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Typedef function pointer?
...e it the same way you would use the original type, for instance
typedef int myinteger;
typedef char *mystring;
typedef void (*myfunc)();
using them like
myinteger i; // is equivalent to int i;
mystring s; // is the same as char *s;
myfunc f; // compile equally as v...
Call by name vs call by value in Scala, clarification needed
...irst, let's assume we have a function with a side-effect. This function prints something out and then returns an Int.
def something() = {
println("calling something")
1 // return value
}
Now we are going to define two function that accept Int arguments that are exactly the same except that o...
Any free WPF themes? [closed]
...Grobler (above) just created CodePlex community for this ... starting with converted themes he mentions above. See his blog post for more info. Way to go Rudi!
UPDATE 3:
As another answer below has mentioned, since this question and my answer were written, the WPF Toolkit has incorporated some free ...
How to get only time from date-time C# [closed]
...o. One of my pet hates is to go to strings to early. I had a colleague who converted everything to string - even doubles etc. It's an accident waiting to happen. I would say don't convert objects to strings until you want to display the object to a human. Until then stick with the objects.
...
Default value of function parameter
...e, you will be able to see the difference.
Specifically, suppose:
lib.h
int Add(int a, int b);
lib.cpp
int Add(int a, int b = 3) {
...
}
test.cpp
#include "lib.h"
int main() {
Add(4);
}
The compilation of test.cpp will not see the default parameter declaration, and will fail with ...
How can you use optional parameters in C#?
...ed C# 4.0 optional parameters that work like this:
public void SomeMethod(int a, int b = 0)
{
//some code
}
Edit: I know that at the time the question was asked, C# 4.0 didn't exist. But this question still ranks #1 in Google for "C# optional arguments" so I thought - this answer worth being h...
How to resize Image in Android?
..., newHeight, true);
or:
resized = Bitmap.createScaledBitmap(yourBitmap,(int)(yourBitmap.getWidth()*0.8), (int)(yourBitmap.getHeight()*0.8), true);
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What is the strict aliasing rule?
...evice/network msg) onto a buffer of the word size of your system (like a pointer to uint32_ts or uint16_ts). When you overlay a struct onto such a buffer, or a buffer onto such a struct through pointer casting you can easily violate strict aliasing rules.
So in this kind of setup, if I want to send ...
Why do we need boxing and unboxing in C#?
...rom the way that reference types represent their underlying data (e.g., an int is just a bucket of thirty-two bits which is completely different than a reference type).
Think of it like this. You have a variable o of type object. And now you have an int and you want to put it into o. o is a referen...
How to use XPath contains() here?
...ode in the list is <li><b>Type:</b> Clip Fan</li> (converted to a string: "Type: Clip Fan") which means that this:
//ul[@class='featureList' and contains(li, 'Type')]
would actually select a node!
s...