SQL Developer help enter a substitution variable «Insert into CSE_DEPT.COURSE (COURSE_ID,COURSE,CREDIT,CLASSROOM,SCHEDULE,ENROLLMENT,FACULTY_ID) values (‘CSE-334′,’Elec. Measurement & Design’,3,’TC-212′,’T-H: 11:00-12:25 PM’,25,’H99118′);» In SQL , » &» is interpreted as the beginning of a substitution variable . 3 possible solutions : SET ESPACE ‘\’ , and use ‘\’ […]

node -v ### to verify correct installation npm -v

right click on shell icon > properties > «start in» this is the deafualt starting «start in» folder : «%HOMEDRIVE%%HOMEPATH%»

after instal vim , there is a problem to launch vim from command prompt we have to add a path to our user variables , first have to find folder where is our vim executable … go to «environment variables» edit «path» in user […]

to flush/clean DNS , have to know your DNS resolver service cat /etc/resolv.conf «systemd-resolve» and «systemd-resolved» ARE NOT THE SAME «systemd-resolve» is a command line tool for interacting with the «systemd-resolved» service and «systemd-resolved» is the actual DNS resolver service sudo systemd-resolve –flush-caches sudo […]

Es un dia como cualquier otro cualquier persona mkdir -p dir1/sub_1/z_1 find -mindepth 3 -type d -exec touch {}/file_{1..3}.txt \;