Questions tagged [efficiency]
Use this tag in reference to comparing the efficiency of various systems or algorithms, or methods to measure efficiency. Big O notation is more related to complexity, but could affect efficiency.
183 questions
8
votes
9
answers
6k
views
Does it make sense to keep two different versions of code?
I am developing projects for my private use and have been wondering how I should design my projects. I always try to keep the code as efficient and concise as possible and as readable as possible. ...
- 253
1
vote
2
answers
479
views
Most efficient mapping of pixel to colors with colormaps
I'm working on a module that handles colormaps and I want to make the mapping of pixel to colors as efficient as possible. It is a performance critical section of our app. Our current solution works ...
- 493
24
votes
6
answers
9k
views
Best practice for redundant conditions in if-elif-else statements
What is considered better practice?
Case 1:
if n == 0:
doThis()
elif n < 0:
doThat()
elif n > 0:
doSomethingElse()
Case 2:
if n == 0:
doThis()
elif n < 0:
doThat()
else:
...
- 351
0
votes
4
answers
384
views
Do blockchains provide any improvement over conventional systems/frameworks when decentralization is not required?
I generally understand the blockchain framework. I have spent much time learning about how it, potentially alone, is able to provide for a decentralized system. For TRUE/ABSOLUTE decentralization, it ...
- 173
1
vote
0
answers
146
views
Is there an optimal strategy for placing rectangles inside a window without overlapping?
My specific problem is that I have a vertically scrollable window into which I need to place rectangular <div> elements that are locked horizontally and have different widths and heights. ...
- 111
0
votes
1
answer
298
views
How is it possible to have an efficient edit-compile-try cycle on large codebases?
Related (but different) question:
How do you dive into large code bases?
I have always worked on small projects where editing a piece of code is easy: you modify the code, you recompile and in a ...
- 69
4
votes
7
answers
8k
views
Representing a large list of complex objects in JSON
I am currently developing an API that returns JSON structures. One of the domain objects returned is a time series, which is a potentially large list (many thousands of elements) of complex objects.
...
- 204
-1
votes
1
answer
93
views
In a language interpreted line by line - is optimizing similar lines of code within a module into functions better in terms of efficiency? [duplicate]
While writing python code (I write python-selenium for GUI automation), I am facing situations wheer I have to deal with 5 widgets that do the same thing, just there xpath is differs by one term.
# ...
- 101
0
votes
3
answers
5k
views
Is it any more efficient to reuse a variable than to create a new object?
In a project I am working on we load various entities from the database, do some work then attempt to save the resulting entities.
If saving the result is not successful, we return a Result object ...
- 29
-1
votes
3
answers
2k
views
Does wrapping functions/'things' in classes reduce efficiency?
I was reading some C++ object-oriented programming notes that mentioned that we should avoid wrapping functions in classes if it is not required, since wrapping 'things' in classes would reduce ...
- 149
33
votes
4
answers
7k
views
I am spending more time installing software than coding. Why?
I am developing code mainly using Bash, C, Python and Fortran and recently also HTML/CSS+JavaScript. My OS is Ubuntu.
Maybe I am exaggerating, but I figured that I kind of spend more time getting ...
- 457
9
votes
12
answers
5k
views
Why do or should programmers save data in text based formats like JSON or XML instead of binary?
I see a lot of reasons to use binary over text-based formats.
With binary, I find it a lot easier. I can use fread(data, sizeof(struct DataStruct), 1, fileptr) to read, or fwrite to write data. I ...
- 243
2
votes
2
answers
135
views
How can I efficiently make changes to a large module without having to re-run every time?
When making changes to larger modules in Python, this is my current (inefficient) process:
Make needed change to code
Run program to test (using pdb - python3 -m pdb path/to/script.py
Program will ...
- 129
3
votes
3
answers
236
views
In which order perform tasks from big backlog
I have a big backlog of tasks gathered during last years. And new tasks are added occasionally. All tasks have the same priority and tasks never expire over time.
I was thinking of the reasonable way ...
- 155
1
vote
1
answer
867
views
Write complex query OR write simpler queries and combine the results in Backend service?
Take the following statement for example:
'Get results for ALL Active students of a Course'.
Naturally, this query has 2 parts,
Get all active students of the course.
Get results of those active ...
- 129