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Questions tagged [offline]

If an application that communicates with a remote system as a normal part of its operation but is in a state where it is unable to communicate with that remote system, it is in an "offline" state.

0
votes
2answers
98 views

Keep channels online, even though underlying systems are offline?

We have six very old systems where the newest one is built 1995. All these systems have batch jobs running from midnight to 6 AM every night, and these systems are offline. On top of these six systems ...
0
votes
0answers
156 views

Strategy regarding an (almost always) offline app

I'm currently in internship in a software/app development company, where I have to come up with an idea about how can we handle the fact that the user will mostly use an app offline. Basically, the ...
0
votes
0answers
24 views

Mobile BaaS — no connectivity sometimes

I'm looking at options for a BaaS approach for an app using an Azure App Service. We're looking at this approach due to security, API management and ease of re-use/deployments. Also it offers some OOB ...
2
votes
0answers
227 views

File upload sync for offline desktop application. (Electron)

We are making an offline desktop application in Electron that needs to sync when the user goes online. Sqlite is used as the database when offline and it gets synced to postgres on the server when ...
0
votes
1answer
739 views

Architecture for Online-Offline Web Application

I have a data-driven legacy system (has a Java Swing client and a JavaEE application server) in my workplace, This system uses a single database for querying and modifying data. Recently we've been ...
0
votes
0answers
267 views

Best options to get centralized PHP/MySQL app working in a distributed (offline) manner?

I have a situation where we have an old PHP/mySql application (10 years old, no framework, about 10 tables) that is used on a few facilities (less than 10) in different parts of the world. The main ...
0
votes
0answers
32 views

Sync approach from mobile to server and vice versa

We are working on a enterprise application which will be used on web as well as mobile. As per clients requirement the mobile application needs to work offline and sync the data with the server when ...
1
vote
1answer
127 views

Publish and Subscribe (data transfer) with permanently offline nodes. Are message queues a good fit?

The general question is what kind of mechanism can I use to transfer data to and from publishers and subscribers where publishers or subscribers can be permanently offline? Can message queues be used ...
5
votes
1answer
1k views

What is a good software architecture for POS with offline mode?

I have a software for small delivery stores (pizzeria, Japanese, etc) here in Brazil running on a few dozen customers and have the possibility to expand it to many more customers after evolving it ...
2
votes
3answers
277 views

Data from devices with unreliable clocks

Are there any viable approaches to dealing with data coming from devices with unreliable clocks? We have a database system running on a central server. The latest addition to the system is a bunch of ...
1
vote
1answer
171 views

Terminology for partial offline database synchronization

I am looking for solutions for a field where I think I don't know the adequate terminology. The problem is that I have a central SQL database in the cloud. Then I have child databases only containing ...
3
votes
1answer
1k views

The future of application cache in HTML 5 [closed]

I had previously deployed application storage in HTML5 to great success in the deployment stage of a few client projects. I used the app cache feature mostly as a way to allow my clients to remotely ...
1
vote
1answer
227 views

Is there a way to download Google's voice recognition API so it can be used offline? [closed]

I'm playing with Google's voice recognition for a personal project and I have a fun little Q&A program written in Python using it. The problem, as it were, is that it means I have to be connected ...
1
vote
1answer
874 views

offline application development for mobile devices

I am looking to develop an application whereby field staff can complete forms in an offline capacity (when onsite I`m assuming no internet connection) on an Apple or Android device and post the ...
1
vote
1answer
793 views

How do browsers handle URLs in HTML5 offline mode?

I just read the de facto standard for HTML5 offline/localStorage. It has me curious: if I build my web app to work regardless of whether or not there's an internet connection, and I use HTML5 ...
0
votes
0answers
600 views

Javascript and SQL Lite (multi browser offline SQL/database query)

I'm in the elections division of my county and am trying to simplify a voter lookup method for our poll judges during election time. Currently we are using a clunky heavy application that the judges ...
41
votes
2answers
9k views

Strategy for generating unique and secure identifiers for use in a “sometimes offline” web app

I have a web based project that allows users to work both online and offline and I'm looking for a way to generate unique ids for records on the client side. I'd like an approach that works while a ...
74
votes
3answers
42k views

How is localStorage different from indexedDB?

localStorage and indexedDB are used for offline storage of data in HTML5. What are their key differences and which one is preferable in what situations?