投稿時間:2022-09-19 08:12:17 RSSフィード2022-09-19 08:00 分まとめ(13件)

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IT	ITmedia 総合記事一覧	[ITmedia News] 「GTA 6」（仮）のコードとプレイ動画流出か　YouTubeはTake Twoの要請で削除済み	https://www.itmedia.co.jp/news/articles/2209/19/news041.html	itmedia	2022-09-19 07:31:00
js	JavaScriptタグが付けられた新着投稿 - Qiita	高専Wordleを作ってみた	https://qiita.com/trimscash/items/5c687c94b98d46be62c0	自分語り	2022-09-19 07:48:15
Ruby	Railsタグが付けられた新着投稿 - Qiita	🔰【rails】テーブルから「レコード取得」➡「レコードの値を抽出」に役立つメソッド	https://qiita.com/aono1234/items/2cc0bfc2a5deae1e96c6	rails	2022-09-19 07:57:00
海外TECH	DEV Community	Deleting an Item in an Array at a Specific Index	https://dev.to/smpnjn/deleting-an-item-in-an-array-at-a-specific-index-3mif	Deleting an Item in an Array at a Specific IndexIn a previous article I covered how to insert items into an array at a specific index so now let s look at how to delete items Arrays which are common data structures in Javascript look a little like this let myArray some array content They are a way to store data which is commonly used throughout Javascript If we want to delete items from an array we can use the splice method that all arrays have Let s look at how it works Deleting Items from an ArrayIf you just want to delete an item from an array you only have to use splice with two arguments The first is the index you want to start from and the second is how many items you want to delete For example if we want to delete items starting at index from our array we d do the following let myArray some array content myArray splice Will return content console log myArray As you might ve noticed splice actually alters the original array So be careful when doing this as a copy of the original will not be made Here are some other examples to consider myArray splice Removes one item at index myArray splice Removes items at index i e from the start of the array Deleting Items from an Array by ValueIn a similar vein we can also delete an item from an array by value but this is a little bit more tricky We have to use both indexOf and splice for this to work First we get the index of the item we want to delete by value using indexOf Then we use that number to delete the array item Here s an example We want to delete the item ravioli from our array below First we get the index of that item using arr indexOf ravioli This will return since that is the index of ravioli in our array Then we use that number to splice out one element at that index using splice itemIndex Now ravioli is removed from our array let arr potato banana ravioli carrot let itemIndex arr indexOf ravioli Returns potato banana carrot since ravioli has an index of arr splice itemIndex console log arr Delete the last item from an ArrayIf all you want to do is delete the last item from an array in Javascript use pop The pop method is an easy way to delete only the last element in an array Just like splice it mutates your original array so a copy of your original array will not be kept let arr potato banana ravioli carrot Returns carrot console log arr pop Returns potato banana ravioli console log arr	2022-09-18 22:26:22
海外TECH	DEV Community	React - Hooks as Optional Parameters	https://dev.to/noriller/hooks-as-optional-parameters-5e26	React Hooks as Optional ParametersYou can put hooks as parameters but should you And why would you want to do that Here s a Sandbox with me playing around But basically it s like this function WeirdComponent hook useHook hook useAnotherHook hook return lt div gt lt div gt hook lt div gt lt div gt hook lt div gt lt div gt function useHook return hook function useAnotherHook value return value default value And this will work exactly as if you would add the hooks inside the component But why would you do it Back when I realized it was possible I used it as a way to simplify unit testing of some components This let me just pass the values I wanted without having to mock the hook Another surprising thing you can do is to inject a different hook depending on whatever you want and change a component compartment changing only the hook Should you Probably not Maybe there s some niche use of this but whatever you can do this way you can do it in another way If you have an idea for a use case of doing this I would love to know about it Cover Photo by Grant Durr on Unsplash	2022-09-18 22:15:31
