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How do I intercept a method call in C#?
...it, this is what you want to do:
[Log()]
public void Method1(String name, Int32 value);
and in order to do that you have two main options
Inherit your class from MarshalByRefObject or ContextBoundObject and define an attribute which inherits from IMessageSink. This article has a good example. Y...
Correct way to quit a Qt program?
...
if you need to close your application from main() you can use this code
int main(int argc, char *argv[]){
QApplication app(argc, argv);
...
if(!QSslSocket::supportsSsl()) return app.exit(0);
...
return app.exec();
}
The program will terminated if OpenSSL is not installed
...
PHP parse/syntax errors; and how to solve them
...re Bracket "["
BTW, there are also preprocessors and PHP 5.4 syntax down-converters if you're really clingy with older + slower PHP versions.
Other causes for Unexpected [ syntax errors
If it's not the PHP version mismatch, then it's oftentimes a plain typo or newcomer syntax mistake:
You can'...
Where is the C auto keyword used?
...that keyword was necessary for declaring local variables. (B was developed into NB, which became C).
Here is the reference manual for B.
As you can see, the manual is rife with examples in which auto is used. This is so because there is no int keyword. Some kind of keyword is needed to say "this i...
When is finally run if you throw an exception from the catch block?
...ic void DoIt() {
try {
Console.WriteLine("inner try");
int i = 0;
Console.WriteLine(12 / i); // oops
} catch (Exception e) {
Console.WriteLine("inner catch");
throw e; // or "throw", or "throw anything"
} finally {
Console.WriteLine("inner ...
MAMP Pro 3.05 on Mavericks updated to Yosemite - Apache does not start
...t that contained quotes. By default, Yosemite keyboard settings are set to convert straight quotes to smart quotes ("no-cache" became “no-cache”. Depending on font and font size, this may not be immediately obvious). This made Apache crash, even when the host was disabled.
To change this settin...
Best practices for catching and re-throwing .NET exceptions
... throw;
}
throw ex; is basically like throwing an exception from that point, so the stack trace would only go to where you are issuing the throw ex; statement.
Mike is also correct, assuming the exception allows you to pass an exception (which is recommended).
Karl Seguin has a great write up o...
Which is the correct C# infinite loop, for (;;) or while (true)? [closed]
...
Note that while(1) is invalid C#: Constant 1 cannot be converted to bool
– Vinko Vrsalovic
Sep 9 '09 at 18:13
4
...
Implementing IDisposable correctly
...posted needs to be disposed.
public class User : IDisposable
{
public int id { get; protected set; }
public string name { get; protected set; }
public string pass { get; protected set; }
public User(int userID)
{
id = userID;
}
public User(string Username, strin...
Update Row if it Exists Else Insert Logic with Entity Framework
...
This answer LOOKS awesome, but I'm running into this issue on update: An object with the same key already exists in the ObjectStateManager. The ObjectStateManager cannot track multiple objects with the same key.
– John Zumbrum
No...