Author: Craig Stuntz
I helped another developer debug an interesting problem this morning. Let’s see if you can spot the problem. The code in question looked something like this simplified version containing only enough code to show the problem:
public void Execute()
{
DoStuff(); // breakpoint 1
}
public IEnumerable<Coordinate> DoStuff()
{
…
How to start a programming career with Delphi XE and C++Builder XE Starter Editions
February 4, 2011
Over the years, one of the recurring conversations has been around how to get started in computer programming, what language to learn first and how to prepare for a career. There have been numerous articles, blog posts, conference talks, videos, white papers and…
Author: Michael K22532
JSON support has been introduced in Delphi 2010 as a part of DBExpress database driver architecture, but of course JSON support is not limited to just database applications. JSON is similar to XML as both are text-based data interchange formats.
Delphi…
Author: Craig Stuntz
In an application which uses the Entity Framework, you may see the following error at runtime:
MetadataException: Unable to load the specified metadata resource
The cause of this error is a missing or malformed Entity Framework connection string. In…
Author: Pawe Gowacki
it is not a big discovery that all applications are running in the environment provided by the underlying operating system. Delphi is well-known for its rapid application development capabilities. The latest version of Delphi – Delphi 2010 –…
Author: Craig Stuntz
If you have a list, array, or query in a C#/LINQ application and need to check and see if the list is empty, the correct way to do this is to use the Any() extension method:
if (q.Any())
{
Similarly, you can check to see if any elements in the list…
Author: Pawe Gowacki
In my previous post “Boian’s TBitmap Visualizer and converting to grayscale” I have described an algorithm for converting arbitrary TBitmap instances to gray using a selected formula. The problem is with the performance of the code that…
Author: Craig Stuntz
A couple of weeks ago, I wrote What Is Homomorphic Encryption, and Why Should I Care? In that post, I promised to share my C# implementation of the algorithm from Craig Gentry’s CACM article. Before I can do that, though, I need to explain some of…
Updated: 28 November, 2021
Author: Craig Stuntz
What Is Homomorphic Encryption?
“Homomorphic” is an adjective which describes a property of an encryption scheme. That property, in simple terms, is the ability to perform computations on the ciphertext without…
Author: Allen
It seems that my previous post about FreeAndNil sparked a little controversy. Some of you jumped right on board and flat agreed with my assertion. Others took a very defensive approach. Still others, kept an “arms-length” view. Actually, the whole…
