Xu Cui

 

   



562 Stories by Xu Cui

regular expression in actionscript

lazy quantifier: Add a question mark (?) after any quantifier to change it to what is known as a lazy quantifier. For example, the following regular expression, which uses the lazy *? quantifier, matches <p> followed by the minimum number of ch
0 11 sec read

Lock datagrid column width

In my datagrid, even when I set the width of some columns explicitly, they always change in an unpredictable way when I (1) resize my window (2) minimize and maximize the window. I finally find the cause: it’s because I used “minWidthR
0 13 sec read

non-blocking pause

Assume you have a presentation and you want it to stay on the screen for 10 seconds, you may write code something like pause(10) or WaitSecs(10) It’s fine except you can do nothing within those 10s. What if you want to do something else during
0 19 sec read

I’m in newspaper :)

Check out http://www.photofunia.com/. It’s fun.
0 1 sec read

create a thumbnail of an image in actionscript

Assume test1.jpg is the original file and test1_thumb.jpg is the thumbnail file to be created. The width or height of the thumbnail is of maximal size 100. private function loadBMP():void { loader.contentLoaderInfo.addEventListener(Event.COMPLETE, on
1 34 sec read

brain image preprocessing

convert between different image formats strip skull (FSL bet, or Bet for gui) bet brain.nii brain_noskull.nii register to a standard brain (FSL flirt, or Flirt for gui) Select avg152T1_brain.img as reference, use rigid body (6 parameters) A mat file
0 19 sec read

upload a file with php and AIR

Let’s say you want to upload a file to your server with your AIR program (using File.upload). On the server side you have a php script to handle the file uploading. A very common mistake is that the name of the file field in your AIR (by defaul
0 24 sec read

Stanford NIRS lab

Check out Near infrared spectroscopy (NIRS) Lab I take charge of: http://spnl.stanford.edu/tools/nirsCIBSR/nirsHome.htm NIRS allows you to measure neural activities on the surface of the brain. Some labs use NIRS to do brain-computer interface, i.e.
3 11 sec read

includeInLayout hide/show a component

Let’s say you have a Label and you want to show this label only when condition == true, you may do this: <mx:VBox> ... other components ... <mx:Label text="this is label" visible="{condition}"/> ... other compone
0 20 sec read