ralphje.net Blog

Recently, I’ve bought a NetGear WNDR3300 router, which supports N-draft. Ffor a more convenient management of this router, I decided to put DD-WRT firmware on it. For some reason, however, my router doesn’t want to broadcast N-draft with this firmware. As information is limited, here’s how you can revert your installation of DD-WRT:

Although I’m Dutch, I prefer to use my Operating System and software in English. This has several reasons, but the foremost reason is that I just don’t like some translations (Mac OS X, for example, translates ‘File’ as ‘Archief’ (‘Archive’) instead of ‘Bestand’ (‘File’)). However, I like to see my date and time formatting in [...]

A common problem found by starting PHP programmers is the warning: Warning: Cannot modify header information – headers already sent by (output started at index.php:1) in index.php on line 3 Before understanding this problem, you have to know how pages are transmitted using the HTTP-protocol.  Any page or image you receive looks like this: HTTP/1.x [...]

A very long time ago, the idea of the internet was providing static information. For a long time already, this isn’t true anymore. User-generated and dynamic content are common nowadays and web developers are still trying to keep their applications up-to-date with the latest developments. However, they are becoming lazy and are getting confused. They [...]

Nowadays it isn’t uncommon for me to hear about the ‘amazing’ Microsoft Windows. Everybody has learned to work with Windows, and therefore doesn’t understand better methods. Microsoft has a monopoly and because everyone uses it, everyone uses it. And that’s the reason Hyves is that big; just because ‘everyone’ is on it. Hyves is the [...]

And there’s a draft of me again . Not that someone will use the following in practice, but it is an idea. If you want to use it, just put my name somewhere. Well here it is: The problem with safe trading at the internet is that you never know if your ordered product arrives [...]

I noticed lately that there’s not much ‘webby’ about ‘webmail’. Webmail is just an interface for reading a POP- or IMAP-server. In fact, it’s just an idiotic construction from server to server to client. Currently, e-mail uses POP3, IMAP and SMTP to communicate between client and server. This are, in my opinion, dated specifications (1982, [...]

I noticed that the CPU usage of Explorer, and to be more specific: the thread shlwapi.dll, could slow your system down quite a bit, especially if you’re computer isn’t quite state-of-the-art. That’s why I began my investigation. It appears that shlwapi.dll is (among other things) the search engine for the Start-menu search bar. I personally [...]

MySQL is a powerful database engine, especially in combination with PHP. But how do you retrieve information from a dabatase? In this post I’ll try to explain the difference between mysql_fetch_array, _assoc, _field, _length, _object and _row.

One of the (pure PHP) ways PHP offers for saving user data across several pages are Sessions. They come in different flavours: at first, there’s the one that makes your URL ugly, but makes them usable for all users. Secondly you can use cookies. That’s much nicer, but doesn’t work for all browsers. Surf2me.nl uses [...]