大约有 46,000 项符合查询结果(耗时:0.0572秒) [XML]

https://stackoverflow.com/ques... 

Is there a VB.NET equivalent for C#'s '??' operator?

... +1 for providing an implementation using generics and avoiding type casting/boxing/unboxing – ulty4life Dec 10 '13 at 22:54 4 ...
https://stackoverflow.com/ques... 

Get the IP address of the machine

...ing ioctl's! However, your handling of IP6 is still incorrect - you should cast to sockaddr_in6, i.e. something like tmpAddrPtr=&((struct sockaddr_in6 *)ifa->ifa_addr)->sin6_addr; – Andrey Oct 14 '11 at 10:04 ...
https://stackoverflow.com/ques... 

in a “using” block is a SqlConnection closed on return or exception?

...!= null) ((IDisposable)connection).Dispose(); } Edit: Fixing the cast to Disposable http://msdn.microsoft.com/en-us/library/yh598w02.aspx share | improve this answer | ...
https://stackoverflow.com/ques... 

How can I run a PHP script in the background after a form is submitted?

... There's a pending edit suggestion to escape$post_id; I would rather cast it directly to a number: (int) $post_id. (Calling out for your attention to decide which is better.) – Al.G. Sep 28 '17 at 22:03 ...
https://stackoverflow.com/ques... 

Random string generation with upper case letters and digits

... If you want to skip the string casting & hyphen replacing, you can just call my_uuid.get_hex() or uuid.uuid4().get_hex() and it will return a string generated from the uuid that does not have hyphens. – dshap Apr ...
https://stackoverflow.com/ques... 

How is “int* ptr = int()” value initialization not illegal?

...fined "integer constant expression with the value 0, or such an expression cast to type void *". – Jerry Coffin Nov 9 '11 at 16:52 ...
https://stackoverflow.com/ques... 

Does Entity Framework Code First support stored procedures?

... You don't need the IObjectContextAdapter cast. The DbContext can handle sp's or custom SQL statements using the built in Database object: context.Database.SqlQuery<Dummy>("sp_GetDummy"); – Steven K. Mar 23 '11 at 18:50 ...
https://stackoverflow.com/ques... 

What is the most efficient way to create a dictionary of two pandas Dataframe columns?

...1)) [out]: [['a', 1], ['b', 2], ['c', 3], ['d', 4], ['e', 5]] Lastly, cast the list of list of 2 elements into a dict. dict(sorted(df.values.tolist())) [out]: {'a': 1, 'b': 2, 'c': 3, 'd': 4, 'e': 5} Related Answering @sbradbio comment: If there are multiple values for a specific ke...
https://stackoverflow.com/ques... 

Generating random integer from a range

... properly uniform distributed solution is output = min + (rand() % static_cast<int>(max - min + 1)) Except when the size of the range is a power of 2, this method produces biased non-uniform distributed numbers regardless the quality of rand(). For a comprehensive test of the quality of thi...
https://stackoverflow.com/ques... 

Databinding an enum property to a ComboBox in WPF

... get { return Enum.GetValues(typeof(MyEnumType)) .Cast<MyEnumType>(); } } In XAML the ItemSource binds to MyEnumTypeValues and SelectedItem binds to SelectedMyEnumType. <ComboBox SelectedItem="{Binding SelectedMyEnumType}" ItemsSource="{Binding MyEnumTypeVal...