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Cleaner way to do a null check in C#? [duplicate]
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In a generic way, you may use an expression tree and check with an extension method:
if (!person.IsNull(p => p.contact.address.city))
{
//Nothing is null
}
Full code:
public class IsNullVisitor : ExpressionVisitor
{
public bool IsNull { get; private set; }
public ob...
C# int to byte[]
I need to convert an int to a byte[] one way of doing it is to use BitConverter.GetBytes() . But im unsure if that matches the following specification:
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How can I make a WPF combo box have the width of its widest element in XAML?
I know how to do it in code, but can this be done in XAML ?
12 Answers
12
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“unpacking” a tuple to call a matching function pointer
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Just felt that should be stated once in an answer in this thread (after it already appeared in one of the comments).
The basic C++14 solution is still missing in this thread. EDIT: No, it's actually there in the answer of Walter.
This function is given:
void f(int a, double b, void* c)
{
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jQuery scroll to element
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Assuming you have a button with the id button, try this example:
$("#button").click(function() {
$([document.documentElement, document.body]).animate({
scrollTop: $("#elementtoScrollToID").offset().top
}, 2000);
});
I got the code fro...
How to fully clean bin and obj folders within Visual Studio?
If you right click on a folder, you will see a "Clean" menu item. I assumed this would clean (remove) the obj and bin directory.
However, as far as I can see, it does nothing.
Is there another way?
(please don't tell me to go to Windows Explorer or the cmd.exe)
I'd like to remove the obj and bin fo...
What is the largest Safe UDP Packet Size on the Internet
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It is true that a typical IPv4 header is 20 bytes, and the UDP header is 8 bytes. However it is possible to include IP options which can increase the size of the IP header to as much as 60 bytes. In addition, sometimes it i...
Utils to read resource text file to String (Java) [closed]
Is there any utility that helps to read a text file in the resource into a String. I suppose this is a popular requirement, but I couldn't find any utility after Googling.
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How do I merge two javascript objects together in ES6+?
I'm sick of tired of always having to write code like this:
6 Answers
6
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Design patterns to avoid [closed]
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Patterns are complex
All design patterns should be used with care. In my opinion you should refactor towards patterns when there is a valid reason to do so instead of implementing a pattern right away. The general problem with using patterns is that they add complexity. Overuse of ...