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17
votes
3answers
2k views

Approaches to checking multiple conditions? [duplicate]

What is the best practice for checking multiple conditions, in no particular order? The example in question needs to check four distinct conditions, in any order, and fail showing the correct error ...
10
votes
3answers
2k views

How to tackle a 'branched' arrow head anti-pattern? [duplicate]

I recently read this question that features, the arrow anti-pattern. I have something similar in code I'm trying to refactor except that it branches. It looks a little something like this: ...
102
votes
22answers
10k views

Elegant ways to handle if(if else) else

This is a minor niggle, but every time I have to code something like this, the repetition bothers me, but I'm not sure that any of the solutions aren't worse. if(FileExists(file)) { contents = ...
27
votes
3answers
5k views

if ('constant' == $variable) vs. if ($variable == 'constant')

Lately, I've been working a lot in PHP and specifically within the WordPress framework. I'm noticing a lot of code in the form of: if ( 1 == $options['postlink'] ) Where I would have expected to ...
8
votes
6answers
7k views

Clarification of “avoid if-else” advice [duplicate]

The experts in clean code advise not to use if/else since it's creating an unreadable code. They suggest rather using IF and not to wait till the end of a method without real need. Now, this if/else ...
64
votes
32answers
18k views

Ternary operator considered harmful? [closed]

For example, would you prefer this one-liner int median(int a, int b, int c) { return (a<b) ? (b<c) ? b : (a<c) ? c : a : (a<c) ? a : (b<c) ? c : b; } or an if/else solution ...
40
votes
11answers
18k views

Why do we have to use break in switch?

Who decided, and basing on what concepts, that switch construction (in many languages) has to be, like it is? Why do we have to use break in each statement? Why do we have to write something like ...
12
votes
12answers
10k views

How would you refactor nested IF Statements? [duplicate]

I was cruising around the programming blogosphere when I happened upon this post about GOTO's: http://giuliozambon.blogspot.com/2010/12/programmers-tabu.html Here the writer talks about how "one ...
0
votes
1answer
194 views

Avoid Code Repetition in Condition Statements [duplicate]

I have been programming for over 15 years now. I consider myself a very good programmer, but I understand (like all of us) there are things that I need to work on. One of these things is code ...
8
votes
4answers
1k views

Is the use of explicit ' == true' comparison always bad? [duplicate]

Possible Duplicate: Make a big deal out of == true? I've been looking at a lot of code samples recently, and I keep noticing the use of... if( expression == true ) // do something... ...