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How is null + true a string?
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Bizarre as this may seem, it's simply following the rules from the C# language spec.
From section 7.3.4:
An operation of the form x op y, where op is an overloadable binary operator, x is an expression of type X, and y is an expression of type Y, is processed as follows:
The set...
How can I make a ComboBox non-editable in .NET?
...ct-only for the user. You can do this in the Visual Studio designer, or in C# like this:
stateComboBox.DropDownStyle = ComboBoxStyle.DropDownList;
Link to the documentation for the ComboBox DropDownStyle property on MSDN.
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Declaration suffix for decimal type
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Documented in the C# language specification, chapter 2.4.4:
float f = 1.2f;
double d = 1.2d;
uint u = 2u;
long l = 2L;
ulong ul = 2UL;
decimal m = 2m;
Nothing for int, byte, sbyte, short, ushort.
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When would you use delegates in C#? [closed]
What are your usage of delegates in C#?
20 Answers
20
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How to read a text file reversely with iterator in C#
I need to process a large file, around 400K lines and 200 M. But sometimes I have to process from bottom up. How can I use iterator (yield return) here? Basically I don't like to load everything in memory. I know it is more efficient to use iterator in .NET.
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new DateTime() vs default(DateTime)
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FWIW; In C# 6 this behavior will change. C# 6 introduces parameterless constructors for structs, which allow the behavior of new to differ from what default(T) will do.
– vcsjones
Feb 27 '15 at 1...
Parse JSON in C#
I'm trying to parse some JSON data from the Google AJAX Search API. I have this URL and I'd like to break it down so that the results are displayed. I've currently written this code, but I'm pretty lost in regards of what to do next, although there are a number of examples out there with simplifie...
When should I use a struct instead of a class?
... reason to make something a class, since--in spite of some deficiencies in c# and vb.net, mutable structs provide useful semantics that cannot be achieved any other way; there is no semantic reason to prefer an immutable struct to a class.
– supercat
Jan 20 '11...
How can I convert comma separated string into a List
... list with integers: 1, 2, 3, 4, 5, 0, 3, 5
Edit 2: An updated query for C# 7.0, thanks to feedback from Charles Burns. Note that we get rid of the extra mos variable with this approach, so it's a bit cleaner.
string csv = "1,2,3,4,a,5,0,3,r,5";
var intList = csv.Split(',')
.Whe...
Why are only final variables accessible in anonymous class?
...pes to hold the logical state of the "local variables", as for example the C# compiler does... (When C# captures a variable in an anonymous function, it really captures the variable - the closure can update the variable in a way which is seen by the main body of the method, and vice versa.)
As the ...