During today’s Delphi, C++Builder and RAD Studio 10 Seattle launch webinar, I got a question on how to add headers to TListView programmatically instead of using LiveBindings with a data source.
Here is a quick code snippet showing how to programmatically add TListView headers.
procedure TListViewHeaders.FormCreate(Sender: TObject);
var
Group, Item: Integer;
begin
for Group in [1..4]…
With the RAD Studio 10 Seattle release, we introduced 5 new VCL UI controls. These controls were specifically designed for Windows 10 and address common UI paradigms on Windows 10. While they were designed for Windows 10, the new VCL controls will also work with older…
Adding a [FixedLength] Attribute in Code-First Entity Framework
August 17, 2015
Author: Craig Stuntz
In Code First Entity Framework models, you can define the length of a string field with StringLengthAttribute, but you have to write code in OnModelCreating to indicate a CHAR/NCHAR fixed length field:
public class MyEntity
{
[Key]
public int Id { get; set; }
[StringLength(2)]
public string FixedLengthColumn { get; set; }
}
public partial class MyContext…
Several developers reporting an issue where the C++Builder IDE code editor structure window was blank after they upgraded their Windows machine to Windows 10. The issue is reproducible on these scenarios:
The user has a machine with a Windows version lower than Windows 10…
Author: Developer Skill Sprints
More Information
Using an HTTP Client
System.Net.HttpClient
XE8 Code Samples: HttpDownload
Samples\Object Pascal\RTL\HttpDownload
Samples\CPP\RTL\HttpDownload
XE8 Product Reviewers Guide
Code Central Code…
Author: Embarcadero USA
Here are 10 quick SQL Server tips and tricks for database developers compiled by SQL Server expert Pinal Dave.
For inefficient query plans: Check for issues with bad cardinality estimates.
The maximum degree of parallelism can be limited server-wide by using the max degree of parallelism option.
DMV – sys.dm_os_nodes provides information about CPU node…
Delphi VCL and FireMonkey: eBooks, Books, Tutorials and Courseware - a collection of links
July 6, 2015
We are often asked where developers and teachers can find books, courseware and tutorials available today that cover Delphi programming and Multi-Device FireMonkey app development. The great news is that there are more and more books appearing on Amazon, Lulu and online.
Pawel Glowacki asked about vibrating smartphones using Delphi code for iOS and Android. Thierry Laborde and Williamm Wittwer of Embarcadero France provided the following Delphi and FireMonkey sample code:
unit Umain;
interface
uses
System.SysUtils, System.Types…
Embarcadero Technology Partner Spotlight
Mitov Software – Delphi Arduino control and communication Boian Mitov – Mitov Software Thursday, June 25, 2015 http://www.mitov.com/ http://www.visuino.com/
YouTube video –https://www.youtube.com/watch?v=OZhWi_lA-_c
Mitov Software is specialized in development of high performance software and Data Flow solutions for Delphi and…
