rwp0

perl -n -e 'print if $. == 15' file.txt

# where $_ is line's content

# -n creates: while (<>) { ... } around files, making Perl iterate over lines
# -e option's value goes into { ... }

# https://perldoc.perl.org/perlvar#$.

rwp0

Methods

1. The new method of the Net::DNS::Resolver class returning a Net::DNS::Resolver object

2. The query method of the Net::DNS::Resolver class returning a Net::DNS::Packet object

3. The answer method of Net::DNS::Packet class returning a list of Net::DNS::RR objects

4. The type method: of the Net::DNS::RR class returning a standard DNS record type string

nebriv

Dell Display Manager 2.0 Command Line

Decompiled DLL with ILSpy to identify various commands.

Most commands can be found in DDM2._0_UX.CmdBackground.cmdService_DoWork

Write commands can be prefixed with int:command to specify which monitor to send the command to.

.\DDM.exe /0:writebrightnesslevel 50

Ovid

UPDATE

This document now resides at https://github.com/Ovid/Cor/blob/master/pod/perlclasstut.pod

rwp0

(setq make-backup-files nil)

; https://stackoverflow.com/questions/151945/how-do-i-control-how-emacs-makes-backup-files

rwp0

# -*- shell -*-
# Show current configuration with:
# tmux show-option -g

# Mouse
set-option -g mouse "on" # Shift

# Aliases
set-option -g command-alias[0] "r='rename-window'"

shaoran

# Client configs, 16.04, 
script-security 2
up /etc/openvpn/update-resolv-conf
down /etc/openvpn/update-resolv-conf

# network manager, 16.04, install below package to enable import openvpn client configs
sudo apt install network-manager-openvpn-gnome


# Client configs, 18.04/18.10

lukegackle

Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Google]

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Google\Chrome]
"ForceEphemeralProfiles"=dword:00000001
"SavingBrowserHistoryDisabled"=dword:00000001
"SyncDisabled"=dword:00000001
"PasswordManagerEnabled"=dword:00000000
"SigninAllowed"=dword:00000000
"HideWebStoreIcon"=dword:00000001

sharunkumar

rem to disable private dns
adb shell settings put global private_dns_mode off

rem to enable private dns with hostname (example with dns.adguard.com)
adb shell settings put global private_dns_mode hostname
adb shell settings put global private_dns_specifier dns.adguard.com

Ovid

NAME

Cor — A minimal OO proposal for the Perl core

VERSION

This is version 0.10 of this document.

AUTHOR