E: Package ‘python3-pip’ has no installation candidate
E: Package ‘python3-pip’ has no installation candidate
오류
sudo apt-get install python3-pip
Reading package lists... C – free()
Linux – 파일 비우기 make file empty
Qt Creator – Install on Windows
Request has finished and HttpContext disposed. Object name: ‘HttpContext’.
Request has finished and HttpContext disposed. Object name: ‘HttpContext’.
초보적인 오류이다.
HttpContext 의 존재가 보장되는 … 더보기
Windows Batch Script : substring
Windows Batch Script : substring
SET "_test=123456789abcdef0"
::처음 5글자
SET "_result=%_test:~0,5%"
ECHO %_result% =12345
::7글자