coding-style

Should methods in a Java interface be declared with or without a public access modifier?

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Should methods in a Java interface be declared with or without the public access modifier? Technically it doesn’t matter, of course. A class method that implements an interface is always public. But what is a better convention? Java itself is not consistent in this. See for instance Collection vs. Comparable, or Future vs. ScriptEngine. 12 … Read more

Acronyms in CamelCase [closed]

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Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 3 years ago. Improve this question I have a doubt about CamelCase. Suppose you have this acronym: Unesco = United Nations Educational, … Read more

What’s the purpose of using braces (i.e. {}) for a single-line if or loop?

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I’m reading some lecture notes of my C++ lecturer and he wrote the following: Use Indentation // OK Never rely on operator precedence – Always use parentheses // OK Always use a { } block – even for a single line // not OK, why ??? Const object on left side of comparison // OK … Read more

Good Haskell source to read and learn from [closed]

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As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for … Read more

Declaring multiple variables in JavaScript

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In JavaScript, it is possible to declare multiple variables like this: var variable1 = “Hello, World!”; var variable2 = “Testing…”; var variable3 = 42; …or like this: var variable1 = “Hello, World!”, variable2 = “Testing…”, variable3 = 42; Is one method better/faster than the other? 19 Answers 19

Vim 80 column layout concerns

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The way I do 80-column indication in Vim seems incorrect:set columns=80. At times I also set textwidth, but I want to be able to see and anticipate line overflow with the set columns alternative. This has some unfortunate side effects: I can’t set number for fear of splitting between files that have different orders of … Read more

Is there a better way of writing v = (v == 0 ? 1 : 0); [closed]

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Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 3 years ago. Improve this question I want to toggle a variable between 0 and 1. If it’s 0 I want to … Read more

What is the most effective way to get the index of an iterator of an std::vector?

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I’m iterating over a vector and need the index the iterator is currently pointing at. AFAIK this can be done in two ways: it – vec.begin() std::distance(vec.begin(), it) What are the pros and cons of these methods? 10 s 10 I would prefer it – vec.begin() precisely for the opposite reason given by Naveen: so … Read more