Archive

Wednesday, 3. February 2016

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Delphi Blogs of the Week/Month #38

Marco's Tech Blog – Here is another round up of interesting links and blog posts for Delphi developers, over the last couple of weeks. Meanwhile the blog UI redesign continues, but it is still much of a work in progress. From Embarcadero Skill sprints at https://www.embarcadero.com/landing-pages/skill-sprints ...
Details Favorite? Off-Topic? marcocantu @ 16:50
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Windows Vista/7/8/… hangs for Windows Common dialogs when your COM initialisation is wrong

The Wiert Corner – A while ago I bumped into this: As of Windows 7 (and probably Vista), the standard Windows Common Item (Open and Save) Dialogs expect the main thread to be initialised with STA because it is easier to support apartment threading in single-threaded apartments because COM provides synchronization on a ...
Details Favorite? Off-Topic? jpluimers @ 05:00

Tuesday, 2. February 2016

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I am officially sick of DVCS

TURBU Tech – We use Mercurial at work.  It’s nothing particularly new to me; I’ve been working with it ever since SDL, a major open-source graphics library that I’ve been using and contributing to for a long time now, changed over to a HG repository several years ago.  You’d think that ...
Details Favorite? Off-Topic? Mason Wheeler @ 13:50
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Raspberry Pi 2 guide UPDATED!

OTAPI – Same Guide, Updated Information Having observed a lot of comments on the original guide noting that certain things no longer work (such as building the Trunk of both FreePascal and Lazarus), I have taken it upon myself to personally solve, test, and confirm solutions to those problems. Accordingly, ...
Details Favorite? Off-Topic? Daniel Jackson @ 11:03

Monday, 1. February 2016

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In Delphi, is addition commutative?

Delphi Corner Weblog – Answer: no, not necessarily. Despite the existence of operator precedence, i.e. the fact that the following X := 3 + 4 * 5; results in 23 and not in 35, the order of operands can still have an effect. In my BigInteger code, I discovered an odd error, that only happened in some very rare cases, ...
Details Favorite? Off-Topic? Rudy Velthuis @ 23:01
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Integer division by constant

The Programming Works – If divisor is fixed, the division operation can be replaced by multiplication by a reciprocal; the idea is very simple: x / d = x * (1/d); since d is fixed we can precompute 1/d and use faster multiplication operation. This trick works for integer division, with some additional complications. For ...
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InterBase User Security – InterBase Labs

Stephen Ball – InterBase User Security User Security isn’t new; everyone is use to logging into the applications they use. To help developers build cross platform applications faster, InterBase has a flexible API for user security that simplifies the access to data held in InterBase regardless if your ...
Details Favorite? Off-Topic? Stephen Ball @ 16:04
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Blog UI Redesign in Progress

Marco's Tech Blog – As you might have seen if you visited my blog during the last two days, I'm in the process of a complete redesign of the blog user interface. I'm moving from a totally custom CSS style written when I first built this blog, in September 2005, to a Bootstrap-based web site. I started from a rather ...
Details Favorite? Off-Topic? marcocantu @ 10:02

Sunday, 31. January 2016

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Innovation: You're Doing It Wrong

Delphi Code Monkey – I'm reading a book called The Idea Factory: Bell Labs and the Great Age of American Innovation by Jon Gertner. (2012).  Bell Labs, and its scientists were neither perfect, nor morally impeccable, and this book does not feign the sort of pseudo-scientific hagiography that the subject matter ...
Details Favorite? Off-Topic? Warren Postma @ 14:34

Saturday, 30. January 2016

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A few minor "out of the box" tweaks for Delphi 10 Seattle

Cape Cod Gunny Does Delphi – I recently upgraded to Delphi 10 Seattle Update 1. The first thing I noticed when I fired up the IDE was the font size of the Object Inspector and Tool Palette looked oddly larger. Then I remembered I had tweaked these settings a while ago when I first installed Delphi 10 Seattle. Of course I ...
Details Favorite? Off-Topic? Michael Riley @ 15:24

Friday, 29. January 2016

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Editing Delphi Code on a Mac

Marco's Tech Blog – Over the last year, there has been an increasing push in the development of source code editors and even full development environments based on portable code and available on multiple platforms, including Mac OS X. Here are some notes about my experiments with Object Pascal enabled editors on the ...
Details Favorite? Off-Topic? marcocantu @ 10:49

Thursday, 28. January 2016

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Facebook Email: Important Parse Announcement - will be fully retired ending on January 28, 2017

Sip from the Firehose – I just received this email from Facebook/Parse. "Important Parse Announcement" - "We have a difficult announcement to make. Beginning today we're winding down the Parse service, and Parse will be fully retired after a year-long period ending on January 28, 2017. We're proud that we've been able to ...
Details Favorite? Off-Topic? david.intersimone@embarcadero.com @ 22:57
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Finding Delphi HotFixes on EDN

Delphi Code Monkey – A problem that some Delphi users may not even know they have is "how do I navigate the EDN website and find Delphi fixes".Three problems stand in your way:1. The EDN site doesn't always have things posted under the heading Delphi.  You should probably be looking for your hotfixes using the RAD ...
Details Favorite? Off-Topic? Warren Postma @ 15:53

Wednesday, 27. January 2016

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Delphi TouchID wrapper for iOS

Sip from the Firehose – Edrean Ernst (Tzaneen, South Africa), a Delphi developer, pointed me to a TouchID wrapper for Delphi. You can find the download on BitBucket at https://bitbucket.org/allesbeste/delphi-touchid-wrapper-for-delphi. On the page you'll find a README for the code that has example source code showing ...
Details Favorite? Off-Topic? david.intersimone@embarcadero.com @ 21:05
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InterBase Labs – Referential Integrity

Stephen Ball – InterBase Referential Integrity InterBase has a number of options for Referential Integrity that are powerful to use and simplify keeping data valid. This video covers (more reading from the InterBase DocWiki on the links here) Primary Key Unique Key Foreign Key Check Constraints Tip for adding ...
Details Favorite? Off-Topic? Stephen Ball @ 15:59
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