投稿時間:2023-02-21 06:13:32 RSSフィード2023-02-21 06:00 分まとめ(17件)

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Google	カグア！Google Analytics 活用塾:事例や使い方	エクセルでトリムミーン関数を使ってみよう	https://www.kagua.biz/ikuji/bizskill/20210622.html	除外	2023-02-20 21:00:02
AWS	AWS Management Tools Blog	Moving to event-driven architectures with serverless event aggregators	https://aws.amazon.com/blogs/mt/moving-to-event-driven-architectures-with-serverless-event-aggregators/	Moving to event driven architectures with serverless event aggregatorsEvent driven architectures are gaining attention because they help organizations achieve benefits through the decoupling of services increasing scalability adding flexibility and increasing developers agility As companies grow over time they need to find ways to integrate couple multiple processes and applications which are usually owned by different teams Coupled applications work in certain scenarios where …	2023-02-20 20:43:08
Ruby	Railsタグが付けられた新着投稿 - Qiita	【Rails】映画の公式情報を取得・投稿できるようにする。「TMDb API」	https://qiita.com/00000000/items/1f76ededb5df222d0f06	rails	2023-02-21 05:36:44
海外TECH	Ars Technica	Android’s new OEM rules in India swap “requirements” with “revenue sharing”	https://arstechnica.com/?p=1918832	bundle	2023-02-20 20:06:54
海外TECH	MakeUseOf	4 Free Methods to Remove Watermarks From PDF Online	https://www.makeuseof.com/free-methods-to-remove-watermarks-pdf/	methods	2023-02-20 20:30:16
海外TECH	DEV Community	Refs is more than enough	https://dev.to/thexdev/refs-is-more-than-enough-4a2a	Refs is more than enoughThis story started when I learning React js for the first time Where I see a lot of influencers overused the React useState or generally speaking a React js state Let s be honest we ever put a React state on every HTML input we have When it has two inputs no problem occur Sometime your PM tells you to add a new feature and guest what You add more and more state Leading your application slow because of unnecessary re render And now you confuse why the application so slow even crashed on older browser or maybe Refs is the answer you looking for State The Sweat PartNo doubt React state helps us when dealing with interactive UI For example you have a filter feature You can filter your data by date category etc and display the filtered data Normally your code looks like this const Filter gt const filter setFilter useState null const fetchDataWithFilter e gt setFilter e target value Fetching data return lt div gt lt p gt Filter by filter none lt p gt lt select onChange fetchDataWithFilter filter gt lt option value monthly gt Monthly lt option gt lt option value cluster gt Cluster lt option gt lt select gt data display goes here lt div gt As the result you have beautiful and interactive filter feature At this point theres no thing wrong with this approach But what happens when you have a case like managing values inside a form State The Sour PartWhen you have a case like product entry form normally you have gt input fields If you use React state for each input field to listen for value changes it s not good because your form will re renders many times Let s imagine your client types average letters for each input field and the form should have key hits input fields re renders const ProductEntry gt States declarations return lt form gt lt input name name onKeyUp e gt setName e target value gt lt input name price onKeyUp e gt setPrice e target value gt lt input name stocks onKeyUp e gt setStocks e target value gt Rest of input fields lt form gt The benefit is you always got uptodate values where you can validate the values on the fly But you will have performance worst Refs The Healthy SweatInstead of putting states for each input fields you can use ref for getting the values without causing re renders const ProductEntry gt Refs declarations return lt form gt lt input name name ref inputNameRef gt lt input name price ref inputPriceRef gt lt input name stocks ref inputStocksRef gt Rest of input fields lt form gt With this approach no matter how much your client types in the input fields React shouldn t re renders the form The downside is you need to add extra step for process the values validate sanitize etc We can use a pattern called observer to handle the downside Instead of process the values on the fly we process it when some event fired Normally when the form is being submitted const ProductEntry gt Refs declarations const submit gt Collect all values Validate Sanitize Perform HTTP request return lt form gt lt input name name ref inputNameRef gt lt input name price ref inputPriceRef gt lt input name stocks ref inputStocksRef gt Rest of input fields lt button onClick submit gt Save Product lt button gt lt form gt So before the button is clicked no actions is running and less of re renders Objectives Use state wiselyState makes our app interactive and it s awesome When dealing with large app you should pay attention of every state change Too many re renders is not good for you app Except you isolate it so others parts not affected Use refs with observer patternIt sounds every technical but actually it s very simple concept Just run your functions when an event fired Button clicked gt run submit function Dropdown changed gt run fetchDataWithFilter function Inside those functions you can access your refs and process it as usual Use form validation libraryDon t so diligent You shouldn t to manually validate your form Use a correct library instead One of my recommendation is react hook form It implement refs and observer pattern So don t be worry of unnecessary re renders And also I have wrote a guide how to use it Form validation with react hook form M Akbar Nugroho・Aug ・ min read react Thanks for reading	2023-02-20 20:13:14
