How to fix performance problems when using NSDateFormatter

Unfortunately the majority of web services return dates in the ISO-8601 format and not in time interval. So to parse the date we end up using NSDateFormatter which is extremely slow at doing that. But there is a way for you to improve date parsing performance, you can use the SQLite library to make the conversion. You may have to write a few more lines to get the same result, but the performance gain is totally worth it. Let's take

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iOS app versioning with git tag

Wouldn't it be great if your iOS or OS X projects just take their version and build number automatically from git? Well, it can! Using a script in your build phase, you can run a shell script to determine the version number and inject this into the Info.plist of a build. It will change your plist based on the last git tag that you have. If that is the current SHA it will show the version as 0.9

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