Use Anchors in html

My personal gripe with some web sites is the lack of target anchors for hypertext links using the id or name attribute. They are very useful for providing a quick jump/scroll to relevant information, more so when you paste a link into an instant messenger for someone else.

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Quick and easy comparison for apps or anything

If you need a quick comparison of almost anything you can just type the name of it into Google and it with "vs".

This will make google fill the rest of the sentence which will be full of alternatives for the thing you're searching for.

 

I use it with linux commands like sed and awk and another side effect is that it quickly defines the thing you're searching for.

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How to avoid EXC_BAD_ACCESS when using pass by reference NSError objects

Sometimes people set the error instance to nil initially. It's better to test what you expected to receive over the error object itself. For example if you call a method to load an object with data from disk you'd test the object being set not the error object. You'd check the error object after you asserted the file data load failed.

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Useful .gitignore file for xcode explained

This is a useful .gitignore file I've found from the web and use in my projects. It makes my projects more portable.

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The 2011 App Store Pricing Matrix

This is the latest pricing matrix from the recent changes on the 14 Jul 2011. After spending too much time looking for it on the iTunes Connect site I decided to make it available.

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How to fix the Xcode 4 opening problem

Sometimes, usually when your in a hurry, Xcode will open improperly and show you only the Editor area. If you didn’t know this as the "Editor area" you may assume that Xcode has launched improperly. This post describes how to re-instate your full IDE window.

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How to quickly add Core Data to an app in Xcode 4

A quick tutorial for adding Core Data to your existing project when you forgot to click the Core Data check box at the start. This is a re-print of the self created tutorial I use each time. If you have any problems please drop me a mail.

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Linear algebra for game developers

Linear algebra for game developers

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Knowing when to read the manual

My usual fallback chain for solving a problem is Google, TDD and then RTFM. Sometimes it should just be to jump to step three.

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Thoughts on GHUnit test failures using method isMemberOfClass where isKindOfClass could work

If you’re following the Test Driven Development process (TDD) on iOS using GHUnit (and OCMock) you might have to test that an object is of the class you expected.

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