大约有 6,000 项符合查询结果（耗时：0.0415秒） [XML]
Why does casting int to invalid enum value NOT throw exception?
....
The long answer: Section 6.2.2: Explicit enumeration conversions of the C# Language Specification says:
An explicit enumeration conversion between two types is processed by treating any participating enum-type as the underlying type of that enum-type, and then performing an implicit or explic...
Shortest distance between a point and a line segment
...shortest 2D distance between a point and a line segment in all cases in C, C# / .NET 2.0 or Java? I was asked to put a C# answer here when I find one: so here it is, modified from http://www.topcoder.com/tc?d1=tutorials&d2=geometry1&module=Static :
//Compute the dot product AB . BC
private ...
What is a Portable Class Library?
...ct template to Visual Studio that can be used to create class libraries in C# and VB that run on the various .NET platforms without recompiling.
It's used for creating a Class Library that targets multiple platforms (esp Silverlight variants such as WP7 and SL4, but including XNA on Xbox) at one t...
Arrays, heap and stack and value types
... int[100] generating the array on the heap? From what I've read on CLR via c#, the answer is yes. But what I can't understand, is what happens to the actual int's inside the array. As they are value types, I'd guess they'd have to be boxed, as I can, for example, pass myIntegers to other parts of th...
Javascript when to use prototypes
...otypes?
A useful comparison is with popular OO languages such as Java and C#. These support two kinds of inheritance:
interface inheritance, where you implement an interface such that the class provides its own unique implementation for every member of the interface.
implementation inheritance, w...
When should I use a struct rather than a class in C#?
When should you use struct and not class in C#? My conceptual model is that structs are used in times when the item is merely a collection of value types . A way to logically hold them all together into a cohesive whole.
...
Set Additional Data to highcharts series
...ass to assign the values prior to passing back in Json format. Here is the C# code in the controller action called by Ajax.
public JsonResult ChartData(string dataSource, string locationType, string[] locations, string[] methods, string fromDate, string toDate, string[] lstParams)
{
List<Dic...
Is it better to call ToList() or ToArray() in LINQ queries?
... local variable source as an IList<int>. In that way I make sure the C# compiler does not optimze the foreach statement into something which is equivalent to a for (var idx = 0; idx < source.Length; idx++) { /* ... */ } loop. This is something the C# compiler might do if I use var source = ...
SQL Server Script to create a new user
...
Exactly what i want I was trying to create login with c# using Microsoft.SqlServer.Management.Smo.Login class. but i couldn't create. this works with simple code in c# thanks
– kordiseps
Feb 1 '18 at 11:28
...
Why is lock(this) {…} bad?
...te variable instead, an Object instance will do nicely.
Run the following C# code as an example.
public class Person
{
public int Age { get; set; }
public string Name { get; set; }
public void LockThis()
{
lock (this)
{
System.Threading.Thread.Sleep(10...