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How are virtual functions and vtable implemented?
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How are virtual functions implemented at a deep level?
From "Virtual Functions in C++":
Whenever a program has a virtual function declared, a v - table is constructed for the class. The v-table consists of addresses to the virtual functions for classes that contain one or mor...
What are the differences between Abstract Factory and Factory design patterns?
...xample below we design an interface so that we can decouple queue creation from a messaging system and can therefore create implementations for different queue systems without having to change the code base.
interface IMessageQueueFactory
{
IMessageQueue CreateOutboundQueue(string name);
IMessa...
Is it smart to replace boost::thread and boost::mutex with c++11 equivalents?
...ters, the following is valid C++11, and transfers the ownership of the int from the temporary std::unique_ptr to the parameter of f1 when the new thread is started. However, if you use boost::thread then it won't work, as it uses boost::bind internally, and std::unique_ptr cannot be copied. There is...
How to create custom easing function with Core Animation?
...Path:(NSString *)path
function:(KeyframeParametricBlock)block
fromValue:(double)fromValue
toValue:(double)toValue;
CAKeyframeAnimation+Parametric.m:
@implementation CAKeyframeAnimation (Parametric)
+ (id)animationWithKeyPath:(NSString *)path
function:(KeyframeParametric...
Using [UIColor colorWithRed:green:blue:alpha:] doesn't work with UITableView seperatorColor?
...y simple UIColor category that does the messy looking division by itself: (from http://github.com/Jon889/JPGeneral)
//.h file
@interface UIColor (JPExtras)
+ (UIColor *)colorWithR:(CGFloat)red G:(CGFloat)green B:(CGFloat)blue A:(CGFloat)alpha;
@end
//.m file
@implementation UIColor (JPExtras)
+ (U...
Which is the best library for XML parsing in java [closed]
...cuments: Is part of Java 6 in v2. This allows us to serialize java objects from a document. You read the document with a class that implements a interface to javax.xml.bind.Unmarshaller (you get a class for this from JAXBContext.newInstance). The context has to be initialized with the used classes, ...
In C# check that filename is *possibly* valid (not that it exists) [duplicate]
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You can get a list of invalid characters from Path.GetInvalidPathChars and GetInvalidFileNameChars as discussed in this question.
As noted by jberger, there some other characters which are not included in the response from this method. For much more details of the ...
ObservableCollection not noticing when Item in it changes (even with INotifyPropertyChanged)
... What happen if I invoke _contentList.Clear()? No one will unsubscribe from PropertyChanged!
– Paolo Moretti
Aug 3 '12 at 11:00
2
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Android Game Keeps Getting Hacked [closed]
...the key and the stored value that is compared against in SharedPreferences from there on out.
11 Answers
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Streaming via RTSP or RTP in HTML5
I'm building a web app that should play back an RTSP/RTP stream from a server http://lscube.org/projects/feng .
8 Answers
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