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May 2014

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Delphi XE6 32bits and Scimark

DelphiTools – In a Google+ comment to my recent article about inlining in XE6, Leif Uneus posted results from Scimark. It appears that XE6 is about 30% slower than previous versions at least from XE5 to XE for 32bits floating point. Note that Scimark does not make use of inlining, but does make heavy use of ...
Details Favorite? Off-Topic? Eric Grange @ 2014-05-08 06:00
12
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A Look at Improved Inlining in Delphi XE6

DelphiTools – First noticed by dewresearch, Delphi XE6 introduced a new optimization for inlined functions that return a floating-point value. Here is an exploration of what was improved… and what was not improved. When inlining was introduced in Delphi, one limitation was that functions returning a ...
Details Favorite? Off-Topic? Eric Grange @ 2014-05-07 10:00

April 2014

3
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New DWS WebServer release

DelphiTools – A new pre-compiled release v2014.04.04 for the DWS WebServer is available from the downloads page, it is compiled from the latest source. Besides the usual demo sites, it has been used to serve a crypto-currency block-chain explorer website that peaked at 1600 page views / hour after some successful ...
Details Favorite? Off-Topic? Eric Grange @ 2014-04-06 14:00
2
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Using reCAPTCHA in DWS WebServer

DelphiTools – We’ve all encoutered reCAPTCHA, as it’s one of the few effective ways to protect form submissions from bots on the internet. Acquired by google in 2009, it comes with multiple plugins for various web environment, here is a plugin for DWScript. The plugin (aka unit) can be found in the ...
Details Favorite? Off-Topic? Eric Grange @ 2014-04-04 12:04

March 2014

1
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Cryptographic Library for DWScript

DelphiTools – There is no an embryo of standard cryptography support for DWScript through the dwsCryptoLib module. The implementations are currently based on mORMot‘s SynCrypto unit, which is fast and solid. Script-side it’s exposed as a System.Crypto unit, and offers the following classes: ...
Details Favorite? Off-Topic? Eric Grange @ 2014-03-10 11:00
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DWScript binaries and downloads

DelphiTools – As Google Code no longer allows downloads, I will incrementally relocate the DWScript downloads on this website. The first of the new downloads is an updated binary installer for the DWS Web Server. The new version includes all latest changes from the SVN, and wraps the executable, demo website and ...
Details Favorite? Off-Topic? Eric Grange @ 2014-03-05 18:30
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HTTP Redirection in DWSWebServer

DelphiTools – Here is a small snippet to illustrate how you can perform a conditional HTTP 301 redirection in DWScript, and can serve as an illustration on serving “special” HTTP responses. This is useful when a website is moved from one domain to another, but the server is not, ie. if  both old and ...
Details Favorite? Off-Topic? Eric Grange @ 2014-03-03 11:12

February 2014

2
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BackgroundWorkers in DWScript

DelphiTools – An utility that was added to the DWScript sample WebServer during the 4 TeraPixel Mandelbrot experiment is the BackgroundWorkers API. This is a rather low-level threading facility that can work well with Global Queues to handle background tasks or serializing tasks. BackgroundWorkers static class ...
Details Favorite? Off-Topic? Eric Grange @ 2014-02-27 12:14
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Pascal vs Archetypal Enemy

DelphiTools – Once upon a time, there was a war (in the developer meaning), between Pascal, and another language whose name begin with the V and B initials. Well that war is over. Pascal won, sometimes in 2010. As proof look at the following Ohloh chart. While the Archetypal Enemy was set to finally ...
Details Favorite? Off-Topic? Eric Grange @ 2014-02-07 14:00

January 2014

6
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DataBasePool in DWScript

DelphiTools – A recent addition to dwsDataBase is the DataBasePool static class. As the names indicates, it facilitates pooling database connections from the script-side, while previously you had to rely on Delphi or driver-side pooling (or lack of). DataBasePool This is a really simple affair, with only three ...
Details Favorite? Off-Topic? Eric Grange @ 2014-01-14 11:45
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Who purchased the Delphi you use?

DelphiTools – Inspired by a recent question by Bruce McGee in the Delphi non-tech forum, here are a couple of mini-polls. Who purchase the Delphi you use? Do you use Delphi for work, hobby or both?
Details Favorite? Off-Topic? Eric Grange @ 2014-01-09 13:30
5
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Globals Storages in DWScript

DelphiTools – DWScript has a “Globals” facility that allows storing and sharing data across scripts living in the same executable. The first are Global Vars, and is a Key-Value storage, the second are Global Queues, which are LIFO/FIFO named queues. Both are thread-safe and high performance. Enabling ...
Details Favorite? Off-Topic? Eric Grange @ 2014-01-06 11:00
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Launching fractals.dwscript.net

DelphiTools – Happy new Year to all! The fractals.dwscript.net is now launched to host the results of the recent Mandelbrot TeraPixel experiment. It’s a small website to centralizes browser, documentations, links and downloads. There was also news of a FireMonkey client for the data set API. Raw Database ...
Details Favorite? Off-Topic? Eric Grange @ 2014-01-01 08:00

December 2013

6
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And the Terapixel Became Four

DelphiTools – The Christmas Mandelbrot Experiment is now nearing completion of Level 13, or a Four Terapixel image! This will be the end of the experiment (at least temporarily) as the server is running out of storage space Finishing Level 13 I’ve temporarily closed off browsing of Level 12 to make room for ...
Details Favorite? Off-Topic? Eric Grange @ 2013-12-27 08:15
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A Terapixel Image for the DelphiWebScript Christmas!

DelphiTools – As a step up from the previous Mandelbrot Set explorer, I’m running a Terapixel image experience for DWScript Christmas 2013. This is again on the Mandelbrot set, and involves a massive step up in complexity from the previous version, this one isn’t just server-side computed, it’s ...
Details Favorite? Off-Topic? Eric Grange @ 2013-12-24 08:00
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