RxJS Subjects for human beings
I have already published an article on the subject, but this time I want to take a different approach. The easiest way to understand what Subject is is to re-create one. Let’s create a simple version of Subject . Let’s look at the facts. Subject is both an Observable and Observer Subject is ObservableIt means he has all the operators (map, filter, etc. ) and you can subscribe to him. That’s all yo
[Rx入門] Subject詳解 / Hotãªã€ColdãªObservableã®ã“㨠- Qiita
ã“ã®è¨˜äº‹ã¯ã€æ—¢ã«Rxをゴリゴリ動ã‹ã—ã¦ãƒªã‚¢ã‚¯ãƒ†ã‚£ãƒ–ãªä¸–ç•Œã‚’å ªèƒ½ã—ã¦ã‚‹äººã‚ãŸã‚Šã‚’対象ã«ã—ã¦ã„ã¾ã™ã€‚ Subject!!!! Rxã«ã¯Subjectã¨ã„ã†ã‚‚ã®ãŒã‚ã‚Šã¾ã™ã€‚今回ã¯ã“ã®Subjectã‚’ä¸å¿ƒã«Rxã®ã“ã¨ã‚’é©å½“ã«è©±ã—ã¾ã™ã€‚ Subjectã£ã¦ãªã« Subjectã¯æ—¢ã«è‰²ã‚“ãªå ´æ‰€ã§è§£èª¬ã•ã‚Œã¦ã„ã‚‹ã¨ãŠã‚Šã€IObservable<T>インターフェースã¨IObserver<T>インターフェースを両方実装ã—ãŸã‚¯ãƒ©ã‚¹ã§ã™ã€‚ã¨ã„ã£ã¦ã‚‚全然分ã‹ã‚‰ãªã„ã®ã§ã€ã•ã£ã•ã¨å‹•ã‹ã—ã¦ã¿ã¾ã—ょã†ã€‚ public static void Main() { // subjectã‚’ã¤ãã‚‹ var subject = new Subject<int>(); // subjectã‚’è³¼èªã™ã‚‹ var disposable = subject.Subscribe( x => WriteLine($"OnNext: { x }")
![[Rx入門] Subject詳解 / Hotãªã€ColdãªObservableã®ã“㨠- Qiita](https://cdn-ak-scissors.b.st-hatena.com/image/square/34d0acfd33d88e8e2056fc42bbbd1bd9dcc8bb75/height=288;version=1;width=512/https%3A%2F%2Fqiita-user-contents.imgix.net%2Fhttps%253A%252F%252Fqiita-user-contents.imgix.net%252Fhttps%25253A%25252F%25252Fcdn.qiita.com%25252Fassets%25252Fpublic%25252Farticle-ogp-background-afbab5eb44e0b055cce1258705637a91.png%253Fixlib%253Drb-4.0.0%2526w%253D1200%2526blend64%253DaHR0cHM6Ly9xaWl0YS11c2VyLXByb2ZpbGUtaW1hZ2VzLmltZ2l4Lm5ldC9odHRwcyUzQSUyRiUyRnFpaXRhLWltYWdlLXN0b3JlLnMzLmFtYXpvbmF3cy5jb20lMkYwJTJGMTUzNDklMkZwcm9maWxlLWltYWdlcyUyRjE0NzM2ODQyNTQ_aXhsaWI9cmItNC4wLjAmYXI9MSUzQTEmZml0PWNyb3AmbWFzaz1lbGxpcHNlJmZtPXBuZzMyJnM9ODcwZTUzYjgzMDE3MDg0MGE3NmVhMmMyNTMyMDIyY2U%2526blend-x%253D120%2526blend-y%253D467%2526blend-w%253D82%2526blend-h%253D82%2526blend-mode%253Dnormal%2526s%253D6b5eda59845ffe77a6f9123d4a816