大约有 23,000 项符合查询结果(耗时:0.0432秒) [XML]
How to check for the type of a template parameter?
...
You can specialize your templates based on what's passed into their parameters like this:
template <> void foo<animal> {
}
Note that this creates an entirely new function based on the type that's passed as T. This is usually preferable as it ...
Creation timestamp and last update timestamp with Hibernate and MySQL
... exclusive behaviours to your entities (and you can't extend more than one base class). afaik the only way to obtain the same effect without a base class is though aspectj itd or event listeners see @kieren dixon answer
– gpilotino
Feb 2 '12 at 0:49
...
Mean per group in a data.frame [duplicate]
...
I describe two ways to do this, one based on data.table and the other based on reshape2 package . The data.table way already has an answer, but I have tried to make it cleaner and more detailed.
The data is like this:
d <- structure(list(Name = structure...
Where is the WPF Numeric UpDown control?
... }
#endregion
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
_UpButton = Template.FindName("Part_UpButton", this) as RepeatButton;
_DownButton = Template.FindName("Part_DownButton", this) as RepeatButton;
_UpButton.Click += _UpButton_Clic...
How unique is UUID?
...(I'm using it for files uploaded to the server)? As I understand it, it is based off random numbers. However, it seems to me that given enough time, it would eventually repeat it self, just by pure chance. Is there a better system or a pattern of some type to alleviate this issue?
...
How to hide only the Close (x) button?
...rride CreateParams CreateParams
{
get
{
CreateParams myCp = base.CreateParams;
myCp.ClassStyle = myCp.ClassStyle | CP_NOCLOSE_BUTTON ;
return myCp;
}
}
Source: http://www.codeproject.com/KB/cs/DisableClose.aspx
...
A type for Date only in C# - why is there no Date type?
...want to make explicit that certain variables and method-arguments are date-based . Hence I can't use the DateTime.Date property
...
Get characters after last / in url
...
I am wondering why the $str = basename($url) is not getting more upvotes, works perfectly fine for me.
– redanimalwar
Nov 2 '15 at 16:39
...
Why use 'virtual' for class properties in Entity Framework model definitions?
..., which is why it requires certain properties to be marked virtual in your base class POCOs. It literally creates new types that derive from your POCO types. So your POCO is acting as a base type for the Entity Framework's dynamically created subclasses. That's what I meant by "create a proxy around...
Getting the count of unique values in a column in bash
...t column
* Sort the values by the number of occurrences
* Secondary sort based on the value (for example b vs g vs m vs z)
* Iterate through the result hash, using the sorted list
* Print the value and number of each occurrence
Results based on the sample input files provided by @Dennis
colu...
