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How to check whether an object has certain method/property?
...s the expected method (or property).
public interface IMyInterface
{
void Somemethod();
}
IMyInterface x = anyObject as IMyInterface;
if( x != null )
{
x.Somemethod();
}
I think this is the only correct way.
The thing you're referring to is duck-typing, which is useful in scenarios where...
Font scaling based on width of container
... relative to the size of the initial containing block. When the height or width of the initial containing block is changed, they are scaled accordingly. However, when the value of overflow on the root element is auto, any scroll bars are assumed not to exist.
The values are:
vw (% of the viewpor...
Is 161803398 A 'Special' Number? Inside of Math.Random()
...ator (instead of some magical property of phi).
– David Eisenstat
May 15 '14 at 21:09
7
...
Linq: What is the difference between Select and Where
...tion on each element of the input IEnumerable, and wrapping the results inside a new IEnumerable.
Using some math-like notation, it takes as input (a, b, c, ...) : IEnumerable<T1> and f : T1 → T2 and produces (f(a), f(b), f(c), ...) : IEnumerable<T2>
Where : (IEnumerable<T1>...
How to add extra namespaces to Razor pages instead of @using declaration?
...ebPages.Compilation;
public class PreApplicationStart
{
public static void InitializeApplication()
{
CodeGeneratorSettings.AddGlobalImport("Custom.Namespace");
}
}
and put the following code in your AssemblyInfo.cs
[assembly: PreApplicationStartMethod(typeof(PreApplicationStart), ...
How do I reverse a C++ vector?
...ude <vector>
#include <iostream>
template<class InIt>
void print_range(InIt first, InIt last, char const* delim = "\n"){
--last;
for(; first != last; ++first){
std::cout << *first << delim;
}
std::cout << *first;
}
int main(){
int a[] = { 1, 2, 3, ...
returning a Void object
What is the correct way to return a Void type, when it isn't a primitive? Eg. I currently use null as below.
5 Answers
...
How to calculate time in hours between two dates in iOS
...
@Abizern: Thanks, I wasn't considering those cases when I answered the question. I've linked to the answer by ÐąrέÐέvil
– Akusete
Feb 10 '13 at 22:25
...
Write bytes to file
... you are adding data to a file using a loop, a BinaryWriter object can provide better performance because you only have to open and close the file once.' I'm using a loop. I use the example from @0A0D and changed 'FileMode.Create' to 'FileMode.Append'.
– John Doe
...
How to make graphics with transparent background in R using ggplot2?
..., y = y, color = group),
fill = "transparent" # for the inside of the boxplot
)
Fastest way is using using rect, as all the rectangle elements inherit from rect:
p <- p +
theme(
rect = element_rect(fill = "transparent") # all rectangles
)
p
More control...