大约有 16,000 项符合查询结果(耗时:0.0382秒) [XML]

https://stackoverflow.com/ques... 

What's the difference between session.Merge and session.SaveOrUpdate?

... associated with the current session, and copy its state (property values, etc.) to an object that is associated with the current session (with the same PK value/identifier, of course). saveOrUpdate() will call Save or Update on your session, based on a given object's identity value. ...
https://stackoverflow.com/ques... 

In C#, how to check if a TCP port is available?

... TcpConnectionInformation[] tcpConnInfoArray = ipGlobalProperties.GetActiveTcpConnections(); foreach (TcpConnectionInformation tcpi in tcpConnInfoArray) { if (tcpi.LocalEndPoint.Port==port) { isAvailable = false; break; } } // At this point, if isAvailable is true, we can p...
https://stackoverflow.com/ques... 

Is std::vector copying the objects with a push_back?

... From C++11 onwards, all the standard containers (std::vector, std::map, etc) support move semantics, meaning that you can now pass rvalues to standard containers and avoid a copy: // Example object class. class object { private: int m_val1; std::string m_val2; public: ...
https://stackoverflow.com/ques... 

Difference between ObservableCollection and BindingList

...as other collections like Collection<T>, ReadOnlyCollection<T> etc). – nawfal Aug 8 at 8:54 ...
https://stackoverflow.com/ques... 

Comparing mongoose _id and strings

...lts.userId is a valid identifier with results.userId instanceof ObjectID. Etc. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

What's the difference between ES6 Map and WeakMap?

...o strings or numbers or Symbols as keys, only arrays, objects, other maps, etc.). – Ahmed Fasih Aug 28 '16 at 5:41 1 ...
https://stackoverflow.com/ques... 

How to quickly clear a JavaScript Object?

... Yeah, there are many cases where it's still used due to company policy/etc. I was off topic ranking out of spite :) So how does delete obj.prop; perform when the property is itself an object? I don't know if you gain much efficiency there. – jthompson Mar ...
https://stackoverflow.com/ques... 

JavaScript get element by name

...th property, but it's also missing a lot of methods, such as map, forEach, etc. Which explains why we need to use: Array.prototype.forEach.call( NodeList, fn ). – Florian Margaine Apr 24 '12 at 21:32 ...
https://stackoverflow.com/ques... 

Disable mouse scroll wheel zoom on embedded Google Maps

... none will prevent any interaction with the map (drag, navigation, clicks, etc). – LuBre Dec 11 '15 at 10:37 ...
https://stackoverflow.com/ques... 

What is console.log?

...so use console.profile(profileName); to start profiling a function, script etc. And then end it with console.profileEnd(profileName); and it will show up in you Profiles tab in Chrome (don't know with FF). For a complete reference go to http://getfirebug.com/logging and I suggest you read it. (Trac...