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7 Posted Topics
 | If I declare ctrlArray at class level, I get the following error when I use ctrlArray in any of the subs; "Object reference not set to an instance of an object." Referring to ctrlArray(i). Specifically, the error first occurs in line 11 of the most recent code, where I've commented … |
| | Hi everyone, I have been working with VB6 for about a week now, so I'm still a newbie. I have a pretty big project coming up and I have a question relating to the capabilities of VB6. I want a GUI that has a "Model" tree on the left, and … |
| | I would like to place a footer at the bottom of my DHTML web page. The simple footer tag doesn't do what I want because the text in the footer is simply placed underneath the current text on the web page. What I want s for the footer to stay … |
| | Hey all, I have the following HTML, adapted from a more complicated one I'm creating; [CODE] <HTML> <HEAD> <SCRIPT TYPE="TEXT/JAVASCRIPT"> function setup(ans) { lit = '' if (ans == 'anim') { lit = '<br><br>How many legs? ' lit = lit + '<SELECT NAME="q2" ONCHANGE="print(document.quest.q2.value)">' lit = lit + '<OPTION VALUE="">- … |
| | Hi guys, I've got the following, very basic, working DHTML; [CODE] <HTML> <HEAD> <SCRIPT TYPE="TEXT/JAVASCRIPT"> function setup(ans) { lit = '' if (ans == 'anim') { lit = '<br><br>How many legs? ' lit = lit + '<SELECT NAME="q2" ONCHANGE="alert(document.quest.q2.value)">' lit = lit + '<OPTION VALUE="">- Please select -</OPTION>' lit = … |
| | I'm having some trouble outputting a 2D vector as a grid in the Terminal. What I've done is create a class [ICODE]Grid[/ICODE] that creates a grid (in this case, a square grid), by creating a set of x and y co-ordinates whose spacing is [ICODE]dx[/ICODE] and [ICODE]dy[/ICODE]. I can then … |
| | I'm having trouble with a for loop! I'm trying to solve a differential equation using Euler's method like so; [TEX]\displaystyle\frac{dy}{dx} = 7{y^2}cos(y^2)-3e^{xy}, \ \ \ 0 \leq x \leq 1 \ \ \ y(0) = 0[/TEX] This is solved using the algorithm [TEX]y_{n+1} = y_n + hf(x_n , y_n)[/TEX] Where … |
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