总会遇到几个项目,在做到一半的时候被要求改项目名,网上找了下相关的资料,大多数是xcode5以前的版本,所以解决好了在这里mark一下,给需要的人。 目标为:将项目名XCD4改成xcd5。 先上结果图:==》   1.在左侧的导航区域点击两次项目名,两次间隔时间稍微长些,项目名会变成可编辑状态。 ...

       时间 : 2015-05-12| 栏目 : iOS, 移动开发| 浏览 : 295 次| 暂无评论 标签: [阅读全文]


    1、集合:集合(NSSet)和数组(NSArray)有相似之处,都是存储不同的对象的地址;不过NSArray是有序的集合,NSSet是无序的集合。 集合是一种哈希表,运用散列算法,查找集合中的元素比数组速度更快,但是它没有顺序。 1 NSSet * set = [[NSSet alloc] initWithObjects:@"on...

         时间 : 2015-05-11| 栏目 : iOS, 移动开发| 浏览 : 316 次| 暂无评论 标签: [阅读全文]


      1、类目(Category)的基本概念 封装是面向对象的一个特征,oc也不例外,但是有的时候我们会碰到一种情况,比如我们封装了一个类,不想再动它了,但是我们又需要在那个类中增加一个方法,这时候我们就不必在那个类中做修改或者再定义一个它的子类,只需要添加一个类目(Category)即可。 (1) 在类目中定义的方法,会成为原始类...

           时间 : 2015-05-11| 栏目 : iOS, 移动开发| 浏览 : 235 次| 暂无评论 [阅读全文]


        介绍这两个宏之前先看一下C中传递函数的参数时的用法和原理: 1.在C中,当我们无法列出传递函数的所有实参的类型和数目时,可以用省略号指定参数表 void foo(...); void foo(parm_list,...); 这种方式和我们以前认识的不大一样,但我们要记住这是C中一种传参的形式,在后面我们就会用到它。 ...

             时间 : 2015-05-11| 栏目 : 未分类| 浏览 : 265 次| 暂无评论 标签:, [阅读全文]

          git 常用命令

          切换分支:git checkout name 撤销修改:git checkout -- file 删除文件:git rm file 查看状态:git status 添加记录:git add file 或 git add . 添加描述:git commit -m "miao shu nei rong" 同...

               时间 : 2015-05-10| 栏目 : 未分类| 浏览 : 272 次| 暂无评论 标签: [阅读全文]


            Xcode 项目中我们可以使用 ARC 和非 ARC 的混合模式。 如果你的项目使用的非 ARC 模式,则为 ARC 模式的代码文件加入 -fobjc-arc 标签。 如果你的项目使用的是 ARC 模式,则为非 ARC 模式的代码文件加入 -fno-objc-arc 标签。 添加标签的方法: 打开:你的target ...

                 时间 : 2015-05-08| 栏目 : iOS, 移动开发| 浏览 : 324 次| 暂无评论 [阅读全文]

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