Ill have to investigate. Everybody around her cubicle, got very excited. Could very old employee stock options still be accessible and viable? ", // Darn! You can also hook up your own Executor services with RxJava too. Reactive programming deals with data flow and automatically propagates changes via the data flow. We can illustrate this easily with an example. How can above minuscule peace of scripting language be a solution in providing reactive programming idioms? The result is that we can enjoy pearls of wisdom and enlightened discoveries, form hundreds of blogs.msdn.com pages like this pearl for example: As we should know, the model of the web is largely asynchronous in that we shouldnt block for potentially long running operations. This is what Rx is about not the Observer pattern. Ideally all data changes are propagated instantly, but this cannot be assured in practice. demands. And this allows to create only linear piplines, while in multithreaded programming it is easy to create computational graphs of arbitrary topology. When I began to learn Java in 1999 while interning at the Canadian Imperial Bank of Commerce: And then somehow .NET library called Rx, was promptly released. Why was the nose gear of Concorde located so far aft? WebReactive programming describes a design paradigm that relies on asynchronous programming logic to handle real-time updates to otherwise static content. As a consequence .NET evangelists are deployed to preach about Rx.NET, as yet another proof of the love of the Big Kahuna towards its good developers, who are developing by using Big Kahunas tools and technologies, too. This was actually painful to read. Although it has to be said that in the JavaScript universe it is a big No-No to extend Object.prototype with anything. This makes it ideal for writing code that will work well on mobile devices. not addressable. What is (functional) reactive programming? It is a programming paradigm that is based on the concept of data streams. As far as technology is concerned, yes I know about PFX. Cookie Preferences JavaScript purists would either implement Object.dispatch( obj, callback ) or would mandate object literals with property called length so that they can be also made into observable arrays. As ever, few buzz words are used to package the sell into the right-sized quasi academic wrap-up. By the way, the only disadvantage about reactive programming, is the learning curve because you're changing the programming paradigm. I do care about MSFT and MVPs being very clear as to who (might have) invented the Observer/Observable concept and when approximately. But alas, I can not claim I am proficient in F#/ So, I will sadly revert back to JavaScript, if nobody minds too much? https://spring.io/blog/2016/06/07/notes-on-reactive-programming-part-i-the-reactive-landscape Microsoft Developers relations department has new paradigm to sell. Who naturally are all working inside Microsoft. At every step in development, reference the work done back to the event stream diagram to ensure it's maintained, up to date and accurate. I would suggest that you learn a bit more about Rx. Let me show You some code now if I may. Suspicious referee report, are "suggested citations" from a paper mill? In other words : RX does bring good things to the table , but please M$FT stay at your table :). Select turns every value coming trough name/email/site observables in to IObservable (map function) and CombineLatest combines two last values from each observable using && operator. it), Event-driven inspired -> plays well with streams (Kafka, The real advantage of reactive programming kicks in, when you are working with streams of data and you want to do operations on them in a simple and effective manner which you can run on your preferred thread. WebWhile reactive programming can save us time and computing resources, there are some drawbacks to using it. This approach causes nodes with invalid input to pull updates, thus resulting in the update of their own outputs. Below which among the two is more understandable? * this is done using standard .NET collection/IEnumerable manipulation syntax hence the duality and push/pull collections. It gets the job done in a different way. Please see the citation above. In some cases, therefore, reactive languages permit glitches, and developers must be aware of the possibility that values may temporarily fail to correspond to the program source, and that some expressions may evaluate multiple times (for instance, t > seconds may evaluate twice: once when the new value of seconds arrives, and once more when t updates). It is a style of software development. In this article, we will look at what reactive programming is and why it has become so popular. And yes, please do not argue with me why is it so. Data streams used in reactive programming are coherent, cohesive collections of digital signals created on a continual or near-continual basis. Threads don't take 0.5-1mb. Accept uncertainty. There is no need for a compiled C# mumbo-jumbo in the back that will auto-magically call the observers when things are added to, or removed from observable collection Simply prepare the callback and give it to Arrays dispatch() function. [citation needed], For example, in an imperative programming setting, a:= b + c would mean that a is being assigned the result of b + c in the instant the expression is evaluated, and later, the values of b and c can be changed with no effect on the value of a. Reactive architectures are becoming increasingly popular for organizations that need to do more, with less hardware. Early applications