Wibtown

Version 1.1 of Wib’s Simple Arbitrage Calculator is up

Wib — Tue, 22 Jun 2010 08:40:58 +0000

Up and ready for download from here. This version contains a custom keyboard to make entering the values a little easier and slight UI tweaks.

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New version of Wib’s Simple Arb Calculator

Wib — Sat, 12 Jun 2010 16:03:12 +0000

I’ve just uploaded a new version of Wib’s Simple Arbitrage Calculator to iTunes which includes a better keyboard as I wasn’t too happy with the original one. Hopefully the new version will be available to download within a fortnight.

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Wib’s Simple Arbitrage Calculator is live!

Wib — Fri, 11 Jun 2010 19:22:24 +0000

Click here to view it in the iTunes store or the tab at the top of the page to read more about it.

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Red Dead Redemption Limited Edition Soundtrack

Wib — Sat, 05 Jun 2010 14:27:15 +0000

For those of you like me who bought the limited edition of Red Dead Redemption and were wondering where the soundtrack is you have to download it from here. Just enter the coupon code that you used to get the other free items and they will email you a link for the soundtrack. I’ve had the game from launch and it’s only today that I noticed the instructions on how to get it at the bottom of the code coupon…

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First app submitted

Wib — Sat, 05 Jun 2010 07:36:54 +0000

Just sent off my first app for submission to the app store so fingers crossed. The app itself is an arb calculator and more info can be found here along with the iTunes link when/if available.

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Finally part 2

Wib — Thu, 03 Jun 2010 08:20:24 +0000

After around five or six hours of head scratching and Google searching I’ve finally managed to get my profit calculator working on the iPhone. The conversion was a bit of a pain as some of the commands that I used are not compatible with the iPhone so I had to figure out a different way of getting them to work but it feels good to have it done.

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Finally

Wib — Wed, 02 Jun 2010 07:55:42 +0000

After a couple of weeks of reading numerous programming manuals I finally managed to write a simple Cocoa app yesterday, well I say write but it was more modify the existing code in one of the books that I’ve been reading. Nevertheless I do feel like I’m getting somewhere now. The app itself is a simple profit calculator which takes your stake and odds and then works out how much profit you’ll receive should you win and is based on the simple calculate app found in Cocoa Programming for Mac OS X for Dummies.

The next challenge will be trying to get it to work on the iPhone.

For anybody who’s interested the source code is after the break and if you want to know how to configure the interface just ask but I think it should be easy enough to work out from the code and please note that this might not be the best way to write the app but it works and that’s all I’m concerned with at the moment.

Header file:

#import

@interface DTProfCalc : NSObject
{
IBOutlet id stakeField;
IBOutlet id oddsField;
IBOutlet id totalReturnField;
IBOutlet id profitField;
}

- (IBAction)calculateAnswer:(id)sender;

@end

Implementation file:

#import “DTProfCalc.h”

@implementation DTProfCalc

- (IBAction)calculateAnswer:(id)sender
{
float stake, odds, tReturns, profit;

stake = [stakeField floatValue];
odds = [oddsField floatValue];
tReturns = stake * odds;
profit = tReturns – stake;

[totalReturnField setFloatValue:tReturns];
[profitField setFloatValue:profit];

NSNumberFormatter *answerFormatter =
[[[NSNumberFormatter alloc] init] autorelease];

[answerFormatter setFormat:@"£#,##0.00;£0.00;(£#,##0.00"];
[[totalReturnField cell] setFormatter:answerFormatter];
[[profitField cell] setFormatter:answerFormatter];
}
@end

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Errors, errors and more errors

Wib — Wed, 26 May 2010 07:22:38 +0000

When writing a book on programming where accuracy is paramount is it too much to ask that it’s proof read before it’s published and maybe it should include all of the steps needed without missing some out here and there. Also it might help to keep the same names for items instead of changing them on the next page. On the other hand could this be deliberate to give me more experience debugging?

Learning how to program is hard enough as it is without having to correct the books errors as well as my own.

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One week on

Wib — Fri, 21 May 2010 07:00:44 +0000

OK it’s been a week since my Mac Mini arrived and barring a few little hiccups things are coming together nicely, in fact I’m pretty much at the point now where I wish that I had switched to a Mac sooner. My original intentions where just to use the Mac Mini for coding purposes but I’ve slowly been migrating everything over from my PC as I’m finding the Mac to be more fun to use.

That’s not to say that I’ll be getting rid of the PC anytime soon as it’s still my first choice for gaming and watching satellite TV but I am using it less and less now.

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#? But I don’t have a key for that

Wib — Wed, 19 May 2010 08:03:23 +0000

After reading Sams Teach Yourself iPhone Development in 24 Hours up to chapter six and not really feeling like any of the information was settling in I decided to try to find another book that suited me better. Cocoa Programming For Mac OS X For Dummies is the one that I eventually decided on and it arrived yesterday.

So far I’m finding it far easier to follow than the Sams book but it has brought another bit of Mac strangeness to my attention. The early lessons in the book teach you how to make a simple calculator which has problems displaying fractional values but luckily it then teaches you how to fix that and this is where the problem comes in. To fix it you need to be able to type # which is known to people in the UK as a hash symbol but I believe it’s also known as a pound symbol and number symbol in other areas of the world. Problem is when I press the # key on my UK Windows keyboard it brings up \. I thought that this may be a similar problem to the @ and ” symbols being transposed but unfortnately it’s not as simple as that as the \ key brings up § and so on.

Wanting to be able to get on with my learning as quickly as possible I oredered a Mac keyboard as I would be needing one in the future anyway and then set about trying to find a workaround for my Windows keyboard. Whilst trying to find the workaround I discovered that UK Mac keyboards don’t actually have a # key for some reason so you have to press alt 3 instead which also works on a Windows keyboard, so that’s another problem solved for now but the burning question is why don’t UK Mac keyboards have a # key?

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