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Mediator Vs Observer Object-Oriented Design Patterns
...r promotes loose coupling by keeping objects from referring to each other explicitly, and it lets you vary their interaction independently.
Source: dofactory
Example:
The observer pattern:
Class A, can have zero or more observers of type O registered with it. When something in A is changed it no...
Comparison of C++ unit test frameworks [closed]
...
See this question for some discussion.
They recommend the articles:
Exploring the C++ Unit Testing Framework Jungle, By Noel Llopis.
And the more recent: C++ Test Unit Frameworks
I have not found an article that compares googletest to the other frameworks yet.
...
How to define static property in TypeScript interface
...e = new Date();
}
Because Date is an interface in TypeScript, you can't extend it with a class using the extends keyword, which is a bit of a shame as this would be a good solution if date was a class.
If you want to extend the Date object to provide a MinValue property on the prototype, you can:...
Sleep in JavaScript - delay between actions
...a + 4;
}, (3 * 1000));
This doesn't really 'sleep' JavaScript—it just executes the function passed to setTimeout after a certain duration (specified in milliseconds). Although it is possible to write a sleep function for JavaScript, it's best to use setTimeout if possible as it doesn't freeze ev...
Is this a “good enough” random algorithm; why isn't it used if it's faster?
...;
public class Test {
public static void main(String[] args) throws Exception {
QuickRandom qr = new QuickRandom();
int[] frequencies = new int[10];
for (int i = 0; i < 100000; i++) {
frequencies[(int) (qr.random() * 10)]++;
}
printDistrib...
Detect if device is iOS
...or.userAgent and navigator.platform can be faked by the user or a browser extension.
Browser extensions to change userAgent or platform exist because websites use too heavy-handed detection and often disable some features even if the user's browser would otherwise be able to use that feature.
To de-...
Origin is not allowed by Access-Control-Allow-Origin
I read about cross domain ajax requests, and understand the underlying security issue. In my case, 2 servers are running locally, and like to enable cross domain requests during testing.
...
What are the main disadvantages of Java Server Faces 2.0?
... / jQuery developer. What I liked most about JSF was the huge amount of AJAX-Enabled UI components which seem to make development much faster than with ASP.NET MVC, especially on AJAX-heavy sites. Integration testing looked very nice too.
...
Remove a JSON attribute [duplicate]
... So would delete myObj['test']['key1']; you can interchange whatever.x and whatever['x'] as long as x is a valid variable name, so even delete myObj['test'].key1 would work.
– Sinan Taifour
Aug 2 '09 at 20:21
...
How to print to console when using Qt
...ut you could try something like this (as Kyle Strand has pointed out):
QTextStream& qStdOut()
{
static QTextStream ts( stdout );
return ts;
}
You could then call as follows:
qStdOut() << "std out!";
sh...