Apple	AppleInsider - Frontpage News	Long iPhone 14 Pro lead times hint at sky-high demand	https://appleinsider.com/articles/22/09/18/long-iphone-14-pro-lead-times-hint-at-sky-high-demand?utm_medium=rss	Long iPhone Pro lead times hint at sky high demandConsumer demand for the iPhone Pro models are high compared to those of the iPhone Pro range analysis of availability indicates while sales of the Apple Watch Ultra are considered to be quite robust The lead times for the currently released iPhones are short for the standard iPhone but remain extended for the Pro models according to JP Morgan s Apple Product Availability Tracker In the second week of tracking delivery timings across multiple regions it seems that consumers can get an iPhone delivered in an average of just three days The note to investors seen by AppleInsider adds the iPhone Pro has a day average delivery time and the Pro Max is at days The iPhone Plus has a delivery time set at days but the note warns that availability begins for that model from October Read more	2022-09-18 22:25:30
海外TECH	Engadget	All iPhone 15 models will reportedly feature Dynamic Island display cutouts	https://www.engadget.com/all-iphone-15-models-will-reportedly-feature-dynamic-island-cutouts-222957434.html?src=rss	All iPhone models will reportedly feature Dynamic Island display cutoutsThe entire iPhone lineup will reportedly include the iPhone Pro s Dynamic Island In a tweet spotted by MacRumors display analyst Ross Young said he expects Apple to make the screen cutout standard on all iPhones Additionally the company will reportedly keep its ProMotion Hz display technology exclusive to Pro variants due to a supply chain that “can t support the feature on more affordable models In a subsequent tweet Young said Apple is likelier to trickle down the technology to less expensive iPhones in Making the Dynamic Island standard on every new iPhone moving forward would make a lot of sense for Apple particularly to encourage developers to take advantage of the feature Some apps already use the cutout for fun features Once iOS arrives later this year Dynamic Island will also work with Apple s Live Activities API It s also a feature that would make the standard iPhone more appealing to consumers holding onto their current device While the iPhone was a big upgrade over the iPhone the iPhone and iPhone have been less exciting There s not much reason to buy the latest one unless you re coming from an iPhone several years old and that s not great for Apple s bottom line Yes Dynamic Island expected on standard models on the Still not expecting Hz LTPO on standard models as supply chain can t support it ーRoss Young DSCCRoss September	2022-09-18 22:29:57
海外ニュース	Japan Times latest articles	Pitch black: A therapeutic walk into total darkness	https://www.japantimes.co.jp/life/2022/09/19/lifestyle/japan-night-walking-tours/	japan	2022-09-19 07:30:54
ニュース	BBC News - Home	Queen's funeral: Queue for Queen's coffin closed to new entrants	https://www.bbc.co.uk/news/uk-62951092?at_medium=RSS&at_campaign=KARANGA	entrantsmany	2022-09-18 22:03:34
ニュース	BBC News - Home	The Papers: 'Our last farewell' and 'thank you ma'am'	https://www.bbc.co.uk/news/blogs-the-papers-62950957?at_medium=RSS&at_campaign=KARANGA	westminster	2022-09-18 22:36:16
ニュース	BBC News - Home	Chelsea and Man City stutter as WSL makes electric return	https://www.bbc.co.uk/sport/football/62950270?at_medium=RSS&at_campaign=KARANGA	sanders	2022-09-18 22:18:52
北海道	北海道新聞	厳戒の中、英女王国葬迫る　各国元首ら、国王へ弔問	https://www.hokkaido-np.co.jp/article/733123/	弔問	2022-09-19 07:20:00
ビジネス	東洋経済オンライン	絶好調の水産大手､問われる｢高騰後｣のシナリオ マルハ､ニッスイ､極洋は海外や養殖に本腰 | 食品 | 東洋経済オンライン	https://toyokeizai.net/articles/-/619130?utm_source=rss&utm_medium=http&utm_campaign=link_back	東洋経済オンライン	2022-09-19 07:30:00