Archive for January, 2006 Page 2 of 3
1. Reverse a string (e.g. array of chars) in place.
2. Reverse a linked list.
3. Count all the bits that are on in a byte.
4. Let’s say we have (fixed size) array of bool, which is filled by false, except one element, which is true. You don’t have direct access to elements of that array, but have function, IsTrueElementInRange that accepts range of elements (e.g. from n to m) and returns true or false. What’s the best algorithm for finding true element using that function, and what’s its name?
5. Let’s say we have (fixed size) array of int, which is filled by numbers from 1 to 5. Calculate counts of each number in the array (e.g. how many 1’s there are in array, how many 2’s and so on). Calculation should be made in single array walk.
6. What’s the purpose of virtual destructor in C++?
7. What class is the base of all window classes in MFC?
8. What class is the base of most of other classes in MFC and what are the services it provides?
9. How do you walk through vector’s elements in STL?
10. Let’s say you created dialog in MFC, put RichEdit control on it, and dialog failed on create. What did you forget to do?
11. What happens if you call new operator to create some object and it fails because out of memory?
12. How do you synchronize two or more threads?
13. Implement simple read-write lock mechanizm, which allows multiple readers simultaneously, but only one writer (of course, while we write, noone can read until we finish).
14. What is the function you call to get new interface in COM?
15. What interface should COM object provide in order to be used in script languages, like VBScript, Javascript?
16. What does a sequence diagram represent?
17. What is the difference between a class and an object?
18. What are the following examples of: Factory, Prototype, Adapter, Bridge, Composite and Iterator?
19. What is a class factory and why would you want to use one?
20. How would you create a singleton in C++? (Show what should be in the .cpp and .h files.)
Answer only those questions that you know
XPize is a GUI enhancer for Windows XP and above. It replaces most of the non-XP icons, avis and bmps that Microsoft has always overlooked.
The installer simply automates the process of replacing resources in critical system files, making your XP’s look better.
It also includes some extras and a reloader, which you can use after visiting Windows Update.
XPize does not contain any spyware or ad-ware of any kind.
If you are not satisfied with the results, you can completely uninstall XPize.
XPize is compatible with any version (except x64) and any language of Windows XP (Home, Pro & MCE) and 2003.
Link: http://xpero.msfn.org/
So far, I’ve written about 174 lines with the AI, though it’s not completed yet. I only need to program what the AI moves will be and it’s done. Should be done within 26 lines 
I should be positing the source code when I’m done, that should be done in the next few day.
Since I’ve got a lot of free time during my vacation, I started learning C++ (which I had previously learned), but this time, with in depth understanding. I don’t have much knowledge about the language yet though but I can understand pretty well what’s going on if you give me a bit of code.
I’ve setup a temporary wiki at http://djzarek.com.ru/wiki/ in order to get more info about each specific file and with a hope that some emule modders, programmers will come and help out filling this wiki that might be useful for their community later on.