node js api gateway

which is the main node, standby node, blanking node, the driver will automatically determine a healthy master node to give node, we just concentrate on writing the database operation logic can be.But there is a problem here, Replica set in the Switch

setting -- max_old_space_size to a maximum ~ 1024 (~ 1 GB) (32-bit) and ~ 4096 (~ 4 GB) (64-bit), but it is recommended that you split your single process into several workers if you are hitting memory limits. Since the memory space occupied by the Buffer object is not counted in the memory space limit of the Node. js process, we often use the Buffer to store data that requires a large amount of memory: //

node. JS benefits from its event-driven and asynchronous features, which are already fast. However, in the modern network is only fast is not good. If you're going to use node. js to develop your next Web app, then you should fair bet and make your app faster and surprisingly fast. This article will introduce 10, after

LoopBack is an open source node. JS framework based on Express, optimized for mobile,web and other devices. LoopBack can connect to multiple data sources, write business logic using node. js, and integrate existing services and data.Related articles that may be of interest to you It's great! Ultra-Bright page

This article analyzes node. the use of streamapi in js is described in detail in this article, involving node. jsapi, node. if you are interested in jsstream, refer to this article to introduce node. for details about the js strea

("./circle.js");//require通过引入模块文件，找到exports对象提供的接口console.log("The area of a circle of radius 4 is " + circle.area(4));Writing a slightly larger program typically blocks the code. In NodeJS , the code is generally reasonably split into different JS files, each file is a module, and the file path is the module name.When writing each module, there are require、exports、module three pre-defined variables available for use.The module name can use a relative

is generally nice R and simpler to work with. " He likes C But it isn't a language for working with every day. For Holowaychuk, the most satisfying on Go is it iteration speed. He hopes the community would be willing-break things in Go-but he-recognizes with big companies behind it, breaking thin GS can be a problem for people managing big systems. But it could help make it more resilient and stronger. Why Go Summarizing, he says Go is robust for it, and refactoring with types are pleasant and

node. JS is a platform built on the chrome JavaScript runtime to easily build fast, easy-to-scale Web applications · node. js with event-driven, non-blocking I/O models become lightweight and efficient, ideal for data-intensive real-time applications running on distributed devices[2]

communication) and event-driven:Node maintains an event queue.Normal way to query database operations:Res=db.query (' SELECT * from * ');Res.output ();Node Solution:Db.query (' SELECT * from * ', function (res) {Res.output ();});The callback function is used above. Implements a non-blocking way of requesting.Disadvantages: A complete logic split into events, to increase the difficulty of debugging the development, the solution is mentioned later.Two

Node. js development-Stream usage StreamIt is a very important module in Node. js and is widely used. A stream is an interface capable of reading, writing, or reading and writing. Through these interfaces, we can interact with disk files, sockets, and HTTP requests, enables data to flow from one place to another. All s

Label:ObjectiveFrom the installation of the environment in the native (win8.1) environment to finish this demo about less than two weeks, just started in the local installation environment and did not knock a demo, from the beginning of the weekend and intermittent to write a, according to the inertia of thinking to write a deletion and change to check it, One is to experience the magic of node. JS, and the

1. For node. JS installation Here is not too much to introduce, after the successful installation, you can use the CMD input node-v to view the version number of node,2. Start our Hello world, enter the owning folder via CMD, input node 01.

) { console.log (err ) return } console.log (' Delete succeeded ') }); Simple database connection, run through the entire process, the specific can view the API Mongoose api:http://mongoosejs.com/docs/api.html Attach a simple test case for git on mongoose Https://github.com/JsAaron/node_movie/tree/master/data Support for adding, modifying, and deleting data Win Platform Installation: 1. First install the MongoDB installation

Concept: node. JS uses the Google Chrome V8 engine, a JavaScript language operating environment written in C + + . Advantages: can be resolved JS Code, no browser security level restrictions;provides system-level API:1 file read/write2 Process Management3 network communicationinstallation

Eventemitter is part of the Nodejs core. Many Nodejs objects inherit from Eventemitter and are used to handle events and callbacks. API Document Address:Http://nodejs.org/api/events.html#events_class_events_eventemitterEvent:Many objects in Node emit events: A net.Server emits the event each time a peer connects to it, a fs.readStream emits an event When the file

Npm:node.js Official LibraryCNPM:taobao Maintenance library;Webstorm:node . JS development tool, but charges; Seajs There is also a cross requirjs Amd specification (loaded in a one-time parameter to require Cmd Require Html, when needed, then load (in modules to load, this becomes more flexible, early front-end development is loaded in page units, now is facing the page "block" to load), fill, overwrite html region; so-called a module has css

({Name: ' OK ',Age:28}, function (err, results) {Console.info (' Insert: ' + results);}); }); The above is configured with several nodes 9001, 9002, 9003, we do not have to pay attention to which is the main node, the standby node, blanking node. The driver will voluntarily infer a healthy master node to give

From django. conf. urls import patterns, include, url Urlpatterns = patterns ('', Url (R' ^ $ ', 'core. views. home', name = 'home '), Url (r '^ node_api $', 'core. views. node_api ', name = 'node _ api '), Url (R' ^ login/$ ', 'django. contrib. auth. views. login', {'template _ name': 'admin/login.html '}, name = 'login '), Url (R' ^ logout/$ ', 'django. contrib. auth. views. logout', {'Next _ pag

node. JS is the most popular JavaScript server-side platform that allows for the creation of extensible WEB applications. node. js contains different types of frameworks, such as the MVC framework, the full stack framework, the REST API, and a large number of server librarie

this week is still pretty good, the problem is still put on Evernote. The problem has also appeared before is the difference between localhost and 127.0.0.1. This week in debugging JS Process learned a function, you can let JS like PHP dump an object. Now post it below to share.1 functionDump (arr,level) {2 varDumped_text = "";3 if(!level) level = 0;4 5 //The padding given at the beginning.