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let window:UIWindow = keyWindow() let rect = window.convert(view.frame,f...
注意點(diǎn)，防止動(dòng)作完成后返回原始點(diǎn) animationGroup.fillMode = .forwards //要配合使用 forward...
1.打開終端号杠，執(zhí)行cd Desktop/闭树，cd進(jìn)入到我們剛才保存的p12文件的保存位置（桌面） 2.openssl pkcs12 -clcert...
//document文件夾路徑 #definePATH_AT_Document(name) [[NSSearchPathForDirectori...
//左滑右滑禁用 - (void)viewDidAppear:(BOOL)animated { [superviewDidAppear:an...
1.performSelector 2.NSTimer 3.NSThread線程的sleep 4.GCD 1.performSelector [...
一耸棒、NSLock 加鎖lock 解鎖unlock NSLock *lock = [[NSLock alloc]init]; dispatch...
信號(hào)量 dispatch_semaphore_t sem = dispatch_semaphore_create(0); dispatch_se...
方法（1） //左滑事件 - (nullable UISwipeActionsConfiguration *)tableView:(UITabl...