{"id":4865,"date":"2014-03-30T16:10:28","date_gmt":"2014-03-30T16:10:28","guid":{"rendered":"https:\/\/unknownerror.org\/index.php\/2014\/03\/30\/problem-about-xcode3to4-collection-of-common-programming-errors\/"},"modified":"2014-03-30T16:10:28","modified_gmt":"2014-03-30T16:10:28","slug":"problem-about-xcode3to4-collection-of-common-programming-errors","status":"publish","type":"post","link":"https:\/\/unknownerror.org\/index.php\/2014\/03\/30\/problem-about-xcode3to4-collection-of-common-programming-errors\/","title":{"rendered":"problem about xcode3to4-Collection of common programming errors"},"content":{"rendered":"<ul>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/63c50004c4f6eaf3235b9ea836f4b6cf?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nsorin<br \/>\nxcode xcode4 repository xcode3.2 xcode3to4<br \/>\nI wonder whether I should start development of a new iOS project in Xcode 4 or 3.2 &#8211; on one hand, I know 3.2 (a little), there is lots of info about it out there, and it&#8217;s stable and proven. On the other hand, Xcode 4 brings some improvements as well. Are the newer previews of Xcode 4 ready for prime time, or are they still too buggy?I&#8217;m especially interested in issues with (and recommendations of) externally hosted repositories, as I was not very happy with how Xcode 3.2 played with the Subvers<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/63c50004c4f6eaf3235b9ea836f4b6cf?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nsorin<br \/>\nxcode ios ipad xcode3to4<br \/>\nI&#8217;ve read many time that we can install Xcode 4 and keep Xcode 3.BUT, i&#8217;ve also read that it was not possible with Xcode 4 GM.Anyone have done this with success?Update:Ok, I have installed-it. (different folder)But it always crash at start. (xcode encounter an internal logic error)Someone have an idea?<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/63c50004c4f6eaf3235b9ea836f4b6cf?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nsorin<br \/>\niphone xcode nib xcode3to4<br \/>\nI have a rather strange problem that I can&#8217;t quite get to the bottom of just yet, and I want to document it here because I haven&#8217;t seen this problem discussed anywhere else.I have a iPhone app that I was developing under Xcode3. This was working perfectly and I had done some ad-hoc distribution that also worked perfectly on devices.Then I upgraded to Xcode4 and the next time I did an ad-hoc distribution my app crashed on startup. Needless to say that it worked in the simulator and in devices hoo<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/3c9e5a046fd921ddafcaecb9d43f3f2a?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nedo42<br \/>\nobjective-c xcode4 xcode3to4<br \/>\nI have an existing App which works fine for others with Xcode 4.0. I have Xcode 4.02 and xcode crashes as soon as I open this app. At times, it just hangs up and I have to &#8216;Force Quit&#8217; Xcode. Other times, it gives me a &#8216;Internal logic error&#8217; window and shows the following error.**ASSERTION FAILURE** in \/SourceCache\/IDEFoundation\/IDEFoundation-287\/Framework\/Classes\/Model\/SourceControl\/IDESourceControlTree.m:2548 Details: (addedItem) should not be nil. Object: &lt;IDESourceControlWorkingTree: 0<\/li>\n<\/ul>\n<p>Web site is in building<\/p>\n","protected":false},"excerpt":{"rendered":"<p>sorin xcode xcode4 repository xcode3.2 xcode3to4 I wonder whether I should start development of a new iOS project in Xcode 4 or 3.2 &#8211; on one hand, I know 3.2 (a little), there is lots of info about it out there, and it&#8217;s stable and proven. On the other hand, Xcode 4 brings some improvements [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4865","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/4865","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/comments?post=4865"}],"version-history":[{"count":0,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/4865\/revisions"}],"wp:attachment":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/media?parent=4865"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/categories?post=4865"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/tags?post=4865"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}