海外TECH	Engadget	Sonos' upcoming Era 300 and 100 speakers revealed in nearly full detail	https://www.engadget.com/sonos-upcoming-era-300-and-100-speakers-revealed-in-nearly-full-detail-200528043.html?src=rss	Sonos x upcoming Era and speakers revealed in nearly full detailIt s perhaps not a huge surprise that Sonos has more speakers on the way but a new report reveals what the company s next models probably look like as well as some of the specs and approximate pricing The Sonos Era and are slated to arrive in late March according to The Verge The latter is said to effectively be a replacement for the Sonos One which has been around since The Era looks similar to the One though it has a more spherical design The physical controls meanwhile appear to be on an indented bar The Era could be a little more expensive than the One Sonos is said to have bandied around a price of but it reportedly has extra features such as Bluetooth audio and USB C line in support It s believed that the Era won t have upward firing drivers though it should build on the Sonos One s performance by including a second tweeter to help deliver stereo audio and larger mid woofer for stronger bass SonosThe drum style Era meanwhile appears to have similarly indented controls and seems to be designed with spatial audio in mind It reportedly has six drivers The Verge indicated that when a pair of the Era speakers are combined with the Arc or Beam Gen soundbar ーused as rear surround speakers in this case ーthey ll deliver Atmos surround sound with upward firing audio Like the Era the is said to support Bluetooth audio and USB C line in It s anticipated that the Era will cost around which is less than the Sonos Five While the speaker reportedly supports spatial audio from Amazon Music Unlimited it s believed that Sonos has not reached an agreement to stream Apple Music s Dolby Atmos tracks directly on an Era There are workarounds involving an Apple TV K and Sonos soundbars though for the time being it seems that standalone Apple Music Dolby Atmos playback will remain an exclusive HomePod feature Both Era speakers are said to have WiFi Bluetooth and AirPlay support The report suggests they ll work with Trueplay calibration on Android phones They d be the first Sonos devices to do so nbsp Meanwhile it s expected that Sonos will separately sell a line in adaptor for USB C audio It s also understood that you ll need to buy a so called combo adapter if you want to plug in an Ethernet cable as neither speaker has a built in port In any case we should find out more details about both speakers in the coming weeks	2023-02-20 20:05:28
ニュース	BBC News - Home	New Turkey earthquake leaves three dead and people trapped under rubble in Hatay	https://www.bbc.co.uk/news/world-europe-64711228?at_medium=RSS&at_campaign=KARANGA	syria	2023-02-20 20:32:20
ビジネス	ダイヤモンド・オンライン - 新着記事	4500億円の半導体工場補助金、TSMC熊本に続く「投下先」は？有力3工場を大予想！ - 半導体 最後の賭け	https://diamond.jp/articles/-/317588		2023-02-21 05:25:00
ビジネス	ダイヤモンド・オンライン - 新着記事	トヨタはなぜパナソニックを「見捨てた」のか、70年の蜜月・愛憎・破局の全経緯【再編集】 - トヨタ「非創業家」新社長を待つ試練	https://diamond.jp/articles/-/317810	電池	2023-02-21 05:20:00
ビジネス	ダイヤモンド・オンライン - 新着記事	「地銀再編」大予想！愛知、福岡、神奈川、長野の統合ラッシュに続く“目玉案件“は？ - 銀行・信金・信組 最後の審判	https://diamond.jp/articles/-/317505	「地銀再編」大予想愛知、福岡、神奈川、長野の統合ラッシュに続く“目玉案件“は銀行・信金・信組最後の審判この年強、地方銀行業界は統合ラッシュに沸いている。	2023-02-21 05:15:00
ビジネス	ダイヤモンド・オンライン - 新着記事	薬学部「淘汰危険度」ランキング2023【56私大57薬学部】ワースト3位青森大、2位千葉科学大、1位は？ - 選ばれるクスリ	https://diamond.jp/articles/-/317889	国家試験	2023-02-21 05:10:00
ビジネス	ダイヤモンド・オンライン - 新着記事	消費者の不満投稿が多い「ネット通販・小売企業ランキング」2022下期【全9社】4位楽天、1位は？ - Diamond Premium News	https://diamond.jp/articles/-/318084	消費者の不満投稿が多い「ネット通販・小売企業ランキング」下期【全社】位楽天、位はDiamondPremiumNewsインターネット上には消費者によるネット通販や小売企業への悪評やクレームがあふれている。	2023-02-21 05:05:00
ビジネス	ダイヤモンド・オンライン - 新着記事	消費者の不満投稿が多い「ネット通販・小売企業ランキング」2022下期【トップ3】1位は？ - ＤＯＬ特別レポート	https://diamond.jp/articles/-/318081		2023-02-21 05:05:00
ビジネス	電通報 | 広告業界動向とマーケティングのコラム・ニュース	東京ゲームショウ2022に出現した地下ダンジョンの舞台裏！	https://dentsu-ho.com/articles/8482	東京ゲームショウ	2023-02-21 06:00:00
ビジネス	東洋経済オンライン	上空を飛行する｢謎の気球｣に鈍感な日本の危うさ 外国人に平然と買われる無人島は米軍基地そば | 外交・国際政治 | 東洋経済オンライン	https://toyokeizai.net/articles/-/653558?utm_source=rss&utm_medium=http&utm_campaign=link_back	小野寺五典	2023-02-21 05:40:00
ビジネス	東洋経済オンライン	マック｢PUFFY風｣新CMに苛立つ人が見落とす変化 ｢アジアのジューシー｣CMは"安易な劣化版"なのか | 外食 | 東洋経済オンライン	https://toyokeizai.net/articles/-/654058?utm_source=rss&utm_medium=http&utm_campaign=link_back	puffy	2023-02-21 05:20:00