return Questions

6

Solved

I am a Ruby programmer who has ended up developing a code generate for C. Its like asking a Limo to tow a 1960s truck. Any way. Here is what I thought should work but doesnt work. float[][] pixel...
Pumpernickel asked 5/3, 2011 at 4:36

9

Solved

I am told to Write a function, square(a), that takes an array, a, of numbers and returns an array containing each of the values of a squared. At first, I had def square(a): for i in a: print i...
Fleisher asked 23/9, 2012 at 19:17

4

Solved

I am writing library which wraps a lot of functions and methods from other library. To avoid coping of return values I am applying std::forward like so: template<class T> T&& wrapper...
Portwin asked 18/10, 2012 at 6:4

8

Solved

I was wondering if it was possible to do a ternary operation but without returning anything. If it's not possible in Java is it possible in other languages, if so which ones apply? name.isChecked...
Chinua asked 26/2, 2012 at 5:39

10

I'm still new to python and have been trying to get the hang of it. I've been trying to learn simple return methods but I can't seem to get the hang of it. I have been trying to find the distance ...
Eardrum asked 26/1, 2014 at 21:27

5

Solved

I am currently in a personal learning project where I read in an XML database. I find myself writing functions that gather data and I'm not sure what would be a fast way to return them. Which is g...
Brockway asked 15/8, 2010 at 14:34

5

Solved

I’m using Spring 3.2.11.RELEASE and JUnit 4.11. Using the Spring mockMvc framework, how do I check if a method returning JSON data contains a particular JSON element? I have mockMvc.perform(get("...
Detonator asked 17/5, 2016 at 18:45

8

Solved

Consider the following snippet: void Foo() { // ... } void Bar() { return Foo(); } What is a legitimate reason to use the above in C++ as opposed to the more common approach: void Foo() { /...
Chervil asked 8/8, 2010 at 15:15

3

Solved

It's fairly well documented that foreach processing speed varies depending on the way a foreach loop is carried out (ordered from fastest to slowest): .ForEach() method foreach ($item in $collecti...
Votive asked 15/12, 2023 at 4:50

8

I can't understand exactly how return works in try, catch. If I have try and finally without catch, I can put return inside the try block. If I have try, catch, finally, I can't put return in the...
Scourge asked 26/6, 2018 at 7:12

4

Solved

I have browsed around and other solutions don't seem to be working for me here. I keep getting a 'No return found for function' error when trying to create this function in MySQL. Any idea why? CRE...
Ballman asked 17/9, 2012 at 1:11

10

Solved

JavaScript: function getValue(){ var num1 = document.getElementById("firstNum").value; var num2 = document.getElementById("secondNum").value; return (num1, num2); } function add(){ getVal...
Odelle asked 14/3, 2015 at 1:26

21

Solved

I have an array int arr[5] that is passed to a function fillarr(int arr[]): int fillarr(int arr[]) { for(...); return arr; } How can I return that array? How will I use it, say I returned a p...
Jeaniejeanine asked 13/8, 2010 at 2:17

13

Solved

I have a number of functions which either return something or throw an error. In a main function, I call each of these, and would like to return the value returned by each function, or go on to the...
Proceeds asked 23/4, 2011 at 12:15

52

Solved

Considering this code, can I be absolutely sure that the finally block always executes, no matter what something() is? try { something(); return success; } catch (Exception e) { return fai...
Gridley asked 15/9, 2008 at 17:43

2

Solved

I would like to write an R function that returns silently, like what I get from the barplot function for example. I mean that I can store an output in a variable if I do output = myfunction(), but...
Beaujolais asked 9/6, 2014 at 14:30

1

Solved

If I am not mistaken, it is allowed to write return void() in function templates to avoid unnecessary specializations and overloads for void type. At the same time, a similar syntax return vo...
Literator asked 20/6, 2023 at 19:10

9

I have this piece of code which creates a new note. When I try to print, I get the following error even though it prints the output: Error: C:\Python27\Basics\OOP\formytesting>python notebook.py...
Holy asked 8/8, 2012 at 18:53

10

I want to get a return value from Javascript in Android. I can do it with the iPhone, but I can't with Android. I used loadUrl, but it returned void instead of an object. Can anybody help me?
Pyrotechnics asked 21/7, 2010 at 11:14

1

Solved

I have a program that behaves differently in GCC and Clang. After simplification the minimal reproducible example is struct A { int i; }; struct Finisher { A & a; ~Finisher() { a.i = 1; } }...
Tocsin asked 2/6, 2023 at 18:26

8

Solved

I'm looking at a path finding tutorial and I noticed a return statement inside a void method (class PathTest, line 126): if ((x < 0) || (y < 0) || (x >= map.getWidthInTiles()) || (y >=...
Latten asked 13/4, 2009 at 17:27

10

Solved

Is there a way to return several values in a function return statement (other than returning an object) like we can do in Go (or some other languages)? For example, in Go we can do: func vals() (...
Biotype asked 26/7, 2017 at 11:58

4

Solved

I have this function that calls itself: def get_input(): my_var = input('Enter "a" or "b": ') if my_var != "a" and my_var != "b": print('You didn\'t type "a" or "b". Try again.') get_input() ...
Rackley asked 22/7, 2013 at 0:29

3

Solved

I'm writing a function that returns a serde_json::Value upon success (and failure). Previously in Rust I have been omitting the semicolon to return data from a function, like in the code example be...
Neume asked 23/11, 2019 at 23:52

7

I have an issue with a textarea that is defined on an asp.net page. The textarea is populated in the back end with text read directly from an mssql database. <div id="emailForm" runat="server" ...
Jegar asked 25/3, 2011 at 14:31

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