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5
votes
2answers
134 views

What is the argument for never forcing a push in a DVCS (Mercurial)?

I always preach never to force push anything, because that adds ambiguity to the repository server. In this specific example, we collaborate with a customer and they "skip a step" and force push ...
1
vote
0answers
662 views

How to tell SignalR Notifications Hub that there is a new notification without having SignalR poll on that table

I'm developing a push-notifications system for my ASP.NET MVC app. The idea is to use Redis for queueing, ServiceStack for queue processing and SignalR for push-notifications to implement a system ...
4
votes
3answers
570 views

Push vs Poll when large delay (hours) is acceptable

It seems commonsense nowadays that polling is a bad practice and pushing is the way to go when developing mobile applications that require to constantly receive data from a remote server. All major ...
1
vote
1answer
234 views

Best approach for near real time message passing from server to client across router?

I am developing an application which must run on up to thousands of client systems that I control (Linux) which are connected behind common NAT devices to public Internet. Each of these client ...
2
votes
2answers
1k views

Is it wrong to push messages from server to client in a client-server application?

I practically never see any web application where server pushes messages to the client. While pushing messages from server to client is hugely used in multiplayer games, why this model is so underused ...
22
votes
4answers
2k views

Why is putting something on the stack called “push”?

According to http://dictionary.reference.com push verb (used with object) to press upon or against (a thing) with force in order to move it away. to move (something) in a specified ...
6
votes
4answers
5k views

Handling database schema changes when pushing new versions

During times of heavy development, the database schema changes both rapidly and continuously, and by the time our weekly push to the beta build comes around, the schema has changed so much that the ...
7
votes
4answers
461 views

Is there really such a thing as “push”?

Once you escape the realm of electrical signals and are dealing with software, is there really such a thing as a "push" architecture where there isn't periodic polling? I can't think of any design ...
1
vote
3answers
447 views

Scalable solution for website polling

I'm looking to add push notifications to one of my iOS apps. The app is a client for a website which doesn't offer push notifications. What I've come up with so far: App sends a message to home ...
5
votes
2answers
830 views

How can I best implement 'cache until further notice' with memcache in multiple tiers?

the term "client" used here is not referring to client's browser, but client server Before cache workflow 1. client make a HTTP request --> 2. server process --> 3. store parsed results into ...
6
votes
2answers
631 views

How does “new message” notification work?

I'm interested to know the implementation of the 'new message' in gmail for example. I know that ajax is used, but what else it is used on the server and client side. Can you explain me the scenario? ...