| private static void fb_add() { | |
| String s1="5.4"; | |
| String s2="0.98"; | |
| String[] s1_array = s1.split("."); | |
| String[] s2_array = s2.split("."); | |
| String pre_s1=s1_array[0]; | |
| String pre_s2=s2_array[0]; | |
| private static int searchMazeBFS() { | |
| int[][] a = {{0,0,0,0}, | |
| {0,1,0,0}, | |
| {0,1,0,0}, | |
| {1,0,1,0}}; | |
| Point start = new Point(2,0); | |
| Point end = new Point(2,2); | |
| LinkedList<Point> queue = new LinkedList<Point>(); | |
| queue.add(start); |
This simple script will take a picture of a whiteboard and use parts of the ImageMagick library with sane defaults to clean it up tremendously.
The script is here:
#!/bin/bash
convert "$1" -morphology Convolve DoG:15,100,0 -negate -normalize -blur 0x1 -channel RBG -level 60%,91%,0.1 "$2"