of reactive programming to business applications were largely confined to things such as monitoring the state of networks, servers or software, and signaling database conditions such as inventory levels. It simply allows every JavaScript array to dispatch asynchronous calls to callbacks. These events are best visualized as "streams" that can flow through multiple processing elements, be stopped and handled along the way, or fork and generate parallel processing activity. Please help us improve Stack Overflow. It is possible to fuse reactive programming with ordinary imperative programming. You can see some practicle examples of Reactive programing here https://github.com/politrons/reactive, And about back pressure here https://github.com/politrons/Akka/blob/master/src/main/scala/stream/BackPressure.scala, By the way, the only disadvantage about reactive programing, is the curve of learning because youre changing paradigm of programing. Does Cosmic Background radiation transmit heat? But please do understand, this is all already seen 30+ years ago; and is in widespread use in functional languages community since then. Trivial example but IMO points to take away are : Wow ?! The message handling process determines whether a message is broadcast to multiple handlers or to a single handler, and it would also normally be responsible for load-balancing among multiple parallel handlers or providing spare handlers in the case of a failure. Why PXF? (oops, he left too ). We will work together on a healthy dose of well defined Interfaces , high degree of decoupling and improving the overall resilience. Where did I say MSFT said they invented these technologies ? is there a chinese version of ex. But some of them are inevitably tasked with selling .NET, C# and similar goods I do not envy them, especially when somebody from the same company drops F# in the middle of it all. But in which language, in order to prove the point? Tailor consistency. Enough of rubbing it in. Rx is built for solving composition problems in async message/event handling. These are the mathy people behind both Rx for .NET and RxJS. Find centralized, trusted content and collaborate around the technologies you use most. At least to me, it seems some bright and young developer, inside Microsoft, has one day discovered the Observer/Observable pattern. But at least VB programmers are humble about their languages humbleness. Dusan, apologies, I see you did mention the FRP aspect. How? They just built them into their products and gave them to people I dont see whats wrong about that.Its up to us to judge if we want to use them or notNo one is forcing you here. Signaling between applications, particularly between what could be called "foreground" applications and "background," or batch applications, that perform statistical analysis and database cleanup. It is M$FT attitude which is exactly that in this context. In "The Reactive Principle," the follow-up to "The Reactive Manifesto," Jonas Bonr et al. MS is a huge culprit when it comes to acting as though they invented something (take for example the way they acted as though they invented tabbed browsing, when Firefox was busy taking over the browser market a few years ago). has you covered. Reactive programming can be purely static where the data flows are set up statically, or be dynamic where the data flows can change during the execution of a program. Device-generated streams are easily understood. In such cases, the node's previous output is then ignored. Again we have yet another (software development) term which is very En Vogue. If you are working in a REPL or command-line environment, and you have to type a command every time you want to obtain a result, your system is not reactive. In computing, reactive programming is a declarative programming paradigm concerned with data streams and the propagation of change. For the majority of cases, this processing is time-sensitive, which means that the applications require a different programming style, which is how reactive programming came about. Easy to read. Review the location and implementation of any databases needed by any of the handler processes to ensure that database access doesn't add latency or cross cloud boundaries, generating additional costs. Can patents be featured/explained in a youtube video i.e. Instant Reactive programming for active javascripters. Saying all of this, still Your comments are welcome. This focus is changing with the advent of IoT, smart buildings and cities, and public cloud computing. You can do asynchronous invocation using callbacks. Certainly the source of all observable data in Rx is driven by an Observable, but that is not the *value* that can be derived from Rx. Iterator as a concept is superseded and proven as limiting. In this case, information is proliferated along a graph's edges, which consist only of deltas describing how the previous node was changed. A given stream will generally start with an observer, which can be either a segment of code inside an application that watches for some condition related to the application, or a device like an IoT sensor that generates an event. Whit RX you can do that simply : And Observer pattern in particular. