The real-time tag has no wiki summary.
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0answers
40 views
Atmosphere + Long Polling : No message distribution?
I'm experiencing a strange behavior with Atmosphere + Long Polling.
I'd like to have a broadcaster per user, so I have registered a broadcaster on resource suspension with id : /user/.
I use ...
0
votes
2answers
150 views
How might a simple IDE work? Algorithms/Pseudocode/etc [closed]
Background
In a recent school software engineering module, I needed to developed a static program analyzer. Given a ficticious programming language source code, I need to analyze it, then the user ...
0
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1answer
173 views
High performance and/or real time java open source applications [closed]
Which open source java projects do you know to be high performance or real time performance? I tried hard to find them on github or google, but couldn't find suitable.
I want to learn from this ...
1
vote
0answers
270 views
Node.JS or Scala for mobile and web apps
I am coming from a php background with some python as well. I want to start working on a different language for both web and mobile development. I am also interested in real time apps dealing with ...
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3answers
404 views
Implementing chat in 2013
I played a bit with WebSockets and started to implement a tiny chat. Last time I did something like this was when there was no such thing as threads and computers had single core. I started to think ...
1
vote
2answers
441 views
Multitasking in C#
I would like to use a timer in my C# program with millisecond accuracy to keep a camera in sync with some events and keep shooting a picture every 250ms (or 1/4 sec, or I might adjust it to even ...
3
votes
2answers
229 views
WCF service as a proxy for publishing real-time data to a WPF/MVVM clients
I've been tasked with creating a dashboard application to show real time updates for our servers. The raw data comes in from an XML file on our intranet which I need to parse and present to the user.
...
7
votes
3answers
375 views
How is time calculation performed by a computer?
I need to add a certain feature to a module in a given project regarding time calculation. For this specific case I'm using Java and reading through the documentation of the Date class I found out the ...
6
votes
3answers
346 views
Floating point undesirable in highly critical code?
Question 11 in the Software Quality section of "IEEE Computer Society Real-World Software Engineering Problems", Naveda, Seidman, lists fp computation as undesirable because "the accuracy of the ...
3
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5answers
2k views
easiest way for push notifications
I wanted to implement real time push notification to one of the apps written in RoR. I don't have any experience with nodejs, nowjs, express or socketio.
What would be the easiest way to implement ...
76
votes
4answers
8k views
What operating systems are used in airplanes, and what programming languages are they developed in?
I was wondering if anyone knows what is the operating system used in commercial airplanes (say Boeing or Airbus).
Also, what is the (preferred) real-time programing language? I heard that Ada is used ...
5
votes
1answer
213 views
Design pattern for an automated mechanical test bench
Background
I have a test fixture with a number of communication/data acquisition devices on it that is used as an end of line test for a product.
Because of all the various sensors used in the ...
1
vote
2answers
273 views
Almost Realtime Data and Web application
I have a computer that is recording 100 different data points into an OPC server.
I've written a simple OPC client that can read all of this data.
I have a front-end website on a different network ...
2
votes
1answer
430 views
How the Erlang get soft-realtime with GC?
Generally GC is not a good choice to get a soft real-time attribute. But Erlang is GC based language can be soft real-time.
Does it mean Erlang have almost no GC latency? How does it work?
5
votes
3answers
431 views
Real-time Dataflow Programming
Background
Recently, I have been fascinated about the possibilities of dataflow-based programming approaches - in particular, signal/event-based concepts as realized by functional reactive ...
5
votes
5answers
648 views
Is realtime validation of username good or bad?
I have a simple form for the user to sign up to my site; with email, username and password fields. We are now trying to implement an ajax validation so the user doesn't have to post the form to find ...
3
votes
2answers
1k views
Migrating from Python to Scala wise when a lot of work is already done in Python?
Me and my friend are developing a web-app in Python + Flask + PostgreSQL. We have been working on it for the past few months and have developed a lot of schema/use-cases specific to Python + Flask + ...
2
votes
4answers
5k views
Real-time chat in Ruby on Rails
First, I'm sorry because I know this question has been asked many times but I'm still looking forward to finding the answer to my problem.
I'd want to implement a Real-time chat for my Rails app but ...
6
votes
5answers
537 views
How did they count the number of lines of code executed at runtime?
There was a PC game released in 2001 called Black & White by Lionhead studios in which there was a lengthy statistics page which updated in real-time. There were stats such as how many people ...
6
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3answers
3k views
What is Real time application in c#?
I am looking for a job and I often come across "Real time experience needed",
What does a real time application from a c# prospective entail?
Arent we just talking about multithreading?
if not is ...
1
vote
1answer
137 views
benchmarks for quasi real-time software
I'm wondering if there is any benchmarks which can help to understand real-time characteristics (response time) of non-real-time software. For instance C# application on Windows or MSSQL Server.
I ...
6
votes
1answer
670 views
What are the challenges in building a scalable real-time web app?
I'm looking into real-time web applications using websockets and node.js. I'm interested to see what are some technical challenges with scaling such a setup.
One such problem I've heard is that each ...