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c++编译错误：invalid new-expression of abstract class type - c++1y / s...
...bsp;} 空函数体也是实现。
纯虚函数相当于C#中abstract抽象类。
=0 说明函数是抽象的方法，谁继承它就必须实现它
否则不能new。
MongoDB.Driver.MongoConnectionException: Unable to connect to the prim...
... replica set: Too many threads are already waiting for a connection..
C# Driver:1.3.1
Replset:
localhost:10001 (primary)
localhost:10002 (member)
I have initReplset and add localhost:10002 to the replset,
Then I create a new connection.When I try to connect,the exception happened.
If ...
mongodb 以管理员登录并创建 database - 人工智能(AI) - 清泛IT社区，为创新赋能！
...abase GetDatabase Invalid credentials for database"关键字来源于 C# 的错误提示:"An unhandled exception of type 'MongoDB.Driver.MongoAuthenticationException' occurred in MongoDB.Driver.dll
Additional information: Invalid credentials for database 'demoBaseaaa'."
What is the dependency inversion principle and why is it important?
..., Patterns, and Practices and Agile Principles, Patterns, and Practices in C# are the best resources for fully understanding the original goals and motivations behind the Dependency Inversion Principle. The article "The Dependency Inversion Principle" is also a good resource, but due to the fact th...
Get url without querystring
...);
Borrowed from here: Truncating Query String & Returning Clean URL C# ASP.net
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Verify version of rabbitmq
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Since I was looking to do this in C# on a Windows machine and all the current answers are for *nix, I'll post the code that I ended up using:
public string GetRabbitMqVersion()
{
string prefix = "rabbitmq_server-";
var dirs = System.I...
Interfaces vs. abstract classes [duplicate]
In C#, when should you use interfaces and when should you use abstract classes? What can be the deciding factor?
4 Answers...
How do I disable form resizing for users? [duplicate]
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HtmlEncode from Class Library
I have a class library (in C#). I need to encode my data using the HtmlEncode method. This is easy to do from a web application. My question is, how do I use this method from a class library that is being called from a console application?
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ObservableCollection Doesn't support AddRange method, so I get notified for each item added, besides
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Please refer to the updated and optimized C# 7 version. I didn't want to remove the VB.NET version so I just posted it in a separate answer.
Go to updated version
Seems it's not supported, I implemented by myself, FYI, hope it to be helpful:
I updated the VB versi...