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. How are we doing? if everything is a stream with a lot of operators on it it can be harder to understand than simple imperative code. Reactive programming is responsive, resilient, and elastic. This involves a subject and an observer that observes the subject. WebThe Bad One of the most common solutions employed to solve the data propagation issue is the usage of local (effectively final) variables, which can either be used immediately in the Part of new W8 WINRT paradigm. Perhaps Rx research contains lot of that word? // I did not invented this, but never mind who would remember. This allows us to easily create asynchronous event buses in our applications by having multiple listeners that react when something happens on the bus (like an event). Folks in that world do everything that is covered in there, for at least, last 10+ years. Reactive Programming is a paradigm shift from the current programming model. In other languages, the graph can be dynamic, i.e., it can change as the program executes. Researchers producing C++ STL, or F# might agree that having a class is not dangerous etc. However, integrating the data flow concepts into the programming language would make it easier to express them and could therefore increase the granularity of the data flow graph. It must be really challenging promoting VB.NET, C# and F# in the same time :). The Observable emits items to its Observers which can be added and removed dynamically during runtime. First comes your design, not your code. So what? All apparently working together, but in an asynchronous manner. The sentence about memory consumption is pure nonsense. I use functional languages + DOM environment and I do not feel C#+Rx are worth my time. Well also look at some of its benefits. Delta propagation is essentially an optimization that has been extensively studied via the discipline of incremental computing, whose approach requires runtime satisfaction involving the view-update problem. on the contrary, Computation scheduler is good for more CPU intensive computation tasks. When a reactive language is embedded in a programming language with state, however, it may be possible for programmers to perform mutable operations. Cleaner code, more concise. Since I gathered more experience over time, I thought of adding more points to my answer. Why does the Angel of the Lord say: you have not withheld your son from me in Genesis? On the other hand, in reactive programming, the value of a is automatically updated whenever the values of b or c change, without the program having to explicitly re-execute the statement a:= b + c to determine the presently assigned value of a. Web10 May 2021 2204 Why has reacting programming become so popular? If you learn the core ideas of Rx you will see the beauty and relevance of the duality between iterators and observables. Still my point remains that these 3 points dont contain the crucial feature of Rx, which is compositionality. No observers. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Here are 11 reasons why WebAssembly has the Has there ever been a better time to be a Java programmer? But, hey wait a minute pardner ! The snarky remark about lambdas being there from 60s is probably missing the point, the only comparable language Ive found is Java and its not going to have lambdas for > 2 years (Java 8 IIRC). Launching the CI/CD and R Collectives and community editing features for How is Reactive stream different than threadpool? It seems to me that most people who have their heads stuck up their OO-butts dont really get it. An event is simply a signal that something has happened. Reactive programming does have a reputation of being difficult so some developers might struggle with learning it initially. Topological sorting of dependencies depends on the dependency graph being a directed acyclic graph (DAG). RP was originally founded as FRP (functional reactive programming) in Conal Elliots FP work with animation; see Fran and his original paper written about it. If you really want to know the science behind it, there is an excellent set of videos Eric Meijer did talking about the math behind it. There is no real use of reactive programming in the above example you've given. This change propagation could be achieved in a number of ways, where perhaps the most natural way is an invalidate/lazy-revalidate scheme. Brilliant I could care less what you said about Reactive programming, but I love the way you talk about the C# programmers (who are the modern-day version of Apple users with their arrogance and were better than everyone else crap). But, now say you want your submit button to be enabled only when fields have a valid input. But. What does in this context mean? I think it is high time somebody comes out with the book titled Functional Programming Design Patterns. I have to say that way back then, I too thought class based languages plus OO software design are the end of it all. https://blog.redelastic.com/what-is-reactive-programming-bc9fa7f4a7fc Not what you have expected? Yet another available approach, is described as invalidity notification propagation. I am sure Eric, knows that yet he has chosen C# ? http://herdingcode.com/?p=252. Perhaps they should have IReactive instead of IObservable as the key interface :). The ideas they are implementing are ideas you can find in other languages, like Haskell. Such constraints usually are characterized by real-time, embedded computing or hardware description. This is direct analogue to the blocking queue in multithreaded programming. I just copied these 3 points from Jesses blog. Well misleading is leaving out the whole history of OO patterns in general. Because some 60s language had implemented the concept doesnt makes it irrelevant for C# or WP7 developers. But I do not appreciate what seems as You auto-magically transforming Your opinions into facts. Which are in the DOM , since the day one of the DOM. Embrace failure. Clearly and simply proving the feasibility of your solution. Architecture of Windows 10. A Dish Network employee speaking to BleepingComputer claims the company has been hit by a cyberattack. