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再说WCF Data Contract KnownTypeAttribute - 更多技术 - 清泛网 - 专注C++内核技术
...么呢？原因是HomeAddress/BusinessAddress的类型标识（如http://www.demo.com/BusinessAddress）无法序列化Address类型时匹配，它就不知道该把它序列化成哪个确切的类型。
解决方法，给Address添加KnownTypeAttribute标识，当一个HomeAddress对象或者Bus...
再说WCF Data Contract KnownTypeAttribute - 更多技术 - 清泛网 - 专注C++内核技术
...么呢？原因是HomeAddress/BusinessAddress的类型标识（如http://www.demo.com/BusinessAddress）无法序列化Address类型时匹配，它就不知道该把它序列化成哪个确切的类型。
解决方法，给Address添加KnownTypeAttribute标识，当一个HomeAddress对象或者Bus...
再说WCF Data Contract KnownTypeAttribute - 更多技术 - 清泛网 - 专注C++内核技术
...么呢？原因是HomeAddress/BusinessAddress的类型标识（如http://www.demo.com/BusinessAddress）无法序列化Address类型时匹配，它就不知道该把它序列化成哪个确切的类型。
解决方法，给Address添加KnownTypeAttribute标识，当一个HomeAddress对象或者Bus...
Why does Assert.AreEqual(T obj1, Tobj2) fail with identical byte arrays
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
What is the difference between connection and read timeout for sockets?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
How to convert C# nullable int to int
...lse:
if(v1==null)
v2 = default(int);
else
v2 = v1;
Also, as of .NET 4.0, Nullable<T> has a "GetValueOrDefault()" method, which is a null-safe getter that basically performs the null-coalescing shown above, so this works too:
v2 = v1.GetValueOrDefault();
...
How to install Boost on Ubuntu
...ally download yourself:
wget -O boost_1_55_0.tar.gz https://sourceforge.net/projects/boost/files/boost/1.55.0/boost_1_55_0.tar.gz/download
tar xzvf boost_1_55_0.tar.gz
cd boost_1_55_0/
Get the required libraries, main ones are icu for boost::regex support:
sudo apt-get update
sudo apt-get inst...
How to copy Java Collections list
...e source code for Collections.copy(...) can be seen on line 552 at:
http://www.java2s.com/Open-Source/Java-Document/6.0-JDK-Core/Collections-Jar-Zip-Logging-regex/java/util/Collections.java.htm
If you need a deep copy, you have to iterate over the items manually, using a for loop and clone() on eac...
Is there a way to 'uniq' by column?
...d 1
Test result:
overflow@domain2.com,2009-11-27 00:58:29.793000000,xx3.net,255.255.255.0
stack2@domain.com,2009-11-27 01:05:47.893000000,xx2.net,127.0.0.1
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...
HTML5 Canvas Resize (Downscale) Image High Quality?
...de to do the pixel perfect downscaling :
fiddle result :
http://jsfiddle.net/gamealchemist/r6aVp/embedded/result/
fiddle itself : http://jsfiddle.net/gamealchemist/r6aVp/
// scales the image by (float) scale < 1
// returns a canvas containing the scaled image.
function downScaleImage(img, scal...