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Programmatically scroll to a specific position in an Android ListView
...st one tries to set in the middle of list.
– Victor Pinto
May 12 '14 at 18:13
11
smoothScrollToPo...
Determining complexity for recursive functions (Big O notation)
...
The time complexity, in Big O notation, for each function:
int recursiveFun1(int n)
{
if (n <= 0)
return 1;
else
return 1 + recursiveFun1(n-1);
}
This function is being called recursively n times before reaching the base case so its O(n), often called line...
Why is it Valid to Concatenate Null Strings but not to Call “null.ToString()”?
...compiler treats a null string the same as an empty string, but it does not convert the value of the original null string.
More information on the + binary operator:
The binary + operator performs string concatenation when one or both operands are of type string.
If an operand of string concatenati...
How to save a BufferedImage as a File
...outputfile exists. If it doesn't, write() will (incorrectly) throw a NullPointerException
– Cody S
Oct 23 '14 at 18:52
9
...
Get average color of image via Javascript
...LUV, but I have not found a good library for this, or any algorythims for converting RGB to LUV.
An entirely different approach would be to sort your colors in a rainbow, and build a histogram with tolerance to account for varying shades of a color. I have not tried this, because sorting colors in...
What is the 
 character?
...nce data often contain characters outside the ASCII set, so it has
to be converted into a valid ASCII format.
To find it yourself, you can visit https://en.wikipedia.org/wiki/ASCII, there you can find big tables of characters. The one you are looking is in Control Characters table.
Digging to t...
sizeof single struct member in C
...se it like this:
typedef struct
{
float calc;
char text[255];
int used;
} Parent;
typedef struct
{
char flag;
char text[member_size(Parent, text)];
int used;
} Child;
I'm actually a bit surprised that sizeof((type *)0)->member) is even allowed as a constant expression....
How to throw an exception in C?
I typed this into google but only found howtos in C++,
11 Answers
11
...
Performing Breadth First Search recursively
... that this is just some kind of thought exercise, or even a trick homework/interview question, but I suppose I could imagine some bizarre scenario where you're not allowed any heap space for some reason [some really bad custom memory manager? some bizarre runtime/OS issues?] while you still have acc...
NULL vs nullptr (Why was it replaced?) [duplicate]
I know that in C++ 0x or NULL was replaced by nullptr in pointer-based applications. I'm just curious of the exact reason why they made this replacement?
...