Could anybody tell me how it is possible in perl to go one line back in perl when you iterate over the text file. In instance if I see text in line and I recognize it and if it is recognized as an par
I have a Canvas on which I draw lines (via Lines or Paths) that indicates a road to follow for users. Is there a way to change the line开发者_Python百科 so that it displays a repetitive image instead?
I\'d like to know a library to draw graphics in WPF.. I\'d like to plot a line graph with a lot of points which increases at runtime..
I have a text file that contains the following three lines: 12 5 6 4 2 7 9 I can use the fscanf function to read the first 3 values and store them in 3 variables. But I can\'t read the rest.
#include <stdio.h> #define MAXDIG50 void main() { FILE*f; intj, i = 0; chardig[MAXDIG]; if ( !(f = fopen(\"H:\\1\\first\", \"r\")) ) {
I want to wrap two spans in one line with CSS. Here is my code: <div style=\"width:60px;\"> <span id=\"span1\" style=\"float:left; display:inline;\"></span>
Could you please tell me what is the optimal way to extract idle 开发者_运维技巧value from this line using grep?
An O(n) algorithm to detect if a line intersects a convex polygon consists in checking if any edge of the polygon开发者_运维问答 intersects the line, and look if the number of intersections is odd or
Emacs\' hl-line-mode is just what i need but i would like to change it\'s horrible yellow color, anyone know how can i do that开发者_开发问答?I use (set-face-background hl-line-face \"gray13\").
Is i开发者_运维问答t possible to change the width of a line series with the chart bundled in .net 4? How would i do it?Yes, you can.
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