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Why would someone want to use a linked-list over an array? Coding a linked-list is, no doubt, a bit more work than using an array and one may wonder what would justify the additional effort. I think insertion of new elements is trivial in a linked-list but it’s a major chore in an array. Are … Read more
To avoid all standard-answers I could have Googled on, I will provide an example you all can attack at will. C# and Java (and too many others) have with plenty of types some of ‘overflow’ behaviour I don’t like at all (e.g type.MaxValue + type.SmallestValue == type.MinValue for example : int.MaxValue + 1 == int.MinValue). … Read more
I have an n x m matrix consisting of non-negative integers. For example: 2 3 4 7 1 1 5 2 6 2 4 3 4 2 1 2 1 2 4 1 3 1 3 4 1 2 1 4 3 2 6 9 1 6 4 “Dropping a bomb” decreases by one the … Read more
I’ve long been under the impression that goto should never be used if possible. However, while perusing libavcodec (which is written in C) the other day, I was surprised to notice multiple uses of it. Is it ever advantageous to use goto in a language that supports loops and functions? If so, why? Please provide … Read more
A reddit thread brought up an apparently interesting question: Tail recursive functions can trivially be converted into iterative functions. Other ones, can be transformed by using an explicit stack. Can every recursion be transformed into iteration? The (counter?)example in the post is the pair: (define (num-ways x y) (case ((= x 0) 1) ((= y … Read more
Assuming a URL of: www.example.com/?val=1#part2 PHP can read the request variables val1 using the GET array. Is the hash value part2 also readable? Or is this only upto the browser and JavaScript? 12 Answers 12
I was reading design patterns from a website There I read about Factory, Factory method and Abstract factory but they are so confusing, am not clear on the definition. According to definitions Factory – Creates objects without exposing the instantiation logic to the client and Refers to the newly created object through a common interface. … Read more
I have some code and when it executes, it throws a IOException, saying that The process cannot access the file ‘filename’ because it is being used by another process What does this mean, and what can I do about it? 11 Answers 11
Closed. This question is opinion-based. It is not currently accepting answers. Closed 6 years ago. Locked. This question and its answers are locked because the question is off-topic but has historical significance. It is not currently accepting new answers or interactions. Routines can have parameters, that’s no news. You can define as many parameters as … Read more
