Having panels which update quickly without flickering requires
double-buffering. To accomplish this in C#, you'll have to derive from
the standard Panel class as shown below, and then replace the
declaration and instantiation of the panel with your new class.
using System.Windows.Forms;
namespace WindowsFormsApplication1
{
public class DoubleBufferedPanel : Panel …So here's the scenario. I was looking to have the a panel with exact dimensions on a C# form (700x400). I wanted even and default spacing around the panel on the form. I figured out the default spacing was 12, so I set the size of the form to 724x424 …
read moreAlthough definitely not the only step to stopping malicious email, not displaying HTML or rich text in messages goes a long way. Here's the summary of where the settings are located:
Tools menu, Options, Preferences tab, E-mail area, E-mail Options, Message Handling area.
Tools menu, Trust …
read moreHere are a couple useful PHP commands that you can run on your server to get useful information.
This one gives basic information about the PHP installation, which can be used for troubleshooting or just verifying that PHP is running.
<?php phpinfo(); ?>
This one tells you the name of the …
read moreI just stumbled across the MySQL GUI Tools Bundle which is very useful for managing a MySQL databases. In my opinion, it's much easier than using phpMyAdmin, which I had been doing previously. The only problem is that using it "requires" the machine the database is on (my web server …
read moreI had quite a bit of fun trying to get Apache to serve the admin files for my Django install. Here are the settings I used to finally get it to work. Note that the site is in a subdirectory of my domain. I'm not currently hosting any other media …
read moreReading some php code, you might get confused about the difference betweeen =, ==, and === (this single, double, and triple equal signs). Here's a quick summary.
= (Assignment) Just like in (pretty much) every other programming language.
== (Equality) Returns true if the two variables have the same value.
=== (Identity) Returns true if the …
read moreI got this annoying error message this morning when trying to open Outlook 2007.
Cannot start Microsoft Office Outlook. Cannot open the Outlook window.
I tried logging out and back in, which didn't help. Neither did a restart. A quick Google search revealed the following solution:
I thought this was funny:
read moreHistorical footnote: DDT was developed at MIT for the PDP-1 computer in 1961. At that time DDT stood for "DEC Debugging Tape". Since then, the idea of an on-line debugging program has propagated throughout the computer industry. DDT programs are now available for all DEC …
The MATLAB script below will export 10000 primes to a file named 'primes.txt':
x=primes(10000); % Insert your own value here
fopen('primes.txt','w+'); % Insert the file name heref
printf(ans, '%d\n',x); % Prints a new line between each prime (C-style formatting)
fclose all;