NSCondition , 多线程 同步 例子 运用于某个线程要等待若干个线程完成后再开始执行的情境， iphone的多线程开发是比较困难的地方-NSCondition, an example applied to a multi-thread synchronization thread to wait several months to complete before starting the implementation of the thread contexts, iphone m

学会使用geocodeAddressString，根据输入的查询地点关键字，查询地理编码信息-Learn to use geocodeAddressString, place the query input keywords to search geocoding information

在iOS设备为输入键盘NumPad的状态时，实现对数字键的自定义，在空白的地方加上确定键。- In iOS device as an input keyboard NumPad the state, to achieve self-definition of the number keys, plus a blank place the OK button.

你年年底对你的的代理地方的克利夫兰分开了付款了费德勒东方大道的方法对方(You end of the year for your agent place Cleveland separated payment for Roger east avenue of approach each other)