Say A sends a message to B and waits for a callback and then A probably sends new messages and B also sends many messages to A.   What I mean other message exchanges happen during this time before callback happens.   Does it create a race condition o...
Is it possible to generate a file with javascript and send it to server? I have a section in my web page where the user can modify the style of its page, and I want to generate the css file with that style configuration before to send it to the serve...
I'm trying to get client-sessions to work without using express but I'm not sure if I'm porting the example correctly.  var sessionOptions = { cookieName: 'mySession',   secret: 'blargadeeblargblarg',   duration: 24 * 60 *...
I'm developing a sample node.js application and it runs fine locally with   node index.js   but, when I push it to a Heroku instance, it crashes with the following errors:     2017-10-23T06:08:07.000000+00:00 app[api]: Build succeeded   2017-10-2...
Is there a "nice" way to set the server's date to an angularJS app?  Let's say that I have an API route to get this, sort of /api/date and I can call it with an angular service called dateService:  angular.module('myApp').serv...
Onclick button i am and trying to save 2 different images.  I am passing One image through ajax & another through form, but i can able to download only one image at a time. Will it create any conflicts ?  Do i need to have correct Content-Length...
I managed to connect my JavaScript client to C++ server (I'm using winsock), and the server receives a HTTP header, but I can't send or receive anything else after that. The server sends the message (send returns the number of bytes sent), bu...
Here is my index.html for posterity's sake:  <!DOCTYPE html> <html> <head>     <meta charset="utf-8">     <meta http-equiv="X-UA-Compatible" content="IE=edge">     <meta name="viewport&...
I need to create a function that can display a metric pulled at different hours of the day from an outside source one week ago. The way I have my server currently set up is using a method that pulls a metric from an outside source at the hours of 6 a...
I know this is a relatively simple question, but I do not see this being asked. In Node/Express, I always set this :  var port = PROCESS.env.PORT || 9000   and I know that PROCESS.env.PORT is my environment variable. However, I don't know what an...

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