Visit site Coding with the enemy
July 2008
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Subversion server options
Coding with the enemy
– I didn't cover subversion servers in my last post as I don't use one any more. However there have been some queries so here are a few ideas:Windows installersVisualSVN Serverofficial Svn 1-click setupOther OSVMWare appliancesSubversion and WebSVN on Ubuntu ServerSVN VMvmTrac Online hostingCvs ...
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Starting out with Delphi and subversion
Coding with the enemy
– I am always disturbed by the number of programmers I run into who don't use version control. A version control system (VCS) is one of the fundamental tools of a programmer, up there with the ide/compiler, bug tracking and backups.Subversion, together with the TortoiseSvn plugin for Explorer, is one ...
June 2008
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ti Object persistance framework updated
Coding with the enemy
– What's up?v2.50 of tiOPF is now available at http://tiopf.sourceforge.net/So what's tiOPF?tiOPF is a Object Persistence Framework. That is, it is a framework based around saving your objects to, and loading them from, databases and/or flat files. See the overview for more details.In a nutshell it ...
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" Connection is busy with results for another hstmt"
Coding with the enemy
– One of the problems with working on the same program for years, is that you always end up paying for your sins. In my case the sin in question is still using the bde and odbc."Connection is busy with results for another hstmt" is a common error when connecting to ODBC databases. It occurs because ...
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Coverflow update
Coding with the enemy
– TMS GUIMotionsTMS Software have released their 3d animation component, GUIMotions. It includes a number of animations including a coverflow effect. More info is available here.My GLScene exampleI have updated my coverflow example. I have included mirroring, multiple rows, vertical layout and a ...
May 2008
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Coverflow example using Delphi and GLScene
Coding with the enemy
– ProblemI am beginning work on Pics Print 4. One of the things I want to do with this release is make it significantly more slick. To that end, I thought "Coverflow". See here for an exampleThe trouble is that there is not that much in the way of delphi examples. I did find "Flying Cow", which is ...
April 2008
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Database versioning part 2
Coding with the enemy
– In part 1, I discussed database versioning with MS SQL Server. SQL Server has robust tools available that simplifies the process of differencing and creating upgrade scripts. DBISAM doesn't have these tools, but using datamodules and table components makes versioning close to painless.Situation ...
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Database versioning part 1
Coding with the enemy
– Versioning databases is one of those ongoing problems that has no one-size-fits-all solution. There are 2 solutions I have developed and used successfully. The general process I use each time is:Record the database version number in the databaseDefine the expected db version the applicationKeep a ...
March 2008
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VMWare tips
Coding with the enemy
– Wireless networkingBy default vmware networks are set up as bridged. However this doesn't work with Vista and wireless networks.The easy answer is to change the network setup to NAT. However if you are doing server development this may not be much use. In that case, you can try network bridging ...
February 2008
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TIOPF - New persistance layer walkthrough
Coding with the enemy
– TIOPFI use tiOPF for most new Delphi database applications.tiOPF is a Object Persistence Framework. That is, it is a framework based around saving your objects to, and loading them from, databases and/or flat files.See overview for more details on tiOPF.Persistence Layers (PL)TIOPF uses persistence ...
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Remote access to computers
Coding with the enemy
– I spent a fair amount of time using one computer to look at/control another across the internet. Over the past 5 years I have evaluated a number of products. The following are some of my favourites.Remote DesktopThis is the best option across a wan, giving good performance. However it is a pain ...
January 2008
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Garbage collection: Performance test
Coding with the enemy
– Following my initial GC post, I received feedback regarding my comment "A well written and tuned garbage collector can be faster than manual allocation.". These comments can be summarised as "show us the proof".I asked on the Boehm GC mailing list (if in doubt, ask for help). The conversation ...
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Garbage collection: Follow up
Coding with the enemy
– Given some of the feedback on my previous post, I thought a follow up would be in orderPerformanceOne of the most contentious points was my comment that "A well written and tuned garbage collector can be faster than manual allocation". I will cover this in a separate post as it needs more than a ...
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Garbage collection in Delphi Win 32: Why and how to do it
Coding with the enemy
– I got drawn into a newsgroup thread last month (Delphi and XCode) regarding Delphi and x code. I posted on the existence of a Garbage collector for Delphi (http://codecentral.codegear.com/Item/21646) and spent several days in ongoing discussion. Another recent thread is at Garbage Collection.This ...
