记录专用

github oc 今日热门
https://github.com/trending?l=objective-c

//创建缓存文件夹
+ (BOOL) createDirInCache:(NSString *)dirName
{
    NSString *dirPath = [self pathInCacheDirectory:dirName];
    BOOL isDir = NO;
    NSFileManager *fileManager = [NSFileManager defaultManager];
    BOOL existed = [fileManager fileExistsAtPath:dirPath isDirectory:&isDir];
    BOOL isCreated = NO;
    if ( !(isDir == YES && existed == YES) )
    {
        isCreated = [fileManager createDirectoryAtPath:dirPath withIntermediateDirectories:YES attributes:nil error:nil];
    }
    if (existed) {
        isCreated = YES;
    }
    return isCreated;
}

 

 

 

pod install 提速

pod install --no-repo-update --verbose

 iOS9网络适配加入字段

NSAppTransportSecurity

NSAllowsArbitraryLoads

 pch位置

$(SRCROOT)/test.pch

mrc编译

-fno-objc-arc

 左右滚动label

MarqueeLabel

 

 新界面指导，引导用户尽快知道新功能在哪里

https://github.com/ephread/Instructions

 

安卓资源收藏：http://dcloud.io/hellomui/

 

定义 动画时间时

static const NSTimeInterval showOrHideCountryView = 0.3;/**< 显示与隐藏区域选择view的动画时长 */