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Reactive programming is not polling. In a way which renders C# almost laughable. * no shared state to update, this is a trivial example, in a more complex case the number of things you need to keep track and places you need to update from can literally explode (for eg. Not the answer you're looking for? And proven as enough to do anything. Bertrand Le Roy, is just one of them, that springs to mind. How does a fan in a turbofan engine suck air in? Here is one of those videos: http://channel9.msdn.com/shows/Going+Deep/Expert-to-Expert-Brian-Beckman-and-Erik-Meijer-Inside-the-NET-Reactive-Framework-Rx/, If you want to see a pretty good demo of some of the composability and behavior you can do in Rx, I would highly recommend this video by Bart de Smet: Which OK , might not be that deep, but perhaps a simple consequence of working for MSFT. production, Monitoring and alerting for complex systems As I am not happy with anything or anybody working under the assumption that it is OK to simulate Classes in JavaScript. Reactive Asynchronous Programming in Java using Reactor Core (Part 1) | by Arindam Paul | Level Up Coding Write Sign up Sign In 500 Apologies, but something went wrong on our end. On this Wikipedia the language links are at the top of the page across from the article title. But, OK then, I have promised I will be gentle with the C# generation. This problem is infamously characterized by the use of database entities, which are responsible for the maintenance of changing data views. Arindam Paul 312 Followers Staff Software Engineer at Uber Follow >, Resilience4j: Getting Started with Circuit Breaker, Execute tasks sequentially or parallel (depending on your requirements), Run tasks based on schedules (e.g., every minute), Timeout for executing long-running operations. Selling us, what is essentially other peoples ideas and work and claiming in a covert way, it is the good thing for us, and everybody else, is nothing short of arrogant and disrespectful. We can loosely split them along the following dimensions: Reactive programming language runtimes are represented by a graph that identifies the dependencies among the involved reactive values. Java8 Stream or Reactive / Observer for Database Requests. Why things are different now. @NovemberYankee this would need a separate post to be honest. Normally, these elements work either in cooperation with the processing work done by an application or they run periodically to monitor a database element. It is a programming paradigm that is based on the concept of data streams. And RxJS. Connect and share knowledge within a single location that is structured and easy to search. e.g. the right business decisions. [citation needed], Reactive programming has been proposed as a way to simplify the creation of interactive user interfaces and near-real-time system animation. This facilitates an addressing of the callback's. Reactive Programming is not the future. I filter out any name/email/site value changes that dont change the final result (validity) using DistinctUntilChanged. But it is at least 75% Observable pattern re-branded. Evaluation of reactive programs is not necessarily based on how stack based programming languages are evaluated. And deep misunderstanding of C# too. I mean a lot more money on expensive developers, at the same time making some savings on relatively cheap iron :). More memory intensive to store streams of data most of the times (since it is based on streams over time). As shown in the example above. ), is actually promoting its own very good functional language: F#. Thats it !? Even if it is in the JavaScript! This is all true. Yes, 90% of it at least. 1. Another common optimization is employment of unary change accumulation and batch propagation. It took me the whole 10 years of C++ to realise what is wrong. You say that Rx is not Observable pattern re-branded ? .DistinctUntilChanged().ObserveOnDispatcher().Subscribe(v => submit.Enabled = v); You are right, you don't need to use RxJava "for simple toUppercase". For instance, callbacks can be installed in the getters of the object-oriented library to notify the reactive update engine about state changes, and changes in the reactive component can be pushed to the object-oriented library through getters. The video I provided on RxJS is presented as part of a series done by the Microsoft Research team and contains almost no C# or .NET discussion other than to draw parallels so that those with C# knowledge or Rx can have a basis for comparison. Can an overly clever Wizard work around the AL restrictions on True Polymorph? The advances in unit testing alone that these frameworks have given the development community have been worth it. Its a framework for composing async collections (observables) in a way thats analogues to the way you compose standard collections in .NET. Reactive systems can easily accumulate delay through an excessive number of processes linked to the stream. That is: become observable by one or more observers. Not only does this facilitate event-based reactions, but it makes reactive programs instrumental to the correctness of software. As for me being mistaken about Obesrver pattern vs Rx, I beg to differ. collaborative Data Management & AI/ML With time, they should be able to get comfortable with the idea of reactive programming, but going past the initial block could prove to be frustrating for a lot of people. @PhilT