1
vote
5answers
404 views

What are the advantages of recursion compared to iteration? [duplicate]

I'm trying to understand when is preferred to use recursion rather than iteration. Actually I've encountered recursion only in Javascript but never in Python. I imagine that recursion should be used ...
1
vote
1answer
33 views

Performance and data retrieving

I'm currently developing a mobile application in Objective C for iOS devices. While doing the application I reach the point where I have to retrieve data from a database and show it on a table (the ...
2
votes
1answer
104 views

How to know, with good performance, which areas a certain point is in? [duplicate]

I'm interested in build a prototype that needs this sort of thing: Point A (xa, ya) with a radius of 500 meters. Point B (xb, yb) with a radius of 700 meters. Point C (xc, yc) with a radius of 1200 ...
5
votes
2answers
371 views

Buzzword for “performance-aware” software development

There seems to be an overabundance of buzzwords for software development styles and methodologies: Agile development, extreme programming, test-driven development, etc... well, is there any sort of ...
8
votes
3answers
388 views

Would it be better to have extra checks, or would it be a waste of time?

In your opinion, do you think it is a waste of time to make checks that you know there is no possible way of it being there/not being there, or would you just put it there just in case there is a bug ...
26
votes
9answers
2k views

Simple vs Complex (but performance efficient) solution - which one to choose and when?

I have been programming for a couple of years and have often found myself at a dilemma. There are two solutions - one is simple one i.e. simple approach, easier to understand and maintain. It ...
2
votes
3answers
1k views

Does mobile based (Android) development, benefit from Object Oriented Programming?

My development on Android is based on scientific programs and while I'm building these most of the code is in one or two long classes. When I come to deploy these programs I try to decouple everything ...
-4
votes
6answers
2k views

Is having two conditions in an IF statement faster than having two separate IF statements?

I just wonder if having two conditions in an IF statement executes faster than having it separated into two like these: Single Statement, two conditions if ( (conditionA == true) && ...
99
votes
11answers
18k views

Should we avoid object creation in Java?

I was told by a colleague that in Java object creation is the most expensive operation you could perform. So I can only conclude to create as few objects as possible. This seems somewhat to defeat ...
4
votes
11answers
732 views

Is a programmer's gut instinct an acceptable answer with regard to design decisions?

There are times where I can immediately recognize and suggest a fix for a problem design pattern. However, there are other times where putting it into words just isn't possible. I know something isn't ...