I am always missing a table which list all SymbianSigned capabilities and option I do have to use them. Such table of course exit in SymbianSigned documentation but it is just too well hidden in a middle of a document.... So here is a short reminder for you too.

Most of the Nokia 5800 Express Music phones that you can buy today come with a nice (!) firmware bug that prevents you from installing any application on them: each try fails with a "Certificate Expired" error message. Here is how to solve the problem.

A small tip to control the visibility of a listbox highlight. This allow you to use a listbox for the layout of some information while you don't need to handle any specific selection.

To work with real-time video one needs at least two things - direct access to bitmaps and fast way to get frames from a video camera. To achieve the first goal one needs to keep in mind that Bitmaps are located on a shared heap that needs to be locked before any direct access can safely take place.

Carbide.c++ is a rich and sometimes complex IDE. It is also full of small useful features that can speed-up your works once known. Today, I have just discovered about the Quick Outline feature. Not a revolution as the Outline view is generally present in the Carbide C/C++ perspective, however this view has a problem with it: you generally just see the name of the class and not your function.

Hardware exceptions are abnormal events triggered by the ARM instruction being executed. The sources of this can be accessing non-existing memory, accessing mis-aligned memory, writing to a read-only area of memory, jumping to invalid memory address, local stack overflow and so forth.
Tracking down hardware exceptions is a developer’s nightmare.

S60 3.0 and 3.1 both have WebKit Browser Control available, but developers have to link their applications against different libraries. This short tutorial explains how you can use the same application binary for both S60 3.0 and 3.1 and still use the WebKit Browser Control for both.

A super short guide to how to setup a UIQ3 Emulator to use a Bluetooth USB dongle. All you need is the Bluetooth USB driver from Nokia and a bit of tweaking in the bt.bt.esk file...

It sometimes happen when writing connected application that you need to manipulate data in Base64, Quoted Printable or UU format. This is fairly easy with Symbian OS as three simple classes, all derivating from TImCodec, will do the job for you...