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January 2019

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My Today's Webinar on VCL High-DPI in RAD Studio 10.3

Marco's Tech Blog – The webinar covers some of the challenges in building Windows applications for High DPI monitors and in supporting systems with multiple monitors having different resolutions -- like I do. The idea is to cover the issues from general terms, touching on different options the Windows operating system ...
Details Favorite? Off-Topic? marcocantu @ 2019-01-16 10:46

December 2018

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My Year in Cities 2018

Marco's Tech Blog – This is my end-of-the-year blog post listing places I've visited in 2018 for at least one night (plus some relevant daily trips, marked with an asterisk), in chronological order. At times, the reason for the trip is listed:  Piacenza (Italy) -- where I live Santa Cruz (California, ...
Details Favorite? Off-Topic? marcocantu @ 2018-12-31 23:02
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What's In RAD Studio 10.3 Architect Edition?

Marco's Tech Blog – Since the early days, Delphi and RAD Studio have always been distributed in different editions, which occasionally change over time. During the last year, we have redefined all of the editions of RAD Studio, creating a new offer. Delphi, C++Builder, and RAD Studio Versions We ...
Details Favorite? Off-Topic? marcocantu @ 2018-12-19 12:45
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New RAD Server Features in RAD Studio 10.3

Marco's Tech Blog – The version of RAD Server that ships with RAD Studio 10.3 offers a very significant set of enhancements, mostly focused on how a resource (and have a URL) is mapped to classes and methods on the server. While the key idea of having classes (or data modules) that implement resources remains the same, ...
Details Favorite? Off-Topic? marcocantu @ 2018-12-17 17:50
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My CodeRage 2018 Sessions Source Code

Marco's Tech Blog – Over the last two days, I gave two technical sessions at CodeRage 2018.  For the session on RAD Server, including new features in 10.3, I created a single project with multiple resources and endpoints, that you can find at ...
Details Favorite? Off-Topic? marcocantu @ 2018-12-07 12:19
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CodeRage 2018 Starts Today

Marco's Tech Blog – The 2018 edition of CodeRage, Embarcadero online yearly conference, starts today as you can see at https://www.embarcadero.com/coderage-2018 The event takes place online (participation is free, but you must register to attend) today, tomorrow and Thursday, from 8AM to 6PM Central US time. ...
Details Favorite? Off-Topic? marcocantu @ 2018-12-04 12:42

November 2018

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New Delphi 10.3 Warning "Unknown Custom Attribute"

Marco's Tech Blog – Up to Delphi 102, if you used a custom attribute that was not known to the compiler (because you typed it incorrectly or a unit was missing in the uses statement), you'd receive the warning: Warning: W1025 Unsupported language feature: 'custom attribute' This message was misleading, because ...
Details Favorite? Off-Topic? marcocantu @ 2018-11-30 17:19
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Delphi RTL Improvements in 10.3 Rio

Marco's Tech Blog – While working on 10.2 updates, we started delving into some performance issues of the Delphi RTL, that were effecting other libraries like JSON processing, streaming, string processing, DataSnap and RAD Server web services, and more. In many cases, addressing these issues required adding new methods ...
Details Favorite? Off-Topic? marcocantu @ 2018-11-26 18:17
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Delphi 10.3 Released

Marco's Tech Blog – Delphi 10.3 has been released yesterday as part of RAD Studio 10.3. The new release has a very large number of features, in many different areas, which you can read in the product main page and documentation (see links below). There are a few things in Delphi 10.3 I'm personally proud of and ...
Details Favorite? Off-Topic? marcocantu @ 2018-11-22 12:14
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Deferring Delphi Managed Records Support

Marco's Tech Blog – As you probably remember, I previously posted a 10.3 pre-release blog post on managed records in the Delphi language. We had a great beta program for RAD Studio 10.3 and received a lot of very valuable feedback from partners and customers. Based on the feedback we received in the beta cycle, we ...
Details Favorite? Off-Topic? marcocantu @ 2018-11-21 12:00
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VCL Support for Per Monitor v2 and GetSystemMetrics Coming in 10.3

Marco's Tech Blog – Supporting multiple monitors with different resolutions in Windows applications, including VCL ones, is often fairly complex. One of the issues faced in the past was that asking for the size of platform elements with Windows APIs like GetSystemMetrics used to return only information for the primary ...
Details Favorite? Off-Topic? marcocantu @ 2018-11-20 11:01
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Custom Managed Records Coming in Delphi 10.3

Marco's Tech Blog – Beside inline variable declaration, as explained in my recent blog post, the coming 10.3 version of Delphi will have another relevant addition to the Delphi language, namely the ability to define code to be executed when records are first initialized, disposed from memory and copied. Before we get ...
Details Favorite? Off-Topic? marcocantu @ 2018-11-07 12:20

October 2018

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Introducing Inline Variables in the Delphi Language

Marco's Tech Blog – The Delphi language in 10.3 has a fairly core change in the way it allows far more flexibility in the declaration of local variables, their scope and lifetime. This is a change that breaks a key tenet of the original Pascal language, but offers a significant number of advantages, reducing unneeded ...
Details Favorite? Off-Topic? marcocantu @ 2018-10-29 10:23
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Directions for ARC Memory Management in Delphi

Marco's Tech Blog – A few years back, when Embarcadero started building new Delphi compilers for platforms other than Windows there was a lot of discussion how compatible the new Delphi should have been with the current language, in terms of core language features and overall perception of the language. Eventually the ...
Details Favorite? Off-Topic? marcocantu @ 2018-10-26 11:53
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Windows 10 October 2018 Update

Marco's Tech Blog – Microsoft has released a new update of Windows 10, continuing with their now 6-month release cycle. The version 1809 was initially distributed, and then put on hold (twice, actually) because of issues, first with files on OneDrive and later with ZIP operations. But that’s not the point of my blog ...
Details Favorite? Off-Topic? marcocantu @ 2018-10-25 11:35
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