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Why does the default parameterless constructor go away when you create one with parameters
In C#, C++ and Java, when you create a constructor taking parameters, the default parameterless one goes away. I have always just accepted this fact, but now I've started wondering why.
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How do I log ALL exceptions globally for a C# MVC4 WebAPI app?
I am developing an API Service Layer for a client and I have been requested to catch and log all errors globally.
5 Answers...
Are strongly-typed functions as parameters possible in TypeScript?
...o actually use such types. Anyway those look more like Java SAM types than C# delegates. Of course they aren't and they are equivalent to the type alias form which is just more elegant for functions
– Aluan Haddad
Apr 24 '17 at 20:28
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Getting a list item by index
I've recently started using c# moving over from Java. I can't seem to find how to get a list item by index. In java to get the first item of the list it would be:
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What is the difference between “instantiated” and “initialized”?
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Value vis-a-vis Reference Types
Variables in C# are in 1 of 2 groups. Value types or Reference types. Types like int and DateTime are value types. In contrast, any class you create is a reference type. C# strings are also a reference type. Most things in the .NET framew...
C# 'is' operator performance
I have a program that requires fast performance. Within one of its inner loops, I need to test the type of an object to see whether it inherits from a certain interface.
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Difference between webdriver.Dispose(), .Close() and .Quit()
...ldn't. I looked in the source code for the Selenium Client & WebDriver C# Bindings and found the following.
webDriver.Close() - Close the browser window that the driver has focus of
webDriver.Quit() - Calls Dispose()
webDriver.Dispose() Closes all browser windows and safely ends the se...
What are the pros and cons to keeping SQL in Stored Procs versus Code [closed]
What are the advantages/disadvantages of keeping SQL in your C# source code or in Stored Procs? I've been discussing this with a friend on an open source project that we're working on (C# ASP.NET Forum). At the moment, most of the database access is done by building the SQL inline in C# and calling ...
How to convert List to List?
...t(n => n.Value)
.ToList();
It uses an out variable introduced with C#7.0.
This other variant returns a list of nullable ints where null entries are inserted for invalid ints (i.e. it preserves the original list count):
List<int?> nullableInts = strings
.Select(s => Int32.TryPars...
Performance surprise with “as” and nullable types
I'm just revising chapter 4 of C# in Depth which deals with nullable types, and I'm adding a section about using the "as" operator, which allows you to write:
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