Questions tagged [data-structures]
Questions regarding efficient storage and representation of data within a software application.
904
questions
-1
votes
2
answers
134
views
Text files vs. MySQL Performance for Large Dataset
I am currently making a system for users to generate flashcards for Languages.
This involves adding information such as the definition, pronunciation, and example sentences for a word.
So far, I have ...
0
votes
1
answer
65
views
Advice on data structure for an analysis and visualisation tool (javascript)
I am writing a browser-based tool to manipulate and visualise data (with D3.js). Currently, I store data in a JSON format, where each table is an object and columns are arrays. eg:
{
"data&...
- 101
-1
votes
1
answer
71
views
Designing a Distributed System for Indigenous Data Sovereignty Across Nations [closed]
I'm looking for some quick "back-of-the-napkin" thoughts from systems engineers on the following scenario:
A collection of Indigenous groups (in the US, Canada, and Australia) want to design ...
3
votes
3
answers
381
views
Encapsulating a central soap service in a microservice?
I am currently developing an application (rest-backend and SPA) that requires information from people (personal data, department, superior... ). Our company has a central directory for this purpose. ...
- 67
1
vote
1
answer
71
views
How to reuse parts of a Trie data structure (like a Trie DAG)?
I am playing around with a cross-language spell-check sort of thing, and am still in the prototyping/ideation phases. Basically I have thought of something like a Trie data structure, but I keep ...
- 2,615
0
votes
1
answer
128
views
Elegant way in C to store many parameters with default value and current value in embedded flash
I'm programming an embedded system that has a number of user configurable parameters, which are stored in flash memory. I have to store a default value for each parameter as well as the user settings. ...
- 175
0
votes
1
answer
177
views
Best practice - depending on object key iteration order?
In Javascript, the iteration order of an Object is enforced since ES2020 (or before, depending...).
However, is it a good idea (i.e. best practice) to depend on this?
I'm currently working on a ...
- 723
1
vote
0
answers
194
views
Implementing a memory efficient Abstract Syntax Tree
I am writing a compiler in C++ 20. I am looking for ways to improve heap memory performance. For example, I can compile a 36.8 MB source file that is just many repeating lines of:
let x0: string = &...
- 19
2
votes
1
answer
156
views
Wondering about ADT abstract data classes in Python
I am trying to learn a little Python by myself and came accross this book Data Structures and Algorithms Using Python Rance D. Necaise 2011 , to get some proper/formal/correct definitions/terminology ...
- 137
3
votes
4
answers
1k
views
Representing vectors as arrays of points vs. as data structures
I'm writing a program in Java where I need to represent the position, scale, and other 3-dimensional properties of objects in a world using vectors.
I can use either of these two approaches:
...
- 613
-2
votes
1
answer
240
views
Making objects aware of their (consistent) IDs
Abstracted problem
I would like to be able to quickly refer to some (most likely non-hashable) objects. At the same time, I would like them to be aware of their own identity. The 2-way search should ...
- 7
5
votes
9
answers
3k
views
Methods to increase the amount of data sent in a packet
I have been working on launching high-altitude balloons (HABs, or weather balloons) and I have been using LoRa to enable long-range communication with my balloons. It's been great and pretty reliable, ...
- 75
1
vote
1
answer
346
views
Tagged pointers vs. fat pointers
I'm writing my own dynamic programming language. So far I've been using a tagged union for all values. Since this boxes primitive types needlessly, I've begun researching tagged pointers which seem to ...
- 111
0
votes
0
answers
83
views
What is the Big O notation of modifying an existing element in a heap data structure?
Wikipedia says "increase key" is O(log n) for a binary heap, but it is referring to an internal function. I'm not asking about that: Imagine the data structure had an external/public ...
- 6,784
1
vote
1
answer
230
views
Unordered Map with indexing and range based loops [closed]
I am creating a C++ library (more of a passion project to be honest). Its aim is to enhance the existing unordered_map STL by giving it indexing abilities and range-based loops, based on the order of ...