a34%3Fixlib%3Drb-4.0.0%26w%3D1200%26fm%3Djpg%26mark64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTk2MCZoPTMyNCZ0eHQ9JTVCUnglRTUlODUlQTUlRTklOTYlODAlNUQlMjBTdWJqZWN0JUU4JUE5JUIzJUU4JUE3JUEzJTIwJTJGJTIwSG90JUUzJTgxJUFBJUUzJTgwJTgxQ29sZCVFMyU4MSVBQU9ic2VydmFibGUlRTMlODElQUUlRTMlODElOTMlRTMlODElQTgmdHh0LWFsaWduPWxlZnQlMkN0b3AmdHh0LWNvbG9yPSUyMzFFMjEyMSZ0eHQtZm9udD1IaXJhZ2lubyUyMFNhbnMlMjBXNiZ0eHQtc2l6ZT01NiZ0eHQtcGFkPTAmcz1iZjMyOTI0ZGI2YzI0ODNkNTFiM2FmMzZjMjQxMzRiYQ%26mark-x%3D120%26mark-y%3D112%26blend64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTgzOCZoPTU4JnR4dD0lNDBhY3BsZSU0MGdpdGh1YiZ0eHQtY29sb3I9JTIzMUUyMTIxJnR4dC1mb250PUhpcmFnaW5vJTIwU2FucyUyMFc2JnR4dC1zaXplPTM2JnR4dC1wYWQ9MCZzPTJkY2EwNzU1MzU1ODFlZDRjNDI3NzE3MDdmMjE1OWE1%26blend-x%3D242%26blend-y%3D480%26blend-w%3D838%26blend-h%3D46%26blend-fit%3Dcrop%26blend-crop%3Dleft%252Cbottom%26blend-mode%3Dnormal%26s%3D38d6a2739f97e0cf7d2af50f8b6a0b70)
RxJS — Six Operators That you Must Know
Subscribe to Observables in order but only when the previous completes, let me know, then move to the next one. Use this operator when the order is important, for example when you need to send HTTP requests that should be in order. 2. forkJoin —forkJoin is the Promise.all() of Rx. Don’t let me know until all the Observables are complete, then give me all the values at once. ( Array ) First, let’s
詳解RxJava2：Backpressureã§æµé€Ÿåˆ¶å¾¡ - Qiita
追記：記事ã®ã‚¿ã‚¤ãƒˆãƒ«ãŒRxJava 2.xを対象ã«ã—ã¦ã„るよã†ã«è¦‹ãˆã¾ã™ãŒã€æ£ç¢ºã«ã¯è©³è§£RxJava 1.xã®2本目ã§ã™ï¼žï¼œ è¬è¾žï¼šãƒãƒ¼ãƒ ã§ã¯æœ¬å½“ã«è‡ªç”±ã«RxJavaを使ã‚ã›ã¦ã‚‚らã£ã¦ã„ã¦ã€ä»Šå›žã®è¨˜äº‹ã®å†…容も実際ã«ã‚¢ãƒ—リã§Reactiveãªè¡¨ç¤ºæ›´æ–°ãƒã‚¸ãƒƒã‚¯ã‚’書ã“ã†ã¨ã—ã¦ç¿’å¾—ã—ãŸã‚‚ã®ã§ã™ã€‚ ã“ã®è¨˜äº‹ã§ã¯RxJavaã®Backpressureã®ä»•çµ„ã¿ã«ã¤ã„ã¦èª¬æ˜Žã—ã¤ã¤ã€Backpressureを使ã£ã¦å•é¡Œã‚’ã†ã¾ã解決ã§ãるパターンを紹介ã—ã¾ã™ã€‚深夜テンションã§ä¸€éƒ¨ãŠè¦‹è‹¦ã—ã„点ãŒã”ã–ã„ã¾ã™ãŒãŠè¨±ã—ãã ã•ã„。 ã“ã‚Œã¾ã§ã®ã‚らã™ã˜ RxJavaã«3æ—¥ã§å…¥é–€ã—ã€Androidアプリã®ãƒªã‚¹ãƒˆæ“作ã€éžåŒæœŸå‡¦ç†ã€å¤‰æ›´é€šçŸ¥ã®èª²é¡Œã‚’解決ã—ãŸè©± http://qiita.com/yuya_presto/items/152fa80d073d865cfc90 詳解RxJava1：Schedulerã€éžåŒæœŸå‡¦ç†ã€sub
