While trying to communicate with my HTTPS server, I encountered a problem when CDN (Cloudflare) was active. Exception class EIdOSSLUnderlyingCryptoError with message ‘Error connecting with SSL. error:14094438:SSL routines:ssl3_read_bytes:tlsv1 alert internal error’. error:14077438:SSL routines:SSL23_GET_SERVER_HELLO:tlsv1 alert internal error’. I switched to TNetHTTPClient and it worked. Here is the code: // TNetHTTPClient. function GetToken(CONST URL: string; StatusInfo: TCallbackEvent […]

Serialization is a critical technique in programming, enabling objects to be saved to disk or transmitted over a network. While there’s no universal, automatic way to serialize complex objects in Delphi (due to challenges like private fields), manual serialization is straightforward—and binary serialization, in particular, stands out as the fastest and most efficient method. In

You can publish your application on your website. But Microsoft SmartScreen will not like it at all if the binary is not signed. This is how the same application looks signed and unsigned: Last reviewed: May 2026. Two industry-wide changes have completely reshaped this market since I first wrote this article — if you stop

When trying to load an RTF file using RichEdit.Lines.LoadFromFile(FileName) and RichEdit.ReadOnly = True the RichEdit removes all images from the RTF file showing an empty placeholder. Solution: The solution is to call these methods in this specific order with these specific parameters: procedure TForm2.FormCreate(Sender: TObject); begin // Must be False RichEdit.ReadOnly:= FALSE; // This is

After so many years, there still is no solution to this problem online. So, I had to try to fix it on my own. Update: This also fixes the 00000000-0000-0000-0000-000000000000 error! Two things worked for me: 1. Manually delete all stuff related to BattleNet from my computer (registry and disk) then try to reinstall: Full

Note: This article is tightly connected to the “Never create a new Delphi project” article.     These are my settings for each new project I start and the explanation why they are set like this. Also, I will try to convince you to use Assertions. They are a gemstone ignored by (way too) many

“Delphi in all its glory – Delphi for more than mere programmers” (ISBN:9798387412141) was released on time (March 2023) as promised. This is the first book in the series. You can find the printed book on your local Amazon (Amazon.com, Amazon.de, etc) or in electronic format. The source code for the example used in the