大约有 48,000 项符合查询结果(耗时:0.0576秒) [XML]

https://stackoverflow.com/ques... 

Nullable type as a generic parameter possible?

...val = reader[columnName]; return (val == DBNull.Value ? null : val); } Now you don't need the explicit type hinting on the RHS: int? value = myDataReader.GetNullableValue("MyColumnName"); In fact, you don't need it anywhere! var value = myDataReader.GetNullableValue("MyColumnName"); value will...
https://stackoverflow.com/ques... 

Specify sudo password for Ansible

...extra-vars "ansible_sudo_pass=yourPassword" Update 2017: Ansible 2.2.1.0 now uses var ansible_become_pass. Either seems to work. share | improve this answer | follow ...
https://stackoverflow.com/ques... 

What is the `sensor` parameter for in the Google Places API?

... Edit: The sensor parameter is no longer required, and will now be ignored if it's used. The parameter doesn't impact the results. It's a parameter that Google is required to collect for Google's data providers who charge differently based on whether the request uses a sensor or not....
https://stackoverflow.com/ques... 

Behaviour of final static method

... @SeanOwen I don't think this is correct either, the compiler should say that since A#ts is being inherited and such a method already exists in B, simply having two methods with the same signature and a different modifier (final) ...
https://stackoverflow.com/ques... 

Create an array with same element repeated multiple times

...always better to avoid growing arrays by appending when possible. If you know the final size, use it. – Tom Karzes Aug 8 '16 at 20:01 43 ...
https://stackoverflow.com/ques... 

What is App.config in C#.NET? How to use it?

...nually change some <value> in app.config, save it and then close it. Now when I go to my bin folder and launch the .exe file from here, why doesn't it reflect the applied changes? A: When you compile an application, its app.config is copied to the bin directory1 with a name that matches your ...
https://stackoverflow.com/ques... 

How do I scale a stubborn SVG embedded with the tag?

...tributes of the SVG tag and it seemed to work. Save the SVG and it should now scale as expected. I found this information here: https://blueprints.launchpad.net/inkscape/+spec/allow-browser-resizing share | ...
https://stackoverflow.com/ques... 

How can I determine if a .NET assembly was built for x86 or x64?

...e Windows on Windows environment on a 64-bit platform (WOW64). None: An unknown or unspecified combination of processor and bits-per-word. I'm using PowerShell in this example to call the method. share | ...
https://stackoverflow.com/ques... 

Why shouldn't I use PyPy over CPython if PyPy is 6.3 times faster?

... NOTE: PyPy is more mature and better supported now than it was in 2013, when this question was asked. Avoid drawing conclusions from out-of-date information. PyPy, as others have been quick to mention, has tenuous support for C extensions. It has support, but typical...
https://stackoverflow.com/ques... 

How do I resolve the “java.net.BindException: Address already in use: JVM_Bind” error?

... If you know what port the process is running you can type: lsof -i:<port>. For instance, lsof -i:8080, to list the process (pid) running on port 8080. Then kill the process with kill <pid> ...