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October 2014

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DWS Web Server update

DelphiTools – A new version 2014.10.15 of the DWS Web Server is available. This version contains a variety of improvements and fixes, along with a new sample for JS libraries. Here is the download link for the installer: DWSWebServer 2014.10.15 (1514 kB) And here is the list of changes: added support for .p2js ...
Details Favorite? Off-Topic? Eric Grange @ 2014-10-15 17:00
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DWS WebServer with JavaScript CodeGen

DelphiTools – The pre-compiled 2014.10.13 version of the DWScript WebServer is now available! This version includes the Pascal to JavaScript CodeGen! Here is the download link for the installer: DWSWebServer 2014.10.13 (1541 kB) This version also includes all fixes and improvements in DWScript, but the main ...
Details Favorite? Off-Topic? Eric Grange @ 2014-10-13 13:30
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DWScript news and sneak peek

DelphiTools – Below is a quick summary of changes in the SVN since the last post. There is also a mini-sneak peek of things to come! Recent changes Language changes Arrays can now be concatenated with the ‘+’ operator (same as XE7), note that it is supported for static arrays too, but a concatenation ...
Details Favorite? Off-Topic? Eric Grange @ 2014-10-08 09:12

September 2014

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Operator precedence changes

DelphiTools – Here is a summary of recent DWScript changes, the major one is a change in operator precedence to something similar to Delphi and FreePascal. Other changes are related to sets and bug fixes. The precedence of operators has been changed to be inline with Delphi & FreePascal, this means that AND, ...
Details Favorite? Off-Topic? Eric Grange @ 2014-09-02 15:29

August 2014

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String Hashing Shootout

DelphiTools – Following a recent post by A. Bouchez about an optimized CRC32 hash, I took it as an opportunity to re-run a small String Hashing Shootout on the worst hash function collision torture test I know: ZIP codes in UTF-16 (Delphi’s default String format). Contenders CRC32 using the SynCommons CPU ...
Details Favorite? Off-Topic? Eric Grange @ 2014-08-25 10:01
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DWScript happenings and new logo

DelphiTools – Long time, no post here, but not no happenings on the DWScript front Behold a “cleaned up old logo” for DWScript, which will replace the old one until a better one is made The DWS source saw mostly bug fixes and small improvements during the last months, as I became absorbed in the ...
Details Favorite? Off-Topic? Eric Grange @ 2014-08-11 15:41

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
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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

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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
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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

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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

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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
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