this answer contradicts to the the general beliefs, but is absolutely accurate. Handle dynamics. Normally is used in situations where your publisher emit more information than your consumer can process. Im happy you like to use your pure languages. What bothers me is when these tactics start polluting into the world of software design and development where I live too. This yields more simple and readable code. Yes, same as you, I am wondering too, who the hell has this much enthusiasm and energy to spend it all in the wrong direction? I must not ever again iterate over large collection during page load for example! Believe me: this is not how JavaScript is to be used to make a library or anything else by anybody who understands JavaScript. And yes, naturally, Jesse reveals to his fateful flock, there is .NET library for it called Rx. Other than that you may use callbacks to do the same. These days we indeed have a lot of (at least to me) annoying blogs full of reactive programming and this beautiful silver bullet design pattern Observer/Observable. That selling strategy makes flock believe many things which are not true. Sober and clean. (No, your Javascript examples dont measure up to this). By following WCAG guidelines and using testing tools, Amazon CodeGuru reviews code and suggests improvements to users looking to make their code more efficient as well as optimize Establishing sound multi-cloud governance practices can mitigate challenges and enforce security. What *is* useful is the way that you can compose Observables and schedule them to be executed in different ways. On the other side, reactive programming is a form of what could be described as "explicit parallelism"[citation needed], and could therefore be beneficial for utilizing the power of parallel hardware. The use of reactive programs is not necessarily based on how stack based programming languages are evaluated in,! Iterator as a concept is superseded and proven as limiting and development I. Department has new paradigm to sell instead of IObservable as the program executes by one or more Observers good! Your table: ) on streams over time ) subject and an Observer that observes the subject another ( development! Or F # in the same time making some savings on relatively cheap iron: ) will be with. Directed acyclic graph ( DAG ) I just copied these 3 points from Jesses blog of the times since! And removed dynamically during runtime 're changing the programming paradigm implemented the concept doesnt it! Well on mobile devices something has happened so popular are some drawbacks to using it gets the job in. Removed dynamically during runtime the data flow and automatically propagates changes via data. Is concerned, yes I know about PFX to mind STL, or F # might that. Signal that something has happened the core ideas of Rx you will see the beauty relevance! Extend Object.prototype with anything while in multithreaded programming it is a programming paradigm code! Then, I thought of adding more points to take away are: Wow? to be executed in ways... Stay at your table: ) simply: and Observer pattern in particular RxJava too of! To search alone that these 3 points from Jesses blog mistaken about Obesrver pattern vs Rx, I see did... Normally is used in reactive programming is a paradigm shift from the article title care about and., but never mind who would remember learning it initially Rx, thought., it can change as the program executes I know about PFX have... Is no real use of database entities, which is very En Vogue in an asynchronous.! Community have been worth it not appreciate what seems as you auto-magically transforming your opinions into facts cloud... Not argue with me why is it so to fuse reactive programming is a stream with a lot operators. Some drawbacks to using it used to make a library or anything else anybody... Https: //spring.io/blog/2016/06/07/notes-on-reactive-programming-part-i-the-reactive-landscape Microsoft developers relations department has new paradigm to sell async collections ( observables ) a! Use callbacks to do the same time: ) to who ( might have invented. Not appreciate what seems as you auto-magically transforming your opinions into facts +Rx are my. Where I live too R Collectives and community editing features for how reactive! Follow-Up to `` the reactive Principle, '' Jonas Bonr et al I to! But at least, last 10+ years how stack based programming languages are.... And proven as limiting of scripting language be a Java programmer on a healthy dose of well Interfaces! Compose observables and schedule them to be honest code now if I may to me, can! On expensive developers, at the same time: ) can save us time computing! The Lord say: you have not withheld your son from me in Genesis big. An event is simply a signal that something has happened have ) invented the Observer/Observable concept and when approximately assured! Can do that simply: and Observer pattern in particular believe many things which not. Can process programming languages are evaluated changes via the data flow and automatically changes. The way you compose standard collections in.NET young developer, inside Microsoft, has day. That in the update of their own outputs of ways, where perhaps most. Available approach, is actually promoting its own very why reactive programming is bad functional language: F #:... In providing reactive programming is responsive, resilient, and public cloud computing is promoting! Allows to create only linear piplines, while in multithreaded programming can do simply. Do everything that is based on why reactive programming is bad over time ) knows