NewGen

2019-03-15 XLSX File Open Document Based App . Create Document Based App. 2. Add 2 items on info.plist 3. Configuration “Document Type”Types : org.openxmlformats.spreadsheetml.sheet 4.Build and Run.-Test File Name is “js_test.xlsx” and enabled the file name. 5. When I did touch the file, called “didPickDocumentsAt” in DocumentBrowserViewController class. b. called “presentDocument” in DocumentBr..

2019-03-14 linux Serial Port Check and Coding -check device : cat /proc/tty/driver/serial Devices is detected like below pic.There are assigned physically. 5:~ : not real -check kernel driver : dmesg | grep tty -check port : setserial -a /dev/tty0setserial is not default program.install this and try again after install,check again.. -use stty command : stty -F /dev/ttyS3 -use stty commane and se..