http://neukadye.com/blog Adam Jack's ponderings... Sun, 29 Aug 2010 05:05:42 +0000 http://backend.userland.com/rss092 en Not finding much to match this error message from Google, I am posting this: I had cause to generate a new version of a CoreData model (xcdatamodel -> xcdatamodeld) and although I was able to happy rely on the automatic model migration when on device, it repeatedly crashed on simulator. The ... http://neukadye.com/blog/2010/08/29/loading-coredata-model-fails-in-simulator/ This is an add-on to Dave's posting on ._ (dot underscore) files and CodeSign errors (see http://shortpath.blogspot.com/2009/07/codesign-error-and-fbconnect-library.html.) My problem was different, but started with repeated: "The binary you uploaded was invalid. The signature was invalid, or it was not signed with an Apple submission certificate." Note: I wasn't able to compress ... http://neukadye.com/blog/2009/10/26/codesign-problem-solution/ I am a Brit. I came to the USA a decent while ago, lured by the adventure of something new (okay and skiing/apres-ski in Killington, Vermont one year when the snow was good.) I'd gone from smallish country town boy to living in London, to traveling around Europe, working in Asia/Africa and living ... http://neukadye.com/blog/2009/03/27/why-i-love-boulder-co/ Here are a some of bugs/things I found after the application had been released to adhoc (beta) users. All good reasons to spend as much time in this phase as possible/neccessary: 1) I failed to 'retain' a property that happened to be the one locating the website. It seemed to work ... http://neukadye.com/blog/2009/03/03/bugs-i-found-during-betaadhoc-testing/ Yesterday I started a simple application and decides to utilize FMDB wrappers sqlite3. Why? sqlite3 function calls are low level C, and binding between Object-C types and these C function calls is a little cumbersome and ugly (converting to/from UTF8 string and such.) The more code, the more clutter/change for bugs & ... http://neukadye.com/blog/2009/02/26/fmdb-flying-meat-db-wrapper-for-sqlite3-for-iphone/ Since the web page I used to give out for this seems to have gone away, here is the information: A (unique) device identifier is required (by Apple) to allow adhoc (or beta) testing of applications; the developer builds the version of the application provisioned for a given set of identifiers. ... http://neukadye.com/blog/2009/02/24/providing-an-iphoneipod-touch-device-identifier-to-a-developer/ I attended iPhoneDevCampCO #3 on Saturday, and was pleased to see a bunch of new as well as old faces. Joe Pezillo (aka Metafy), Danny Newman, Kendall Gelner, and bunch of other good folk. Many folks were there to learn about iPhone Development, some to learn about iPhone Developer marketing (how ... http://neukadye.com/blog/2009/02/23/iphonedevcampco-3/ First a shout out to the blog posting I followed when I was performing this for the first time: Craig Hockenberry, Beta Testing on iPhone 2.0 http://furbo.org/2008/08/06/beta-testing-on-iphone-20/ Then some additions/re-emphasis: #1When Craig Hockenberry says: Now that you have setup the entitlements, you’ll want to create a new configuration for your beta builds. I found it ... http://neukadye.com/blog/2009/02/19/installing-adhoc-beta-iphone-applications-via-itunes-on-microsoft-windows/ I recently switched to a Mac platform (for pleasure) and started developing on it, and even more recently started iPhone application development. I'd never seen (or heard of) xcode, cocoa, and those things. I've found the experience at times trivially easy (e.g. download/run/launch a sample in seconds, then learn from ... http://neukadye.com/blog/2009/01/18/iphone-development-for-mac-development-newbies/ This evening I attended the TechStars first HackSpace. Thanks to the kind folks at TechStars for hosting, and Gnip for feeding. I saw a lot of computers and some studious activity, but wasn't sure how much coding was achieved. Some corners seemed heads down, but with roughly 50 people in the ... http://neukadye.com/blog/2009/01/16/hackspace-techstars-boulder/