default-value Questions
4
Solved
Is there a way to specify default value in Go's function? I am trying to find this in the documentation but I can't find anything that specifies that this is even possible.
func SaySomething(i str...
Capercaillie asked 26/10, 2013 at 22:10
6
Solved
I've run into another problem using C# 4.0 with optional parameters.
How do I invoke a function (or rather a constructor, I have the ConstructorInfo object) for which I know it doesn't require any...
Leibniz asked 11/3, 2010 at 1:42
1
I learnt about the SFINAE principle and its various uses. Then I wrote the following program that compiles with gcc but not with msvc and clang. Live demo.
#include <iostream>
#include <ty...
Faceless asked 25/11, 2022 at 13:8
4
Solved
I have a table that looks a bit like this actors(forename, surname, stage_name);
I want to update stage_name to have a default value of
forename." ".surname
So that
insert into actors(forename...
Ardine asked 11/12, 2008 at 18:57
9
Solved
I need a class that will accept a number of parameters, I know that all parameters will be provided but some maybe passed as None in which case my class will have to provide default values.
I want ...
Acerbic asked 19/6, 2019 at 10:14
12
Solved
C++ Notes: Array Initialization has a nice list over initialization of arrays. I have a
int array[100] = {-1};
expecting it to be full with -1's but its not, only first value is and the rest are...
Dreddy asked 30/6, 2009 at 20:10
3
Solved
Can I set the default value for a function argument to be something
that's not constant? Example:
tod := Mod[AbsoluteTime[], 86400]
f[x_:tod] := x
In the above, 'tod' changes every time I ev...
Roche asked 11/1, 2011 at 19:10
3
Solved
I understand that, using ES6 syntax, a function can be made that takes an object as a parameter and that parameter can have a default value, like so:
function exampleFunction(objParam = {val1: 1, ...
Protonema asked 8/5, 2018 at 15:28
3
Solved
I have the following code:
$a = array('a' => 'some value', 'b' => 'some value', 'c' => 'some value');
$b = array('a' => 'another value', 'd' => 'another value', 'e' => 'another va...
Dictograph asked 22/9, 2014 at 11:16
21
OK I totally forgot how to skip arguments in PHP.
Lets say I have:
function getData($name, $limit = '50', $page = '1') {
...
}
How would I call this function so that the middle parameter...
Cravat asked 30/6, 2009 at 23:31
23
Solved
I'm trying to convert a longish hollow "data" class into a named tuple. My class currently looks like this:
class Node(object):
def __init__(self, val, left=None, right=None):
self.val = val
se...
Buckthorn asked 5/7, 2012 at 19:16
6
I'm trying to set a default value to a laravel migration. I'm using SQLite.
When I try to insert a record with the field where a default value is assigned to, an error returns: SQL error or missing...
Planometer asked 30/9, 2020 at 9:20
6
Solved
Suppose I have code like this:
void f(int a = 0, int b = 0, int c = 0)
{
//...Some Code...
}
As you can evidently see above with my code, the parameters a,b, and c have default parameter values...
Trela asked 6/8, 2016 at 18:10
1
I want to write code for an enum of stationary that takes default values when nothing is mentioned. Is it possible to do so in Swift?
Here's an example of what I'm trying to do
public enum Stationa...
Mahaliamahan asked 18/6, 2022 at 11:39
5
>>> d2
{'egg': 3, 'ham': {'grill': 4, 'fry': 6, 'bake': 5}, 'spam': 2}
>>> d2.get('spamx',99)
99
>>> d2.get('ham')['fry']
6
I want to get value of fry inside of ham, if...
Buonarroti asked 9/8, 2010 at 6:14
7
Solved
Currently when trying to do something in a method that takes an out parameter, I need to assign the value of the out parameter in the method body, e.g.
public static void TryDoSomething(int value,...
Stigmasterol asked 29/5, 2014 at 12:33
2
Solved
I have a User class which contains a Purchase class. I want to make it non-nullable, but not required. So this means that I would need to set a default value.
I have no required fields in the sub-c...
Messily asked 19/5, 2021 at 19:55
1
Solved
I've moved my pipeline to a "stageless" one, simply by using needs rules and removing all stage declarations.
This all works fine, but I've noticed that all my jobs now appear under a sin...
Publicity asked 20/4, 2022 at 4:42
18
Solved
How do I set a default value in Hibernate field?
Padraig asked 24/6, 2010 at 13:18
4
Solved
I've got an interface, implementation, and target:
public interface IPerson { public string Name { get; } }
public class Person: IPerson { public string Name { get { return "John"; } } }
public cl...
Bierce asked 9/2, 2015 at 17:5
3
Solved
I am trying to set default value to a variable within the function in parameter list but getting an error:
ERROR: input parameters after one with a default value must also have defaults
Example:
...
Hungnam asked 4/6, 2014 at 13:0
4
Solved
Let's say I have a table called "table"
So
Create Table "Table" (a int not null, b int default value 1)
If I do a "INSERT INTO "Table" (a) values (1)". I will get back 1 for column a and 1 for...
Gaytan asked 12/12, 2011 at 18:16
9
Solved
I want to do this but it won't compile:
Public MyVariable as Integer = 123
What's the best way of achieving this?
Trichiasis asked 5/5, 2011 at 12:42
4
Solved
I have a function which takes one parameter with a default value. Now I also want it to take a variable number of parameters and forward them to some other function. Function parameters with defaul...
Termination asked 11/2, 2013 at 2:45
5
Solved
#!/usr/bin/env python3.2
def f1(a, l=[]):
l.append(a)
return(l)
print(f1(1))
print(f1(1))
print(f1(1))
def f2(a, b=1):
b = b + 1
return(a+b)
print(f2(1))
print(f2(1))
print(f2(1))
In...
Gripping asked 31/1, 2012 at 3:29
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