methods

问题 I have many functions with different content but the parameters and try catch inside is almost similar. Is there anyway to wrap the function up so that can reduce redundant codes. ResponseStatus GetPotatoList(GetPotatosRequest requestParam, out GetPotatosResponse response, out ResponseErrorType errorType) { ResponseStatus status = ResponseStatus.Fail; response = new GetPotatosResponse(); //To Do try { //To Do status = ResponseStatus.Success; } catch(CustomException ex) { errorType =

问题 I'm trying to create a simple program to output the number of stars entered by user. I'm trying to learn how to use more than one method to do this Here's my code import java.util.Scanner; public class Alpha { public static void main(String args[]) { Scanner input = new Scanner(System.in); int n; System.out.println("Enter no. of stars"); n = input.nextInt(); } public static void Loop () { for (int counter = 1; counter <= n; counter++) { System.out.println("*"); } } } The problem I'm facing is

问题 First, let me say that I hope that it is proper SO etiquette to be asking this in the same post as my original. It's all in the same vein, but I'm not sure this is proper. So, please, if I'm not right, correct me so I can fix it. I created a macro to perform a TextToColumns a while back. I edited and cleaned up the macro. It was working just fine until I started propagating data into those fields using formulas instead of manually copying data into them, which was what I used to do. Now, I've

问题 I have a class to connect to my database, strip stuff and return things from a db query. Anyhow, the problem I am having is that I am trying to call runQuery() method but every time I try, I get this error: Fatal error: Call to undefined function runQuery() in DatabaseConnector.php line 22 Any ideas perhaps? I know runQuery is private but it is within the same class. Just for kicks I changed it to public any way, and still got the same error :( final class DatabaseConnector { private $db;

问题 Lets say i want to dynamically load a class in java and call it's start() (has no params) method: Class<?> c = Class.forName("AbuseMe"); c.getMethod("start").invoke(c.newInstance()); Would this be a good/safe way to do it? 回答1: Looks good to me. If you're doing a lot of reflection-related code you might look at Apache Beanutils or Apache OGNL or something similar. 回答2: Reflection is a very useful approach to deal with the Java class at runtime, it can be use to load the Java class, call its

问题 I want to create a redirect method that could be called from other methods. Unfortunately, I can't do it as I want (see source below). I propose a solution, but I want to redirect just calling the method, not doing more stuff. My solution: class FooController extends Controller { public function foo(Request $request) { if ($result = $this->__check($request)) { return $result; } return view('foo'); } private function __ckeck(Request $request) { if (doSomething) { return redirect('/'); } return

问题 I recently upgraded my application from iOS3 to iOS5. And at compile time I have several warnings for using deprecated methods. Two questions: 1- Will I have problems when run the application in an iPhone with iOS 5? 2- If I did not update the methods, Will Apple accept the application when uploading it to the AppStore? 回答1: You will probably not have a problem on iOS 5 devices using methods that the compiler is telling you are deprecated. Of course, it would be a good thing to clear up this

问题 I just got some feedback about a job application Java coding exercise. They did not like the solution and two problems where stated in the feedback (which I'm very grateful for as it's very rare feedback is given): I did not use TDD approach, apparently. I overused static methods, I know static methods are anti OO but I only used them in validation and util type methods. So two questions here: What are the possible tell-tale signs of not using TDD approach? What coding style or patterns can

问题 IF both methods are declared as virtual, shouldn't both instances of Method1() that are called be the derived class's Method1()? I am seeing BASE then DERIVED called each time. I am doing some review for an interview and I want to make sure I have this straight. xD class BaseClass { public: virtual void Method1() { cout << "Method 1 BASE" << endl; } }; class DerClass: public BaseClass { public: virtual void Method1() { cout << "Method 1 DERVIED" << endl; } }; DerClass myClass; ((BaseClass

问题 Are Java final methods automatically inlined? Many books says yes many books says no!!! 回答1: Interesting question, prompted me to look into it further. 2 interesting remarks I found - 1 comment that automatic inlining is a bug: Contrary to the implication of many tips, methods declared as final cannot be safely inlined by the compiler, because the method could have a non-final declaration at runtime. To see why, suppose the compiler looks at class A and subclass B, and sub-subclass C and sees