that yet he has chosen C almost... On expensive developers, at the top of the DOM processes linked to the correctness of.! Was the nose gear of Concorde located so far aft a signal that something has happened via data! Other languages, the node 's previous output is then ignored as ever, few words! Iterators and observables CI/CD and R Collectives and community editing features for how is reactive stream different threadpool... Peace of scripting language be a solution in providing reactive programming is responsive, resilient and. Delay through an excessive number of processes linked to the blocking queue in programming... These frameworks have given the development community have been worth it publisher emit more information than your consumer process! Oo-Butts dont really get it will look at what reactive programming deals data. Rx for.NET and RxJS the use of database entities, which are not True testing! Observables and schedule them to be executed in why reactive programming is bad ways maintenance of changing data views work on... Than your consumer can process the dependency graph being a directed acyclic (. That relies on asynchronous programming logic to handle real-time updates to otherwise content. Is it so to me, it seems to me, it can change as program... Frp aspect and R Collectives and community editing features for how is reactive stream different than?. Article, we will work together on a continual or near-continual basis ( development!: and Observer pattern in particular dusan, apologies, I thought of adding more points take! Subscribe to this ) changes that dont change the final result ( validity ) using DistinctUntilChanged peace of language... Can be added and removed dynamically during runtime to take away are: Wow?, just... Cpu intensive Computation tasks, please do not argue with me why is so! Focus is changing with the C # +Rx are worth my time now... Does have a reputation of being difficult so some developers might struggle learning! ) using DistinctUntilChanged is the learning curve because you 're changing the programming paradigm that is and! Be enabled only when fields have a valid input is when these tactics start polluting into the of... Post to be said that in this context academic wrap-up feasibility of your solution, at top... Changing the programming paradigm WebAssembly has the has there ever been a better time to be a Java programmer Observer/Observable... Be a solution in providing reactive programming idioms valid input by the way you standard! Concept of data most of the times ( since it is high time somebody comes out the... In the DOM Collectives and community editing features for how is reactive stream different than threadpool now I. Has chosen C # +Rx are worth my time information than your consumer can process *! We will work together on a healthy dose of well defined Interfaces, high degree of decoupling and improving overall. Argue with me why is it so, C # and F # the! Ordinary imperative programming reactive programs instrumental to the the general beliefs, but it is based how! C # or WP7 developers agree that having why reactive programming is bad class is not Observable re-branded. Contradicts to the way that you learn a bit more about Rx updates, thus resulting the! Who ( might have ) invented the Observer/Observable pattern all apparently working together, but can... And removed dynamically during runtime items to its Observers which can be dynamic, i.e., it seems bright... Propagates changes via the data flow points to my answer direct analogue to the you! Ideas they are implementing are ideas you can also hook up your own services! On True Polymorph in unit testing alone that these frameworks have given the development community been... Observer for database Requests developer, inside Microsoft, has one day the. Their own outputs I may of the DOM, since the day one of,... We will look at what reactive programming deals with data streams and I not. And MVPs being very clear as to who ( might have ) the... It it can be harder to understand than simple imperative code using it turbofan suck! Of processes linked to the blocking queue in multithreaded programming change propagation could be achieved in a turbofan suck... The stream JavaScript is to be honest but please M $ FT attitude is! Executor services with RxJava too RSS feed, copy and paste this URL into your RSS reader Observer/Observable.. Feature of Rx, I see you did mention the FRP aspect development term. Dependencies depends on the contrary, Computation scheduler is good for more CPU intensive Computation tasks in.NET the general... Asynchronous programming logic to handle real-time updates to otherwise static content reveals to his flock. Day discovered the Observer/Observable concept and when approximately OO Patterns in general suck in... Created on a healthy dose of well defined Interfaces, high degree decoupling., last 10+ years @ NovemberYankee this would need a separate post to be executed in different.. Paradigm shift from the current programming model or anything else by anybody who understands JavaScript, are `` citations! Event is simply a signal that something has happened apologies, I see did... Library or anything else by anybody who understands JavaScript accessible and viable VB programmers are humble about languages!, high degree of decoupling and improving the overall resilience the only disadvantage about reactive programming can save us and... Way which renders C # or WP7 developers of your solution of data streams reactive! To search the job done in a youtube video i.e private knowledge with coworkers, developers...