Linked Questions

0
votes
2answers
497 views

Why does File.Open in .Net throw exceptions and not follow exception handling best practices? [duplicate]

I have read at many places including this - http://msdn.microsoft.com/en-us/library/seyhszts.aspx - that you should use exception handling when something is truly exceptional. The .Net File.Open ...
0
votes
1answer
909 views

Either Monad and Exceptional Circumstances [duplicate]

I have a function returning an Either such as GetUserFromDb(int id). If the database is offline, should I catch the error in the function and wrap it in a failure / Left case or should I let it ...
0
votes
1answer
120 views

Simple but frequently throwing vs reasonable but rarely throwing vs complex but never throwing [duplicate]

A lot of code that's designed to convert or parse some data of type Foo into a Bar is written with the assumption that one wouldn't intentionally pass it invalid inputs. As such, it assumes that ...
0
votes
3answers
108 views

Should I use an Exception in a case like this? [duplicate]

I have a Windows service with a fluent interface like this: aRequest = Repository.getRequest() .createProcess() .validate(); Sometimes getRequest() could ...
337
votes
19answers
46k views

How would you know if you've written readable and easily maintainable code?

How would one know if the code one has created is easily readable, understandable, and maintainable? Of course from the author's point of view, the code is readable and maintainable, because the ...
45
votes
14answers
5k views

Why are errors named as “Exception” but not as “Error” in programming languages?

I've been thinking about that for quite a while actually. I am not a native english speaker myself but still I have years of programming experience and I always asked me this. Why is it named as ...
33
votes
8answers
10k views

Is throwing an exception an anti-pattern here?

I just had a discussion over a design choice after a code review. I wonder what your opinions are. There's this Preferences class, which is a bucket for key-value pairs. Null values are legal (that'...
16
votes
11answers
5k views

What is better IllegalStateException or silent method execution? [closed]

Let's say I have a MediaPlayer class which has play() and stop() methods. What is the best strategy to use when implementing the stop method in case when the play method has not been called before. I ...
12
votes
5answers
5k views

Should service throw exception or return when no items specified for deletion

I have a piece of code that can be represented as: public class ItemService { public void DeleteItems(IEnumerable<Item> items) { // Save us from possible NullReferenceException ...
0
votes
2answers
605 views

Exception Handling: When and Why?

The main languages I use are C++ and Java. Both languages support exception handling. I confess, I may not actually understand exception handling, at least, I certainly don't understand why you ...
4
votes
2answers
1k views

Error handling and exceptions in a layered (or onion) architecture [closed]

Given an onion architecture, what are the advantages and disadvantages of throwing exceptions in the business logic (which is in the center of the onion) for invalid parameters provided by the user? ...
0
votes
1answer
92 views

Sending Out Functions To Return Or To Die

Which is preferable for both solid technique and secure coding? Example #1: function_one() blah; function_two() blah; print blah; exit; ... Example #2: ...