Every day I love python more and more. Today, I was writing some code like: for i in xrange(N): do_something() I had to do something N times. But each time didn’t depend on the value of i (index variable). I realized that I was creating a variable I never used (i), and I thought “There … Read more
Are there any advantages of std::for_each over for loop? To me, std::for_each only seems to hinder the readability of code. Why do then some coding standards recommend its use? 22 Answers 22
Something I have found myself doing often lately is declaring typedefs relevant to a particular class inside that class, i.e. class Lorem { typedef boost::shared_ptr<Lorem> ptr; typedef std::vector<Lorem::ptr> vector; // // … // }; These types are then used elsewhere in the code: Lorem::vector lorems; Lorem::ptr lorem( new Lorem() ); lorems.push_back( lorem ); Reasons I … Read more
For the following block of code: For I = 0 To listOfStrings.Count – 1 If myString.Contains(lstOfStrings.Item(I)) Then Return True End If Next Return False The output is: Case 1: myString: C:\Files\myfile.doc listOfString: C:\Files\, C:\Files2\ Result: True Case 2: myString: C:\Files3\myfile.doc listOfString: C:\Files\, C:\Files2\ Result: False The list (listOfStrings) may contain several items (minimum 20) and … Read more
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 4 years ago. Improve this question I have a class which uses an enumeration, the enum is currently in its own file … Read more
This question already has answers here: Why would one omit the close tag? (14 answers) Closed 7 years ago. In some scripts I see that they omit writing a closing tag ?> for the script. Why is it and should I do this as well? (I’m sure they have not forgotten it.) 7 Answers 7
I know that it isn’t the most vital of issues, but I just realised that I can put the javadoc comment block before or after the annotation. What would we want to adopt as a coding standard? /** * This is a javadoc comment before the annotation */ @Component public class MyClass { @Autowired /** … Read more
Assuming I have an ArrayList ArrayList<MyClass> myList; And I want to call toArray, is there a performance reason to use MyClass[] arr = myList.toArray(new MyClass[myList.size()]); over MyClass[] arr = myList.toArray(new MyClass[0]); ? I prefer the second style, since it’s less verbose, and I assumed that the compiler will make sure the empty array doesn’t really … Read more
Eg. boolean isCurrent = false; What do you name its getter and setter? 10 Answers 10
Should I use exit() or just return statements in main()? Personally I favor the return statements because I feel it’s like reading any other function and the flow control when I’m reading the code is smooth (in my opinion). And even if I want to refactor the main() function, having return seems like a better … Read more
