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June 23rd, 2019, 11:44 AM
How implement encoding with dictionary?
I have buffer buf, current position ptr and my string buf[ptr]...buf[ptr+len1] = buf[prev]..buf[prev+len]
How fast find prev position for ptr positon?...

April 5th, 2017, 01:48 PM
How to better display vector graphics? WinForms or WPF? WinForms is easier to use but not such possibilities. In WPF can one draw rotated ellipses?

My old program shows correct icon.
My new Drag&Drop program not shows.
In old xaml is:
<TreeView Name="treeView" Grid.Column="0" AllowDrop="True">
<TreeView.Resources>
...

April 29th, 2016, 01:48 AM
I must read TreeViewItem.height (for example: always 16) for extended Drag&Drop.
If I try read item.height, it is NaN, because is not set.
Item.ActualHeight is 16 for collapsed nodes but for...

November 28th, 2015, 07:35 AM
One solution is
wincl.hbrBackground = CreateSolidBrush(RGB(202, 238, 255));
where WNDCLASSEX wincl is class.
This solution is improvident because for each window must be one class. Better is...

November 28th, 2015, 02:44 AM
I am working under Windows 8.1; I test window size with border and without border. Horizontal difference is 16, vertical 39. 39 = cyCaption+16;
Frame has 8 on all sides? Why cySizeFrame = 4 and...

November 28th, 2015, 02:42 AM
I create main window by CreateWindowEx() but I want child window like button. Child window should automatically move when parent window moves.
How create it?

July 14th, 2015, 04:04 AM
Which algorithm is best, which is fastest? Especially I think about Java implementation.

March 21st, 2015, 12:26 PM
I am trying create Tree component from scratch. Each node can have list of nodes. Any node can be expanded or not.
Is necessary one list across all list,
for example:
a
b
d
e...

December 31st, 2014, 10:07 AM
I have images: http://i.imgur.com/UNaUZZ9.png and http://i.imgur.com/HIJQupz.png
How detect it is not ellipse? Is any OCR algorithm to this?

October 8th, 2014, 09:58 AM
Which algorithm is to find linestring outline of spot?

July 25th, 2014, 03:44 PM
I have cell kernels, mostly ellipses
In 200 enlargement is :
http://i.imgur.com/sJZYAEc.png
First line: shape is like circle,in 2nd and 3rd ellipses horizontal and vertival, next line ...

Algebraic programs prefers Lisp. If is possible code it with Java?

Which is method to symbolic transformations of equations?
For example: I must find equation of line passing through two points (x0,y0) and (x1,y) in form Ax + By + C = 0
this equation is...


Wikipedia: Maximum_independent_set
In general problem is NPhard, but my greedy solution is OK for point set decimation

Combinatorial approach:
I have any idea:
If we have only one vertex  nothing to do
If we have connected 0 with 1  let remove 0 or 1
If we have three vertices, we have 3 similar cases and one...

Original problem is:
I have set of points. I must decimate this points obtain subset points, where distance between each pair is >=dmin.
I use graphs giving connections between vertices if distance...

Sorry for my English, if the terminology will be confusing.
We have graph with vertices: 0..7
This vertices are connected bidirectional:
0 with 1
1 with 2
3 with 4
5 with 6
6 with 7
7...

June 29th, 2014, 05:18 AM
This image on the right is not exact how to should be. It is possible to divide cell to regions with one kernel in region or regions can overlapped.

June 27th, 2014, 12:56 PM
I have 32719 I must divide cells into 32721
Each cell has kernel  light blue rectangle. How is name properly algorithm?

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