投稿時間:2023-04-16 15:05:31 RSSフィード2023-04-16 15:00 分まとめ(7件)
カテゴリー等 | サイト名等 | 記事タイトル・トレンドワード等 | リンクURL | 頻出ワード・要約等/検索ボリューム | 登録日 |
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IT | InfoQ | AWS Lambda Introduces Response Payload Streaming | https://www.infoq.com/news/2023/04/aws-lambda-response-streaming/?utm_campaign=infoq_content&utm_source=infoq&utm_medium=feed&utm_term=global | AWS Lambda Introduces Response Payload StreamingAmazon recently announced that AWS Lambda functions can progressively stream response payloads back to the client The new feature improves performance for web and mobile applications and is currently available for Node js x and newer runtimes as well as custom ones By Renato Losio | 2023-04-16 05:32:00 |
Ruby | Rubyタグが付けられた新着投稿 - Qiita | 【Rails】hamlの導入方法 | https://qiita.com/kokub0303/items/f5ba8fcfad58e2eb0f4a | rails | 2023-04-16 14:26:36 |
AWS | AWSタグが付けられた新着投稿 - Qiita | AWS IoTハンズオンでIoTアプリケーション作成 | https://qiita.com/kennyQiita/items/36da6d57f48b22a0fc0c | awsiot | 2023-04-16 14:00:21 |
Docker | dockerタグが付けられた新着投稿 - Qiita | wsl2+DockerでhtmlフォルダをマウントしてWindowsから編集できるようにする | https://qiita.com/flatwhite/items/70b6750d13f70eb06c64 | docker | 2023-04-16 14:21:41 |
Ruby | Railsタグが付けられた新着投稿 - Qiita | 【Rails】hamlの導入方法 | https://qiita.com/kokub0303/items/f5ba8fcfad58e2eb0f4a | rails | 2023-04-16 14:26:36 |
海外TECH | DEV Community | Add Geo-search to your website/app in just 9 lines of code | https://dev.to/ruppysuppy/add-geo-search-to-your-websiteapp-in-just-9-lines-of-code-4kp4 | Add Geo search to your website app in just lines of codeEver wanted to add advanced features like geo search to your website or app but the process felt too overwhelming Well I will let you in on a trade secret It can be done with JUST LINES OF CODE using Firestore Let s get started Add Geo hash to your dataBefore you can use geo search you would need to add one additional field to your data called geohash To generate the geohash you can use a library called geofire common npm install geofire commonThe geohashForLocation function accepts the latitude and longitude as input and returns a geohash for the location await setDoc doc db cities LA name Los Angeles lat long store geohash geohash geofire geohashForLocation lat lng NOTE The geofire library is available for Swift Kotlin and Java too thus enabling you to use it in your mobile apps as well Querying locations within a radiusAfter adding the geohash to your data you can now start querying locations from the database const getCitiesWithinRadius async radiusInM number center number number gt const bounds geofire geohashQueryBounds center radiusInM const promises for const bound of bounds const q query collection db cities orderBy geoHash startAt bound endAt bound promises push getDocs q const snapShots await Promise all promises const cities snapShots flatMap snapShot gt snapShot docs map doc gt doc data return cities The getCitiesWithinRadius will accept the radius in meters and the coordinates latitude amp longitude as input amp return all the cities within the specified radius NOTE To keep the code clean amp easy to read the lines have been broken into several more lines if clean code isn t your thing you can even use a one liner LimitationsAs Firebase docs put it Edge Cases this query method relies on estimating the distance between lines of longitude latitude The accuracy of this estimate decreases as points get closer to the North or South Pole which means Geohash queries have more false positives at extreme latitudes To remove the false positives you can use the distanceBetween function from the geofire common library to filter out the cities that are outside the radius which would require additional computation const filteredCities cities filter city gt const distanceInM geofire distanceBetween city lat city long center return distanceInM lt radiusInM return filteredCities Wrapping upCongratulations Now location based search is no longer rocket science but just a few lines of code away The world is your playground PS A huge shout out to my friend Bikram for digging into the Firebase docs amp sniffing out this incredible feature Thanks for readingNeed a Top Rated Front End Development Freelancer to chop away your development woes Contact me on UpworkWant to see what I am working on Check out my Personal Website and GitHubWant to connect Reach out to me on LinkedInFollow me on Instagram to check out what I am up to recently Follow my blogs for bi weekly new Tidbits on DevFAQThese are a few commonly asked questions I get So I hope this FAQ section solves your issues I am a beginner how should I learn Front End Web Dev Look into the following articles Front End Development RoadmapFront End Project IdeasWould you mentor me Sorry I am already under a lot of workload and would not have the time to mentor anyone | 2023-04-16 05:46:13 |
ニュース | BBC News - Home | Atiq Ahmed: Former Indian politician and brother shot dead live on TV | https://www.bbc.co.uk/news/world-asia-india-65290042?at_medium=RSS&at_campaign=KARANGA | escort | 2023-04-16 05:05:16 |
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