Func is a family of delegate types in the .Net framework.
Func is a family of delegate types in the .net framework. They are in the System namespace and can be used to represent a function that returns a value and has zero or more parameters.
Questions tagged [func]
1154 questions
-3
votes
2 answers
Sum sub of matrix by recursion in C#
I'm trying to solve a problem without using a loop but I don't find a way...
Let take this array for example: (assume there is randomize values)
1, 2, 3, 4, 5
2, 3, 4, 5, 6
3, 4, 5, 6, 7
4, 5, 6, 7, 8
5, 6, 7, 8, 9
By sending (row: 2, column: 1) I…
Hazan
- 323
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-3
votes
3 answers
Cannot use optional chaining on non-optional value of type '[Int]'
I am trying to make my code print "Hello World" in Swift 4 by selecting just one of the three numbers in the array and I get the error listed in the title.
func newFunc() {
let employees = [1, 2, 3]?
if employees == [1] {
let…
pillarman38
- 47
- 3
- 13
-3
votes
1 answer
Time measurement of functions with different signature in C#
I want to measure the time that certain function calls take in my application. For this I use the Stopwatch class and it works fine. It looks something like this:
static readonly Stopwatch StopWatch = new Stopwatch();
StopWatch.Restart();
void…
Frank
- 2,446
- 7
- 33
- 67
-3
votes
2 answers
Loop through IEnumerable using Lambda
I have a func which looks like below
Func ItemProduct(Iitem item) => (pro)=> pro.ItemID == item.Id;
I am looking for a func which take multiple items. I am trying like below but that is not correct...Can you please help me how to do…
reddy
- 81
- 2
- 7
-3
votes
2 answers
calling a member function of a class by member function of another class?
i have two classes A & B.i want to call a member function of A by member function of B.
class A {
public:
void memberofa();
}
class b:
class B {
public:
void memberofb();
}
now i need to call memberofa from inside memberofb.
Any…
Hemanth
- 1
- 1
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- 4
-3
votes
1 answer
how to store json object in a variable and use globally in other functions in swift
var drivers : NSArray?
func loadDriversREST() {
RestApiManager.sharedInstance.getDriverList{ json in
var drivers = json
println(drivers.description)
}
func getDriverFromId(id: Int?) -> String {
if id ==…
Raj
- 61
- 3
- 7
-3
votes
2 answers
C# Extension Methods for Generic Functions
I want to create a simple one-line try/catch without all the extra fluff:
// The extension class
public static class TryExFunc
{
public static Exception TryEx (this Func func,
out TResult result)
{
…
Dandruff
- 21
- 4
-4
votes
3 answers
Count by Title on specific columns
Date ID intent
9/1/2018 1 fetch it
9/1/2018 1 Ask it
9/1/2018 1 default
9/1/2018 2 remand
9/1/2018 2 choose it
9/2/2018 1 fetch it
9/2/2018 1 choose
9/2/2018 1 default
9/3/2018 4 Ask…
user3369545
- 310
- 2
- 14
-4
votes
1 answer
how can i delete spaces in c++
cout << "---------------------------------------------------\n";
cout << "# Level:" << getLevel() << " #\n";
cout << "# Max Hp:" << getMaxHp() << " …
Furkan Amancalı
- 13
- 4
-4
votes
1 answer
C# Func <> argument types
Im trying "Func" delegation.
Func(myFunc); //works OK
Func(myFunc); //Exception ???
Unhandled Exception: System.ArgumentException:
Object of 'System.String'cannot be converted to type…
kestasj
- 49
- 2
- 8
-4
votes
1 answer
How can i return value from generic Func<>
How can i provide return value according by followed sample? I want to use this function like this MyMethod(model=> model.Id)
public T MyMethod(Func item)
{
return ??
}
Bombula
- 15
- 1
- 7
-5
votes
1 answer
Having difficulty understanding func(&_) in c
Can someone please explain me the purpose of func(&_) and void? I am not sure how the whole program works.
void func(int *xp);
int
main(void)
{
int x, y;
x = 5;
func(&x);
y = x-3;
func(&y);
…
-8
votes
1 answer
how do I make a func that will make all vowel letters lowercase, all consonants uppercase, and write numbers in letters?
I'm new to swift and studying functions rn. I have a task that's given in the title, and I can't really imagine how to do it. I need to make a func that turn all the vowel letters into lowercase, all consonants into uppercase and write numbers in…
daria
- 13
- 3
-8
votes
1 answer
HOw can i fix Or translate this func.php file
I'm very curious in fixing this.., its YouTube video Grabber func.php .. i don't really understand the language it was written in and I'm looking for the line to insert my YouTube API key,
This is the file below
i have tried many method in fixing…
