大约有 30,000 项符合查询结果（耗时：0.0508秒） [XML]
Return a “NULL” object if search result not found
I'm pretty new to C++ so I tend to design with a lot of Java-isms while I'm learning. Anyway, in Java, if I had class with a 'search' method that would return an object T from a Collection< T > that matched a specific parameter, I would return that object and if the object was not found in...
What's the difference between assignment operator and copy constructor?
I don't understand the difference between assignment constructor and copy constructor in C++. It is like this:
8 Answers
...
How do I create a multiline Python string with inline variables?
I am looking for a clean way to use variables within a multiline Python string. Say I wanted to do the following:
7 Answers...
How to make overlay control above all other controls?
...the control to be put on top a higher ZIndex.
From MSDN:
<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" WindowTitle="ZIndex Sample">
<Canvas>
<Rectangle Canvas.ZIndex="3" Width="100" Height="100" Canvas.Top="100" Canvas.Left="100" Fill="blue"/>
...
Aren't Python strings immutable? Then why does a + “ ” + b work?
My understanding was that Python strings are immutable.
22 Answers
22
...
When should use Readonly and Get only properties
...ulation posts series of Mark Seemann about properties and backing fields:
http://blog.ploeh.dk/2011/05/24/PokayokeDesignFromSmellToFragrance.aspx
taken from Mark's example:
public class Fragrance : IFragrance
{
private readonly string name;
public Fragrance(string name)
{
if ...
How do I remove the blue styling of telephone numbers on iPhone/iOS?
Is there a way to remove the default blue hyperlink colour from a telephone number when viewed on an iPhone? Like a specific Mobile Safari tag or CSS to add?
...
Executing Batch File in C#
I'm trying to execute a batch file in C#, but I'm not getting any luck doing it.
12 Answers
...
Update relationships when saving changes of EF4 POCO objects
...context is closed after request processing and entity content is passed as HTTP response to the client. Next HTTP request provides modified content of the entity which has to be recreated, attached to new context and persisted. Recreation usually happends outside of the context scope (layered archit...
Include headers when using SELECT INTO OUTFILE?
Is it possible to include the headers somehow when using the MySQL INTO OUTFILE ?
18 Answers
...