#事故现场: 在一个.net 4.0 的项目中使用dynamic,示例代码如下: private static void Main(string[] args) { dynamic obj; obj = new { name = "jack" }; Console.WriteLine(obj.name); } 在读取obj.name时,报错: One or more types required to compile a dynamic expression cannot be fou…

This is because dynamic keyword is a new C# keyword. So we need to import Microsoft.CSharp.dll. Here is offical document: http://msdn.microsoft.com/en-us/library/dd264736.aspx  the very first sentence: " Visual C# 2010 introduces a new type, dynamic.…

SQL应用报错800.Corresponding types must be compatible in CASE expression. 错误描述: 11:00:51  [SELECT - 0 row(s), 0.000 secs]  [Error Code: -800, SQL State: IX000]  Corresponding types must be compatible in CASE expression. ... 1 statement(s) executed, 0 row…

This document contains the following sections. Calling methods between the client and server silently fails Configuring IIS websockets to ping/pong to detect a dead client Other connection issues Compilation and server-side errors Visual Studio issue…

作者:疯吻IT 出处:http://fengwenit.cnblogs.com 1. No Entity Framework provider found for the ADO.NET provider 方法很简单,添加下面的dll即可 EntityFramework.SqlServer.dll 2. Loading the include file 'EF.Utility.CS.ttinclude' returned a null or empty string After reinstal…

1. Primitive Types        Any data types the compiler directly supports are called primitive types.        Primitive types map directly to types existing in the Framework Class Library (FCL).        For the types that are compliant with the Common La…

1.Programming Language Primitive Types primitive types:Any data types the compiler directly supports. Primitive types map directly to types existing in the Framework Class Library (FCL). use the FCL type names and completely avoid the primitive type…

There are two distinct types of AOP: static and dynamic. The difference between them is really the point at which the weaving process occurs and how this process is achieved. Static AOP Many of the first AOP implementations were static. In static AOP…

Compile Graphics Magick, Boost, Botan and QT with MinGW64 under Windows 7 64 Sun, 01/01/2012 - 15:43 — admin INTRODUCTION This tutorial explains how to compile several important C++ libraries under Windows 7 64 bits using MinGW 64 for 64 bits archite…

compile compile(pattern,flag=0) compile a regular expression pattern,return a pattern object compile就像一个漏斗,指定漏斗规则,如三角形通过,圆形通过,字母通过,汉字通过等等,具体漏什么东西(str数值),可以使用的时候再决定 myCompile = re.compile('d')#指定漏斗规则 re.compile是个函数,但是返回值是个类,一个过滤方法的类,实例化后就可以用来过滤东西 mySt…