發(fā)簡(jiǎn)信
IP屬地：北京
-
RN日常問(wèn)題匯總1.CFBundleIdentifier", Does Not ExistCommand failed: /usr/libexec/PlistB...
-
UIImagePickerController cancel button not showing
最近項(xiàng)目中出現(xiàn) UIImagePickerController的取消按鈕會(huì)莫名其妙的隱藏，操作步驟是拍照后取消，再選擇照片，這個(gè)時(shí)候選擇照片的導(dǎo)...
-
關(guān)于GCD的dispatch_semaphore_t
當(dāng)需要處理資源競(jìng)爭(zhēng)，可以借用GCD的信號(hào)機(jī)制 dispatch_semaphore_create(long value); 創(chuàng)建一個(gè)信號(hào)資源，參...