平時經常使用的小知識點 （不斷更新中）

添加代碼註釋的插件時需更改的UDID獲取方法 

defaults read /Applications/Xcode.app/Contents/Info DVTPlugInCompatibilityUUID

 

NSUrl中存在漢字的解決辦法是:

urlStr = [urlStr stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];

修改系統導航欄上的標題字體樣式

    self.navigationController.navigationBar.barTintColor = [UIColor colorWithRed:143.0/255.0 green:208.0/255.0 blue:106.0/255.0 alpha:1];
    self.navigationController.navigationBar.titleTextAttributes = @{NSForegroundColorAttributeName: [UIColor whiteColor],
                                                                    NSFontAttributeName : [UIFont boldSystemFontOfSize:20]};

 本地查找數組中的字符串並存儲到新的數組中

NSPredicate *predicate = [NSPredicate predicateWithFormat:@"SELF contains [c] %@", filterString];

    dataSourceArray = [NSMutableArray arrayWithArray:[dataArr filteredArrayUsingPredicate:predicate]];