Incremental search with RxJS switchMap
RxJS leads us to better design separating data flow and side-effects. In addition, it provides powerful functionalities that sophisticate the outcome application. My favorite is switchMap of RxJS 5, which is equivalent to flatMapLatest in RxJS 4. switchMap(func) is equivalent to map(func).switch(). It keeps subscribing latest observable at the moment and unsubscribing outdated ones so that it only
Learning Observable By Building Observable
I’ve since rewritten the piece and moved it to my personal blog here:https://benlesh.com/posts/learning-observable-by-building-observable/ Frequently via social media, or in person at events, I’m asked questions about “hot†vs “cold†observables, or whether or not an observable is “multicast†or “unicastâ€. People seem to be really mystified by what they feel to be the dark inner-workings of `Rx.Ob
RxJava 㯠Subscriber ã‚’ä¸å¿ƒã«æ‰ãˆã‚‹ã¨ç†è§£ã—ã‚„ã™ã„ã‚“ã˜ã‚ƒãªã„ã‹ã¨ã„ã†è©± - hydrakecat’s blog
ã“れ㯠RxJava Advent Calendar 2015 ã®ç¬¬22日目ã®è¨˜äº‹ã§ã™ã€‚昨日㯠kazy ã•ã‚“ã«ã‚ˆã‚‹ RxJava 2.xã«ã¤ã„㦠ã§ã—ãŸã€‚ ã“ã®è¨˜äº‹ã§ã¯ã€ RxJava ã‚’ç†è§£ã™ã‚‹ãŸã‚ã«è‡ªåˆ†ãŒ RxJava ã‚’ã©ã®ã‚ˆã†ã«æ‰ãˆã¦ã„ã‚‹ã‹ã€ã¨ã„ã†è©±ã‚’ã—ã¾ã™ã€‚ãªãŠã€è‡ªåˆ†ã¯ ReactiveX ã‚„ Reactive Functional Programming ã«ã¤ã„ã¦è©³ã—ã„ã‚ã‘ã§ã¯ãªã„ã®ã§ã€ãã®æ–¹é¢ã®ç†è§£ã®åŠ©ã‘ã«ãªã‚‹ã‚‚ã®ã§ã¯ã‚ã‚Šã¾ã›ã‚“。ã©ã¡ã‚‰ã‹ã¨ã„ãˆã°ã€RxJava ã¨ã„ã†ç‰¹å®šã®ãƒ©ã‚¤ãƒ–ラリをã“ã†ç†è§£ã—ã¦ãŠã‘ã°å…¨ä½“ã®æŒ™å‹•ã‚’把æ¡ã—ã‚„ã™ã„ã®ã§ã¯ãªã„ã‹ã€ã¨ã„ã†ç”Ÿæ´»ã®çŸ¥æµã®ã‚ˆã†ãªã‚‚ã®ã«ãªã‚Šã¾ã™ã€‚RxJS ã‚„ä»–ã®ãƒ©ã‚¤ãƒ–ラリã§ã¯ã¾ãŸç•°ãªã‚‹å®Ÿè£…ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ã®ã§ã”ç•™æ„ãã ã•ã„。 RxJava ã¯éžå¸¸ã«å¼·åŠ›ã§ã‚ˆã考ãˆã‚‰ã‚ŒãŸã‚‚ã®ã§ã™ãŒã€ã‚½ãƒ¼ã‚¹ã‚’見ã¦æŒ™å‹•ãŒç›´æ„Ÿçš„ã«åˆ†ã‹ã‚‹ã¨ã¯è¨€ãˆãªã„ライブラリã§ã™ã€‚本稿
Rx逆引ã
