Forcing RTTI on record types

While developing the “Type Support” module for the generics library I’m working on I’ve encountered a little problem – the compiler will not emit RTTI information for the records. Actually that isn’t entirely true – RTTI will be…

Read More »

Pointer to String casts

This post describes how to avoid a recent mistake I’ve seen in a Delphi application related to “Pointer to String” casting. Consider the following example: In this example an untyped pointer was allocated with 128 bytes of memory,…

Read More »

Delphi Prism: DelphiString

Was just reading the source code for ShineOn (the RTL implementation in Delphi Prism) and found an interesting piece: DelphiString (in /ShineOn.RTL/DelphiString.pas). What is it? It is a class that tries to replicate the behavior of the Win32…

Read More »

Delphi and the Integer data types

There’s a lot of discussions on CodeGear newsgroups lately regarding the Integer data types and 64 bit support. Just wanted to clarify some points for people waiting for the 64 bit release of RAD Studio (due somewhere in…

Read More »

Delphi Generics: constructor restriction

As promised in the previous post “Delphi: Default parameterless constructor” I will now try to create a new generic class that accepts a type parameter that has a “constructor” restriction (must have a default public parameterless constructor). Let’s…

Read More »

Delphi: Default parameterless constructor

A weird consequence of Delphi’s OOP behavior is how constructors are handled, and in particular how the default parameterless constructor is handled. Consider the following example: [Delphi] type TMyClass = class end; var Obj: TMyClass; begin Obj :=…

Read More »

Help Update 1 is out!

Finally, Help Update 1 for RAD Studio 2009 is out. You can read more about it here. Note that there are more fixes and improvements which were not mentioned. Even more are being planned for Help Update 2…

Read More »

Out vs Var parameters

All Delphi developers obviously know about the var keyword, otherwise known as “by reference“. Some (although I doubt it) may not know that Delphi has an out keyword also. Both are identical in the fact that both are…

Read More »

Links up again

After some struggle I managed to get the downloads working again. Enjoy.

Read More »

Downloads are down

Seems that the last update of the Download Monitor plugin I’m using in my WordPress broke down quite ugly. All the downloads were lost. I will try to put them up and running ASAP.

Read More »