The power of then - sync processing. The power of then - async operations. The first relief - when sync becomes async. Safety of then - thrown errors. Doing things in parallel (async.parallel). Doing things in series (async.waterfall). Parallel map (async.map). Series map (async.mapSeries). Concurrency level (async.mapLimit). Context managers and transactions.
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Promise nuggets | promise-nuggets.github.io Reviews
https://promise-nuggets.github.io
The power of then - sync processing. The power of then - async operations. The first relief - when sync becomes async. Safety of then - thrown errors. Doing things in parallel (async.parallel). Doing things in series (async.waterfall). Parallel map (async.map). Series map (async.mapSeries). Concurrency level (async.mapLimit). Context managers and transactions.
promise-nuggets.github.io
Promise-based timeouts
http://promise-nuggets.github.io/articles/31-promise-timeouts.html
Safety of then - thrown errors
http://promise-nuggets.github.io/articles/06-safety-of-then-exceptions.html
Safety of then - thrown errors. We need to write a function that reads a config file and parses it as JSON. How can we do that safely? With callbacks we will need to wrap JSON.parse in a. Block because it throws errors:. Function readConfig(file, callback) { fs.readFile(file, function(err, content) { if (err) return callback(err); var parsed; try { parsed = JSON.parse(content.toString() } catch (error) { return callback(err); } callback(null, parsed); }) }. With promises no special treatment is required:.
Doing things in series (async.waterfall)
http://promise-nuggets.github.io/articles/12-doing-things-in-series.html
Doing things in series (async.waterfall). We can run things in parallel. But what if we want to run things in series? Example: read a file, transform it using a transformation service that doesnt support streams, then write the transformed file somewhere else. Service.transform = function(string, callback). Err) console.log(All ok! The callback is called with no error and the result of last task after all operations are complete , or when the first error is encountered. Function transformFile(inPath, out...
Complex task dependencies
http://promise-nuggets.github.io/articles/13-complex-task-dependencies.html
Sometimes our task dependencies are complex enough that we might need to run some things in parallel and other things in series. Lets say we have a versioned file and we want to get a diff of the latest two versions. To do this, we need to get the IDs of the latest two versions, then get their content, then compare the content of the first with the other and finally do something with the result. With callbacks we would combine. With promises we can simply return an array, then use.
Creating new functions
http://promise-nuggets.github.io/articles/02-creating-new-functions.html
Creating simple functions is easy. To create a callback-taking function, add a callback argument to your function. Then you can pass the callback to another callback-taking function. Function readMyFile(callback) { fs.readFile(myfile.txt, callback); }. To create a promise-based function, simply return the promise as a result. Function readMyFile() { return fs.readFileAsync(myfile.txt); }. But what if you want to do additional processing?
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Why I am switching to promises
http://spion.github.io/posts/why-i-am-switching-to-promises.html
Code, music, math. Code, music, math. Why I am switching to promises. Sun Oct 06 2013. Im switching my node code from callbacks to promises. The reasons arent merely aesthetical, theyre rather practical:. Were all human. We make mistakes, and then JavaScript. S an error. How do callbacks punish that mistake? They crash your process! But spion, why dont you use domains? Yes, I could do that. I could crash my process gracefully. And guess what a user that hits an error does? For more info see #5114. The ca...
Why Promises? | bluebird
http://bluebirdjs.com/docs/why-promises.html
New in 3.0. Coming from Other Languages. Coming from Other Libraries. Updated 31 Aug 2016. Promises are a concurrency primitive with a proven track record and language integration in most modern programming languages. They have been extensively studied since the 80s and will make your life much easier. You should use promises to turn this:. Unable to read file. Invalid json in file. Invalid json in file. Unable to read file. If youre thinking, Theres no. That returns a promise! Invalid json in file.
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Stichting Promise Nederland - Filippijnen
promise-net.org - promise-net Resources and Information.
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Overview
Report on 15 Years of CLEF published in SIGIR Forum, December 2014 issue. Read More About Report on 15 Years of CLEF published in SIGIR Forum, December 2014 issue. Lectures of the PROMISE Winter School 2013 "Bridging Between Information Retrieval and Databases" have been published as Springer LNCS Tutorial. Read More About Lectures of the PROMISE Winter School 2013 "Bridging Between Information Retrieval and Databases" have been published as Springer LNCS Tutorial. Showing 1 - 5 of 26 results. Large-scal...
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Promise nuggets
The power of then - sync processing. The power of then - async operations. The first relief - when sync becomes async. Safety of then - thrown errors. Doing things in parallel (async.parallel). Doing things in series (async.waterfall). Parallel map (async.map). Series map (async.mapSeries). Concurrency level (async.mapLimit). Context managers and transactions.
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promise-of-an-angel.deviantart.com
promise-of-an-angel (ED) - DeviantArt
Window.devicePixelRatio*screen.width 'x' window.devicePixelRatio*screen.height) :(screen.width 'x' screen.height) ; this.removeAttribute('onclick')" class="mi". Window.devicePixelRatio*screen.width 'x' window.devicePixelRatio*screen.height) :(screen.width 'x' screen.height) ; this.removeAttribute('onclick')". Deviant for 8 Years. This deviant's full pageview. Last Visit: 291 weeks ago. This is the place where you can personalize your profile! By moving, adding and personalizing widgets. Why," you ask?
promise-of-an-end.blogspot.com
too late tonight to change your mind.
Niedziela, 3 marca 2013. 1 Try to let go of the truth, the battles of your youth. Karuzela życia. Wszystko wiruje. Zgubiłem się pośrodku niczego. Zbłądziłem we własnych kłamstwach, w tych ciemnych zakątkach mojego umysłu. Chcę się stąd wydostać. Moje usta się śmieją, ale nie wiem dlaczego. Gdzieś w oddali widzę falujące na wietrze, platynowe włosy. Krótka spódniczka, długie nogi. Zbliżają się. Czemu leżę na twardym chodniku? Czym ja się stałem? Zamknął oczy i dźwięki płynące z głośników zaczęły koić jego...
Promise of blood
ここはＰＳ３ ＰＳ4用ソフト Grand Theft Auto V のオンラインサービス内で活動している. クルー名 Promise of blood の専用ＨＰです. Weazel-times for GTA V. 2015 Promise of blood.
promise-of-destiny.skyrock.com
Blog de Promise-Of-Destiny - « C'était seulement une promesse. » - Skyrock.com
Mot de passe :. J'ai oublié mon mot de passe. Plus d'actions ▼. S'abonner à mon blog. One Direction ♥. What Makes You Beautiful. Création : 03/08/2012 à 09:20. Mise à jour : 12/08/2012 à 12:33. C'était seulement une promesse. Petit mot de la Webmiss. N'oublie pas que les propos injurieux, racistes, etc. sont interdits par les conditions générales d'utilisation de Skyrock et que tu peux être identifié par ton adresse internet (67.219.144.114) si quelqu'un porte plainte. Ou poster avec :. Surveille ton lan...
