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Monthly Archives: July 2009
Transactions
I’ve become a big fan of SQLite on the iPhone. One nice feature of SQLite is its transaction support; this lets you commit application state changes to disk in an “all-or-nothing” manner. To use transactions effectively, however, you may need … Continue reading
Posted in iPhone
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navigationController
Today, a quick note on an iPhone gotcha that recently bit me. The short version is that a UIViewControler’s navigationController property is cleared when that view controller is removed from its nav. controller, which can trip you up if you’re … Continue reading
Posted in iPhone
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Quickie – Two Useful Classes
UIActionSheets and UIAlertViews are two slightly obscure but very handy classes that can give your iPhone app a more polished appearance with very little effort. They’re worth the few minutes it takes to read up on them.
Posted in iPhone
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The Cat Post
I believe that, if you have a blog, not only are you allowed one post about cats, you are actually required to have (exactly) one post about cats. This is mine. I hope you enjoy it.
Posted in Jack Handy
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Quickie – Learn To Fly
Saw this game linked from Lore. Mildly addictive; it’s easy to win, but there’s a lot of replay value in trying to get your time down. I’m not sure what the lower limit is; I’ve done it in 15 days/rounds … Continue reading
Posted in Jack Handy
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Rules!
Rules are funny things. I’ve recently been looking closely at the rules governing boxing matches. Under those rules, there’s a special case carved out for low blows, which are treated more leniently than any other foul. This might be a … Continue reading
Posted in Jack Handy
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Pointers
If you work with C, or C++, or Objective-C (or C#, boo, hiss) you work with pointers. Today, I want to argue that the way everyone else declares and thinks about pointers is wrong, wrong, wrong!
Posted in iPhone
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Erin Pageviews
So, apparently there is some nude video of ESPN professional hottie Erin Andrews floating around on the Internet. She, her lawyers, ESPN, their lawyers, et al, are officially appalled. The thing is, they also seem to be doing everything they … Continue reading
Posted in Jack Handy
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Prosperity
The U.S. GDP is approximately 14 trillion dollars. U.S. net worth is approximately 60 trillion dollars. Were production to stop in the U.S., its accumulated wealth would only sustain its rate of consumption for 4 years. The point of this … Continue reading
Posted in Jack Handy
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Bagless
I once purchased a “bagless” vacuum cleaner, thinking that it would be convenient to not have to worry about keeping up a supply of vacuum cleaner bags. (To be fair: that part went according to plan.) What I did not … Continue reading
Posted in Jack Handy
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