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November 2018

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Inheritance with chakracore-delphi

Delphi and stuff – I've just pushed some updates to chakracore-delphi. A new feature worth mentioning is support for inheritance (I mean Javascript-style, "prototypical inheritance") in both directions. Suppose the following hierarchy: First, here is Shape the "superclass", defined in Javascript: Next comes ...
Details Favorite? Off-Topic? Ondrej Kelle @ 2018-11-11 22:33

October 2018

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My Lazarus External Tools

Delphi and stuff – Similar to My Delphi Tools blog post (wow, many years ago), here's my Lazarus External Tools configuration. Linux (Mint) Title: Explore to Source Directory Program Filename: caja Parameters: $Path($EdFile()) Working Directory: Title: Explore to Target Directory Program Filename: caja Parameters: ...
Details Favorite? Off-Topic? Ondrej Kelle @ 2018-10-29 18:11

September 2018

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Project Page IDE extension for RAD Studio XE

Delphi and stuff – In a response to this question on G+, I just published projpage-xe, an IDE extension for RAD Studio (Delphi and C++Builder) as open source on GitHub. This IDE extension is targetting RAD Studio XE version (ie. BDS 15.0 released in August 2010) specifically. It can hopefully serve as a work-around ...
Details Favorite? Off-Topic? Ondrej Kelle @ 2018-09-16 16:54

August 2018

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chakracore-delphi included in fpcupdeluxe

Delphi and stuff – chakracore-delphi is now included (as an installable module) in fpcupdeluxe. :-) Cheers!
Details Favorite? Off-Topic? Ondrej Kelle @ 2018-08-23 11:24

July 2018

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Delphi Free for Some - Lazarus Free for Everyone!

Delphi and stuff – Embarcadero has announced the Community Edition releases for Delphi and C++Builder. Sounds like a reason to celebrate. But reading the "fine print" is rather sobering, as the license agreement practically excludes anyone but some students and hobbyists, perhaps: "The Community Edition license ...
Details Favorite? Off-Topic? Ondrej Kelle @ 2018-07-19 22:09

June 2018

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FastText follow-up

Delphi and stuff – Just a quick follow-up for those of you who showed interest. My proof-of-concept with FastText has been a success. The C# class library has been integrated with a product and staged for a future release. The product provides a web-based conversational user interface, accepting natural language as ...
Details Favorite? Off-Topic? Ondrej Kelle @ 2018-06-23 12:05

May 2018

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One of my favourite ways of multi-threading on Windows

Delphi and stuff – Having blogged about a few bugs in multi-threading libraries recently, I want to show an easy and convenient alternative. It's minimalistic but it works. On Windows, the I/O completion port offers a way to use a thread pool for your multi-threaded application. Designed primarily for efficient ...
Details Favorite? Off-Topic? Ondrej Kelle @ 2018-05-20 16:16

April 2018

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Another Bug

Delphi and stuff – So you've put in the time and effort to refactor your code and data for parallel execution and are eager to see some parallel action. Unfortunately, you might be disappointed; in some cases your tasks might get serialized, performed sequentially in a single thread. With the overhead you've just ...
Details Favorite? Off-Topic? Ondrej Kelle @ 2018-04-28 10:58
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Don't lose time with a known Delphi bug affecting TParallel.Join

Delphi and stuff – Writing multi-threaded code is hard and takes a lot of time. That's why it's especially annoying to waste time with bugs like this. Reading (and enjoying) Primož Gabrijelčič's book Delphi High Performance, I've come across this paragraph in Chapter 7: Exploring Parallel Practices: There's not much ...
Details Favorite? Off-Topic? Ondrej Kelle @ 2018-04-22 15:34
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Artificial Intelligence Transgender: Kings and Queens

Delphi and stuff – Researching for some Natural Language Processing tasks for a .NET application recently, I've come across Facebook's FastText library. FastText is an open-source, free, lightweight library that allows users to learn text representations and text classifiers. It works on standard, generic hardware. ...
Details Favorite? Off-Topic? Ondrej Kelle @ 2018-04-15 19:13
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First steps with Lazarus Qt5 interface

Delphi and stuff – Steps for building and installing Qt5 for Lazarus Using a quick test project with partial code shown here: unit1.pas I'm using Qt 5.6.2 because that's the version with which Lazarus qt5 interface has been tested. You can experiment with later versions, too. Windows 32-bitUsing MinGW$(LazarusDir): ...
Details Favorite? Off-Topic? Ondrej Kelle @ 2018-04-02 10:05

February 2018

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We're not interested in improving our product

Delphi and stuff – This morning I've found some sad news over at The Wiert Corner. Apparently, Jeroen Wiert Pluimers - a valued member of the Delphi community, whose work I appreciate a lot - got his MVP status and technical partner licenses revoked. Jeroen won't be able to support Delphi community and open source ...
Details Favorite? Off-Topic? Ondrej Kelle @ 2018-02-11 16:01
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Updated chakracore-delphi examples

Delphi and stuff – chakracore-delphi has been updated to show some (still rather crude) example implementations of: setTimeout setInterval native Promise
Details Favorite? Off-Topic? Ondrej Kelle @ 2018-02-04 19:09

January 2018

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chakracore-delphi initial release

Delphi and stuff – The initial release of chakracore-delphi is out, published under the MIT license. Short summary: Comments, ideas and of course pull requests are very welcome. Cheers!
Details Favorite? Off-Topic? Ondrej Kelle @ 2018-01-12 18:12
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chakracore-delphi

Delphi and stuff – With the initial release coming up soon, here are a few teaser screenshots of chakracore-delphi, a new opensource library with Delphi and Free Pascal bindings and classes for Microsoft's ChakraCore Javascript engine: FPC 3.0.4 and Lazarus 1.8 build (win64): FPC 3.0.4 and Lazarus 1.8 build ...
Details Favorite? Off-Topic? Ondrej Kelle @ 2018-01-06 15:19
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