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Questions tagged [user-interaction]

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33 votes
7 answers
8k views

Why do modern operating systems *ever* have perceptible input (keyboard/mouse) lag?

Sometimes computers stutter a bit when they're working hard, to the point where the mouse location freezes for a fraction of a second, or stutters intermittently for a few seconds. This sometimes ...
Paul Calcraft's user avatar
0 votes
0 answers
70 views

Design Patterns for an Interaction Heavy App

For an app like Figma, for example, how do engineers deal with the various states a user can be in? A user can select an element. This element is now surrounded by a thin blue line to indicate it was ...
user82395214's user avatar
0 votes
0 answers
50 views

Drag and drop and handling huge amount of documents to update position

I'm having a series of data as documents in a document db (CouchDB) Sample of a document looks like below { _id: xxx _rev: xxx data: xxx position: 1 } These documents displays in a web front-end ...
inckka's user avatar
  • 129
-3 votes
4 answers
380 views

How to break the vicious cycle of test-writing preceding an initial release?

I'm developing a FOSS library which I am pretty fond of. More specific details probably don't matter. I've already "finished" a feature set sufficient for an initial release IMHO. However - some of ...
einpoklum's user avatar
  • 2,574
0 votes
1 answer
834 views

Python - Type Hinting specific sized Vectors

Considering a class method that takes a "vector" (Tuple or List of either int or float) of defined values such as the following: import sys from numpy import isnan, array, float64 class Shape: """ ...
lucasgcb's user avatar
  • 365
-1 votes
1 answer
79 views

How should I update back-end data (e.g. follows, likes, etc.) which changes at an inconsistent rate?

(This is a conceptual question but as reference, I'm using Android Studio (Java) and Firebase Firestore...) My app currently has a structure where the user can follow authors and favorite their works....
Jonny's user avatar
  • 99
6 votes
1 answer
2k views

Where should the display messages on the UI be stored?

I am a backend developer and was having this argument yesterday with a frontend dev in my team about whether or not should I let him fetch the displayable text message about the result of an operation ...
Rajan Prasad's user avatar
-2 votes
1 answer
505 views

How to implement a CLI interaction with running java programm? [closed]

I would like your tipps about implemening a command line interface to interact with a running java application. Example: The Java Application is a webserver and a cli-client should interact with it: ...
User8461's user avatar
  • 113
-5 votes
1 answer
65 views

Easiest way to add tracking of interactivity (mouse clicks, scrolls, multi-touch gestures) to a React Web App already developed?

Context: we have a responsive web application developed in React.js, which we have successfully used a few times to run user studies on Amazon Mechanical Turk. Now, we would like to add interactivity ...
Pablo Messina's user avatar
5 votes
3 answers
361 views

Is it fine to trap users in a dialog until they enter valid values into components? [closed]

Assume I have a modal dialog where I allow the user to change values of an encapsulated configuration through different UI components and I want to save the effort to implement a validation per ...
Kalle Richter's user avatar
3 votes
1 answer
80 views

Interactive review of data in modal before inserting in db

I'm looking for a conceptual approach to a problem. I'm building a web app that imports data from a source I don't control. The data quality is pretty high, but occasionally, the data does not make ...
globalSchmidt's user avatar
0 votes
2 answers
450 views

Detecting and Dealing with obscene language in user input

I've seen some pretty darned restrictive 'chat-systems' in kids games, that make it nigh-on-impossible to get much of a message across whilst typing. So, I looked at some ideas, and there where two ...
AJF's user avatar
  • 211
5 votes
1 answer
773 views

How advanced are author-recognition methods?

From a written text by an author if a computer program analyses the text, how much can a computer program tell today about the author of some (long enough to be statistically significant) texts? Can ...
Niklas Rosencrantz's user avatar
-7 votes
2 answers
290 views

What is a key event Dispatcher in keyboard-interactive apps? [closed]

What is a : Key-Event Dispatcher ? in keyboard-interactive apps. What does it really do ?
MD. Mohiuddin Ahmed's user avatar
4 votes
1 answer
522 views

Asynchronous update design/interaction patterns

These days many apps support asynchronous updates. For example, if you're looking at a list of widgets and you delete one of them then rather than wait for the roundtrip to the server, the app can ...
Andy Waite's user avatar

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