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awk 'NR==FNR{a[$0]=1;next}!a[$0]' B A | |
# or better memory usage: | |
awk 'NR==FNR{a[$0];next} !($0 in a)' B A | |
grep -Fvx -f B.txt A.txt |
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inside: | |
~/Library/Preferences/com.apple.LaunchServices/com.apple.launchservices.secure.plist |
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EXECFILE="$(readlink "$0" || echo "$0")" | |
EXECPATH="$( cd -- "$(dirname "$EXECFILE")" >/dev/null 2>&1 ; pwd -P )" | |
cd "$EXECPATH" |
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In /etc/ssh/sshd_config | |
IPQoS cs0 cs0 | |
In /etc/fstab | |
UUID=XXXX /media/pi/Data auto rw,user,auto 0 0 | |
``` | |
sudo setfacl -b /media/pi |
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#!/bin/sh | |
# Pump | |
sudo pmset -a disablesleep 1 | |
sudo pmset -a sleep 0 | |
caffeinate -di | |
#Sleep | |
kill `ps -ef | grep caffeinate | grep -v grep | awk '{print $3}'` | |
sudo pmset -a disablesleep 0 |
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def permutationRecursion(a: List[Int]) = { | |
import scala.collection.mutable | |
val results = mutable.ListBuffer[List[Int]]() | |
def p(curr: List[Int], remaining: List[Int]): Unit = { | |
if (remaining.isEmpty) { | |
results += curr | |
} | |
else { | |
for (i <- remaining) { |
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ffmpeg -i input.mp4 -vf mpdecimate,setpts=N/FRAME_RATE/TB out.mp4 |
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# Version 1. Unsafe C Style | |
$cp = [System.CodeDom.Compiler.CompilerParameters]::new() | |
$cp.CompilerOptions = '/unsafe' | |
$Display = Add-Type -TypeDefinition @' | |
using System; | |
using System.Runtime.InteropServices; | |
public unsafe class Display | |
{ | |
[DllImport("User32.dll")] | |
public static extern bool EnumDisplaySettings( |
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SortedMap.iterableFactory should be Seq instead of Iterable | |
Add implicits for IterableFactory objects | |
MapView.values is not lazy |
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Monoid | |
empty | |
concat | |
append | |
Functor | |
map: (a -> b) -> f a -> f b | |
Monad | |
unit |
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