding the camera gt lt a entity camera gt lt a entity gt lt a scene gt lt body gt lt html gt Here we are using a scene tag which is a container for all the D objects in the scene We are using a marker tag which is used to detect the marker We are using a assets tag which is used to load the D models We are using a entity tag which is used to add the D models to the scene We are using a camera tag which is used to add the camera to the scene We are using a box tag which is used to add the box to the scene We are using a cylinder tag which is used to add the cylinder to the scene Step Just save the file and open it in the browser Download the Marker and print it Then focus the camera on the marker and you will see the D model Demo Video user images githubusercontent com ConclusionI hope you enjoyed this tutorial If you have any questions feel free to ask in the comments section below Comment your thoughts and suggestions below Code is available on my Github Varshithvhegde Arweb ArwebMarkerMarkerMarkerDemo Video Screenrecording mp View on GitHubFor Live Demo Click Here	2022-10-24 03:22:21
医療系	医療介護 CBnews	9月の熱中症搬送4,931人、半数近くが高齢者-総務省消防庁が確定値の概要公表	https://www.cbnews.jp/news/entry/20221024121050	救急搬送	2022-10-24 12:30:00
金融	日本銀行：RSS	日本銀行金融研究所ファイナンス・ワークショップの開催について	http://www.boj.or.jp/announcements/release_2022/rel221024b.htm	日本銀行金融研究所	2022-10-24 13:00:00
海外ニュース	Japan Times latest articles	Japan accelerates boat safety review six months after fatal Hokkaido accident	https://www.japantimes.co.jp/news/2022/10/24/national/boat-safety/	Japan accelerates boat safety review six months after fatal Hokkaido accidentThe transport ministry aims to decide details by year end and submit legislation for the revision at next year s ordinary session of the parliament	2022-10-24 12:29:39
海外ニュース	Japan Times latest articles	China’s leader now wields formidable power. Who will say no to him?	https://www.japantimes.co.jp/news/2022/10/24/asia-pacific/politics-diplomacy-asia-pacific/xi-jinping-loyalists/	China s leader now wields formidable power Who will say no to him Xi Jinping has created a new ruling elite packed with loyalist officials primed to elevate his agenda of bolstering national security and of turning China	2022-10-24 12:24:06
海外ニュース	Japan Times latest articles	Duty-free sales jump by up to twentyfold at Japan’s department stores	https://www.japantimes.co.jp/news/2022/10/24/business/economy-business/duty-free-sales/	Duty free sales jump by up to twentyfold at Japan s department storesCompetition is seen heating up further in the Japanese retail industry amid efforts to respond to such demand from inbound tourists	2022-10-24 12:12:40
海外ニュース	Japan Times latest articles	World champion Kaori Sakamoto wins women’s title at Skate America	https://www.japantimes.co.jp/sports/2022/10/24/figure-skating/skate-america-sakamoto/	World champion Kaori Sakamoto wins women s title at Skate AmericaTop after the short program Sakamoto also came first in the free skate scoring for her first title abroad in the Grand Prix series	2022-10-24 12:18:54
ビジネス	ダイヤモンド・オンライン - 新着記事	【社説】カトリック教会と中国共産党 - WSJ発	https://diamond.jp/articles/-/311788	中国共産党	2022-10-24 12:17:00
北海道	北海道新聞	東証、午前終値２万７１５６円　米利上げ減速期待で買い	https://www.hokkaido-np.co.jp/article/749889/	日経平均株価	2022-10-24 12:16:00
北海道	北海道新聞	米ＮＢＡ、八村は１６得点　キャバリアーズ戦	https://www.hokkaido-np.co.jp/article/749885/	得点	2022-10-24 12:02:00
北海道	北海道新聞	中国の７～９月ＧＤＰ３・９％増　通年目標、達成困難に	https://www.hokkaido-np.co.jp/article/749884/	中国国家統計局	2022-10-24 12:02:00
IT	週刊アスキー	ローソン、店内の厨房スペースで調理した惣菜5品を10月25日から発売！	https://weekly.ascii.jp/elem/000/004/110/4110083/	販売	2022-10-24 12:45:00
IT	週刊アスキー	ポムポムプリンとコラボ！　銚子丸の46周年記念イベント「銚子丸創業祭」を11月1日より開催	https://weekly.ascii.jp/elem/000/004/110/4110072/	銚子丸	2022-10-24 12:30:00
IT	週刊アスキー	SNSでバズった「禁断の雪見トースト」がケーキになって商品化！ 雪見だいふく×Pasco	https://weekly.ascii.jp/elem/000/004/110/4110084/	pasco	2022-10-24 12:30:00