Archive

Monday, 12. December 2011

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Selecting Delphi's TListView Item When the Item's Checkbox is Checked

About Delphi Programming – in TListView Tips and Tricks :: When the Checkboxes property is True, ListView includes a check box next to the items in the list. To get the "checked" state for an item in the list view, read the Checked boolean property. You will notice that checking or unchecking the item in a list view will ...

Sunday, 11. December 2011

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WOW6432Node issues with CHM help and Outlook custom actions

Australian Delphi User Group Members – For those of you who are using Windows 7 64-bit and might be encountering issues with either opening HTMLHelp files or using Outlook 2007 custom actions: Problems opening CHM files from Delphi apps In the 32 bit version of Windows … Continue reading →
Details Favorite? Off-Topic? kimbracknell @ 22:23
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Lua4Delphi – Non-stop development…

OTAPI – Immediately after posting this, I shall be incommunicado for at least the next several days. I am going into seclusion to work around-the-clock on Lua4Delphi, and nothing but Lua4Delphi. The next time I post, Lua4Delphi will be ready for release (and the fundraiser will be officially over, so if you ...
Details Favorite? Off-Topic? Simon Stuart @ 22:17
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31 Days of RAD Studio XE Tutorials

Delphi Insider – Watch daily video tutorials on your favorite new RAD Studio XE2 features throughout the month of December.Visit each day for a new step-by-step video on topics including developing 64-bit Windows applications, LiveBindings, mobile application development for iOS and Android, Windows and Mac ...

Saturday, 10. December 2011

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LaKraven Studios Standard Library [LKSL] – Smart Types

OTAPI – The one thing that annoys me most when producing the numerous open source libraries and tools I’m developing is the constant replication of code, in an attempt to keep each project separate from the others. The number of times I’ve copied and pasted the same Classes and Methods surely by ...
Details Favorite? Off-Topic? Simon Stuart @ 22:10
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TADOStoredProc Parameter Returns wrong Value

TPersistent.com – The other day I was trying to make a stored procedure call using hcOPF and kept getting a ‘parameter object is improperly defined’ error.  It has to be the most frustrating ADO error I’ve ever encountered, and I’ve come across a few in my time.  What makes it so frustrating ...
Details Favorite? Off-Topic? Larry Hengen @ 00:17

Friday, 9. December 2011

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TKinect (v2) SVN update

OTAPI – For all those interested, there has been a substancial update to TKinect (v2) on the SVN today. Carl Kenner (www.glovepie.org) has very kindly gone through TKinect (v2) with a fine-toothed comb, has discovered the cause of the various issues we’ve encountered during development, and (best of ...
Details Favorite? Off-Topic? Simon Stuart @ 21:50
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Hierarchical database structures and Firebird PSQL

The Programming Works – The idea of storing a hierarchical data in a relational database is very simple, but effective work with such a data requires some knowledge of server-side programming using procedural SQL (PSQL). So the hierarchical data structures are a good chance to get acquainted with PSQL. For demonstration ...
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Summary of Special Offers and Events

Delphi Insider – We have a lot going on this month so I thought I'd put together a quick list of what's happening for Delphi, C++Builder and RAD Studio users.Special Offers:Get FastCube, Rapid SQL and more free with new or upgrade purchases of Delphi, C++Builder or RAD Studio XE2 until December 30th2007 users ...
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Pascal Server Pages – Pascal Script

Yanniel's notes – Without getting too technical, I would define a Pascal Server Page (PSP) as a dynamic web page containing embedded Pascal Script (PS) code.  When a web request is made, the PS code needs to be executed (interpreted) in the server side and outputted into the proper format (HTML, XML, JSON, text, ...
Details Favorite? Off-Topic? Yanniel @ 12:20
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Understanding Unicode Support in Delphi (If You Are Still On Delphi <= 7)

About Delphi Programming – in Coding Delphi Applications :: If you are preparing to move / migrate your "old" Delphi applications to any Delphi version later than Delphi 2009, you must have heard that a default Delphi string type is now (where "now" means in Delphi versions >= 2009) Unicode. What does this mean? Will you ...

Thursday, 8. December 2011

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Stockholm with FireMonkey Live - Upgrade Amnesty

Stephen Ball – Yesterday I was in Stockholm for another FireMonkey Live event. During the day we looked at some really practical pointers for getting FireMonkey into real world applications and linking to some Delphi, C++ Builder and also Java / C# backend services. A number of these sessions are now available as ...
Details Favorite? Off-Topic? Stephen Ball @ 18:46
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Why we need interfaces in Delphi.

The Programming Works – Objects are normally accessed by an object reference. Interface reference is a different method to access an object’s functionality. A simple question – why do we need interface references at all, why can’t we use object references everywhere? There are several reasons to use interface ...
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Semaphore throttle

The Programming Works – Suppose we have an algorithm that uses N parallel threads, and we have a system with M CPU cores, N > M. Running the algorithm on the system leads to performance loss because the threads are contend for available CPU cores and cause time-consuming thread context switching. A better approach is to ...
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24 Hours of Delphi with David I - register now

Delphi Insider – Join us for 24 Hours of Delphi with David IYou’re invited to a special online event filled with technical information, tips and tricks to help you get the most out of Delphi.Whether you’re new to Delphi, looking to upgrade from a previous version, or using the latest XE2 version, you’ll be sure to ...
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