Rxã®Observableã«é–¢ã™ã‚‹ã‚ªãƒšãƒ¬ãƒ¼ã‚¿ã‚„ãã®ä»–ã‚‚ã‚ã‚‚ã‚ã«é–¢ã™ã‚‹é€†å¼•ãã§ã™ã€‚ 基本的ã«RxJS+αãªã®ã§ã€å„実装ã§ã©ã†ã„ã†åå‰ã«ãªã£ã¦ã„ã‚‹ã‹ã¯ãƒ‰ã‚ュメントをå‚ç…§ã—ã¦ãã ã•ã„ メモ: メッセージ=ストリームã‹ã‚‰é£›ã‚“ã§ãる値ã®ã“ã¨ã€‚イベント=メッセージãŒé£›ã‚“ã§ãã‚‹+onComplete/onError。ストリーム=Observable。RxJSã¯Promiseã‚‚ãã®ã¾ã¾ã‚¹ãƒˆãƒªãƒ¼ãƒ ã¨ã—ã¦æ‰±ãˆã‚‹ã“ã¨ãŒå¤šã„。 Observableã®ã‚ªãƒšãƒ¬ãƒ¼ã‚¿ ç”Ÿæˆ ã—ãŸã„ã“ã¨ã‚ªãƒšãƒ¬ãƒ¼ã‚¿å備考
RxJSã®ã„ã‚ã„ã‚雑感（2015å¹´8月末編） · GitHub
rx_for_js_matomme.md RxJSã®ã„ã‚ã„ã‚雑感（2015å¹´8月末編） Rx for JavaScriptã«ã¤ã„ã¦ã€è‰²ã€…触ã£ãŸçµè«–ã¨ã—ã¦ã¯ã“ã‚“ãªæ„Ÿã˜ ã‚ãã¾ã§ã‚‚ç¾æ™‚点ã®æ„Ÿæƒ³ãªã‚“ã§ã€ãã®ã†ã¡èªè˜ãŒå¤‰ã‚ã‚‹ã‹ã‚‚ JavaScriptã§Rxを使ã†äººã‚¿ãƒ¼ã‚²ãƒƒãƒˆãªã‚“ã§ã€ä»–ã®è¨€èªžportã«ã‚‚効ã話ã‹ã¯ã‚ã‹ã‚‰ãªã„ ç·è«– æ°—ã‚’ã¤ã‘ã‚‹ã“㨠FRPライブラリã§ã¯ãªã„（ã¨è€ƒãˆãŸæ–¹ãŒã„ã„） 世ã®RxJS紹介記事ã®å¤šãã¯Functional Reactive Programmingã®ãŸã‚ã®ãƒ©ã‚¤ãƒ–ラリã§ã‚り関数型ãƒãƒªãƒãƒªã®ã‚ˆã†ã«èªžã£ã¦ã„る事例ãŒã‚ã‚‹ãŒã€ä¿¡ã˜åˆ‡ã£ã¦æ›¸ãã¨ãƒã‚¯ãªã“ã¨ã«ãªã‚‰ãªã„ã®ã§ã€ã€Œé›°å›²æ°—ãŒä¼¼ã¦ã‚‹ã€ç¨‹åº¦ã«æ€ã†ç¨‹åº¦ãŒã¡ã‚‡ã†ã©ã„ã„ It is sometimes called “functional reactive programming†but this is a misnomer. Re
æŒèˆžä¼Žåº§tech発表資料 RxJSã®ä¸ã‚’追ã†
7. ã¾ãšã¯ã“ã®å•é¡Œã®ã‚³ãƒ¼ãƒ‰ã‚’御覧ãã ã•ã„ “side effectâ€ã¯ä½•å›žè¡¨ç¤ºã•ã‚Œã‚‹ã‹ï¼Ÿ var rx = require("rx"); var s = new rx.Subject(); var stream = s.tap(function(){console.log("side effect");}); stream.subscribeOnNext(function(){}); stream.subscribeOnNext(function(){}); s.onNext("foo"); ã¡ã‚‡ã£ã¨èªã¿ã«ãã„ã®ã§å›³ã«ã—ã¾ã™
Hot vs Cold Observables
TL;DR: You want a HOT observable when you don’t want to create your producer over and over again. COLD is when your observable creates the producer// COLD var cold = new Observable((observer) => { var producer = new Producer(); // have observer listen to producer here });HOT is when your observable closes over the producer// HOT var producer = new Producer(); var hot = new Observable((observer) =>
1
ランã‚ング
ランã‚ング
ランã‚ング
リリースã€éšœå®³æƒ…å ±ãªã©ã®ã‚µãƒ¼ãƒ“スã®ãŠçŸ¥ã‚‰ã›
最新ã®äººæ°—エントリーã®é…ä¿¡
j次ã®ãƒ–ックマーク
kå‰ã®ãƒ–ックマーク
lã‚ã¨ã§èªã‚€
eコメント一覧を開ã
oページを開ã
RxJS/doc/gettingstarted/which-instance.md at master · Reactive-Extensions/RxJS
RxMarbles: Interactive diagrams of Rx Observables
{{#tags}}- {{label}}
{{/tags}}