Linked Questions

2 votes
1 answer
1k views

Does it make sense to use byte instead of int in Java? [duplicate]

Recently, I had to implement a business rule in a certain project. The rule basically consisted of checking a range between 1 and 12, values that would be used later, in some way, with Bootstrap. ...
Warlock's user avatar
  • 69
200 votes
32 answers
47k views

Is micro-optimisation important when coding?

I recently asked a question on Stack Overflow to find out why isset() was faster than strlen() in PHP. This raised questions around the importance of readable code and whether performance improvements ...
189 votes
21 answers
24k views

A large part of my code has a major design flaw. Finish it off or fix it now? [closed]

I am a high school student working on a C# project with a friend of mine with about the same skill level as me. So far, we have written roughly 3,000 lines of code and 250 lines of test code in a span ...
oldmud0's user avatar
  • 1,583
82 votes
14 answers
5k views

When is optimization not premature and therefore not evil?

"Premature optimization is root of all evil" is something almost all of us have heard/read. What I am curious what kind of optimization not premature, i.e. at every stage of software development (high ...
Gaurav's user avatar
  • 3,729
52 votes
6 answers
11k views

Is denormalising a database for speed an anti-pattern?

I have a database with a 1:m relationship. I have to display a list of parents to the user rapidly on a home screen at startup. The parent shows a single piece of information that is a sum of a ...
tommytucker7182's user avatar
35 votes
10 answers
10k views

Am I right that switching programming languages will have little impact on the scalability of a CRUD API?

An external consultant to our team advised us to rewrite our SaaS offering (essentially a CRUD API) in .NET because this is more "scalable" than using Node.js (or Ruby on Rails, Flask, etc.)....
Vincent's user avatar
  • 544
21 votes
6 answers
7k views

How do I document my code for minimum time review? [closed]

I want to document my code such that there is minimum need for reading and browsing the code again months later. I know that there are different types of documentation (in source code and outside, ...
Reza Akraminejad's user avatar
30 votes
9 answers
4k views

How to deal with misconceptions about "premature optimization is the root of all evil"?

I've encountered many people who are dogmatically against anything which can be considered "optimization" in the general English-language sense of the word, and they very often quote verbatim the (...
errantlinguist's user avatar
13 votes
3 answers
473 views

Using static type checking to protect against business errors

I'm big a fan of static type checking. It prevents you from making stupid mistakes like this: // java code Adult a = new Adult(); a.setAge("Roger"); //static type checker would complain a.setName(42)...
J-bob's user avatar
  • 299
14 votes
1 answer
807 views

How to prevent a colleague introducing extreme complexity and abstraction?

I am having a very difficult time because my colleague seems to exhibit Premature/Unnecessary optimization efforts Premature deduplication with questionable abstractions For example, we use a ...
Earl Grey's user avatar
  • 628
1 vote
5 answers
921 views

Avoiding exceptions for performance optimization

In our code base, I see a lot of code like this var error = ValidatePhoneNumber(userId, phoneNumber); //if validation fails, return error if(!string.IsNullOrEmpty(error)) { return error; } If I ...
Microsoft Excel's user avatar
2 votes
3 answers
4k views

Is it bad practice for my backend to call 3rd party API's synchronously when processing a request?

I use a third party API on my webapp that is accessed when the user requests a particular ressource. I'm worried that the successive API calls happening upon user's request might cause the user to ...
Jad S's user avatar
  • 561
1 vote
2 answers
934 views

Separate methods or single method with if statement?

I'm working on a .NET application and I'm wondering if I should use separate methods to handle the click events of two different buttons. They essentially do the same thing, just on different objects ...
Cuthbert's user avatar
  • 201
0 votes
3 answers
7k views

ASP.NET MVC - Using Session Variables or Caching to prevent unnecessary calls. Is it a good practice in general?

I have an application that consists of multiple sections of which each section will need to load data from various API calls. Now I'm thinking of taking advantage of Session variables(or caching) to ...
knewit's user avatar
  • 17
2 votes
3 answers
292 views

When defining constants, which is more important? Easier to find? Or narrower scope?

For example, consider I have constants VOL_MIN and VOL_MAX, which is used inside 1 function only: public void setVolume(int val){ final int VOL_MIN = 1; final int VOL_MAX = 10; val=Math....
ocomfd's user avatar
  • 5,712
5 votes
3 answers
343 views

How to design and join more complex entities

I am developing a small ERP software. I'm wondering how to design entities as well as where to join them. I'm just gonna start with an example, that makes it way easier. Say I'm modelling a ...
DFENS's user avatar
  • 375
3 votes
2 answers
377 views

Minimizability or readability?

I am authoring a lot of plugins for the content management system that I am writing. I believe it to be of utmost importance that script files (especially if they're plugins) should load quickly, ...
Luke Madhanga's user avatar
1 vote
2 answers
127 views

Preload Lookup Values on Startup of Application, or Fetch Them As Necessary?

We have all kinds of Lookups in our application, stored in a separate table, LOOKUP_T. Should the application load them all on startup, and keep them in a global lifecycle variable -- or is it OK to ...
gene b.'s user avatar
  • 315
0 votes
1 answer
165 views

Am I overengineering my application? [duplicate]

At present moment, my desktop application operates purely on file names. That is, it parses file names and then reasons about the data contained therein. However, in the future, I see that there is a ...
the_endian's user avatar
  • 1,152
-3 votes
1 answer
108 views

Pythonic way of writing `for my_var in my_iterable` [closed]

A very common pattern in python is: for something in ['an', 'iterable']: func(something) I almost always see the iterable as a list (like in this example), but it could very well be a tuple, set,...
s g 's user avatar
  • 115
2 votes
1 answer
85 views

Making use of constant data

My team is working on an android app. A co-worker and I have different ideas on how to load constant data. To clarify, the data we are going to use are 100 × (n × 〈integer-integer pair〉) where 10 &...
Attacktive's user avatar