n00dl3

# Pass the env-vars to MYCOMMAND
eval $(egrep -v '^#' .env | xargs) MYCOMMAND
# … or ...
# Export the vars in .env into your shell:
export $(egrep -v '^#' .env | xargs)

n00dl3

:w !sudo tee %

# :w = Write a file.
# !sudo = Call shell sudo command.
# tee = The output of the vi/vim write command is redirected using tee.
# % = Triggers the use of the current filename.
# Simply put, the ‘tee’ command is run as sudo and follows the vi/vim command on the current filename given.

n00dl3

this.renderer.detachView(this.stepperSteps.map(el => el.elementRef.nativeElement));
this.renderer.attachViewAfter(this.elementRef.nativeElement, [this.stepperSteps.map(el => el.elementRef.nativeElement)[this.currentStepNumber]]);