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# Verify the virtualization support on your Linux OS
# (a non-empty output indicates supported virtualization):
grep -E --color 'vmx|svm' /proc/cpuinfo

# Verify the virtualization support on your macOS
# (VMX in the output indicates enabled virtualization)
sysctl -a | grep -E --color 'machdep.cpu.features|VMX'

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#!/usr/bin/env ruby

last_key, max_val = nil, -1000000
STDIN.each_line do |line|
  key, val = line.split("\t")
  if last_key && last_key != key
    puts "#{last_key}\t#{max_val}"
    last_key, max_val = key, val.to_i
  else
    last_key, max_val = key, [max_val, val.to_i].max

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Introduction

install line_profiler module

conda install line_profiler

load line_profiler into ipython on startup

cat<<EOF > ~/.ipython/profile_default/startup/001-load-line-profiler.ipy

%load_ext line_profiler

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{
    "latex-workshop.latex.autoBuild.run": "onFileChange",
    "latex-workshop.message.error.show": true,
    "latex-workshop.message.warning.show": true,
    "latex-workshop.latex.tools": [{
		"name": "xelatex",
		"command": "xelatex",
		"args": [
			"-synctex=1",
			"-shell-escape",

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{
    "go.formatTool": "goimports",
    "go.docsTool": "guru",
    "editor.largeFileOptimizations": false,
    "latex-workshop.latex.autoBuild.run": "never",
    "latex-workshop.message.error.show": false,
    "latex-workshop.message.warning.show": false,
    "latex-workshop.latex.tools": [{
		"name": "xelatex",
		"command": "xelatex",

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sudo systemctl stop NetworkManager
sudo mv /var/lib/NetworkManager/NetworkManager.state /var/lib/NetworkManager/NetworkManager.state.bak
sudo systemctl stop NetworkManager

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GUEST="slave-1"
vboxmanage list hdds \
    | sed -e '/./{H;$!d;}' -e 'x;/'"$GUEST"'/!d;' \
    | grep UUID | egrep -v Parent | awk '{print $2}' \
    | xargs -I{} vboxmanage closemedium disk {} --delete

# vboxmanage list hdds \
#     | sed -e '/./{H;$!d;}' -e 'x;/'"$GUEST"'/!d;' \
#     | grep UUID | egrep -v Parent | awk '{print $2}' \
#     | xargs -I{} echo vboxmanage closemedium disk {} --delete

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> Task :flyway:flywayMigrate FAILED
:flyway:flywayMigrate (Thread[Execution worker for ':',5,main]) completed. Took 9.075 secs.

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':flyway:flywayMigrate'.
> Error occurred while executing flywayMigrate
  Flyway Enterprise Edition or MySQL upgrade required: MySQL 5.6 is no longer supported by Flyway Community Edition, but still supported by Flyway Enterprise Edition.

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# sudo docker-compose down
# Stopping flyway_db_1 ... error
#
# ERROR: for flyway_db_1  cannot stop container: b507d5ca35c67a38164df406656c32484390353b51f43357d565b25aa7cfbfd1: Cannot kill container b507d5ca35c67a38164df406656c32484390353b51f43357d565b25aa7cfbfd1: unknown error after kill: runc did not terminate sucessfully: container_linux.go:388: signaling init process caused "permission denied"
# : unknown
# Removing network flyway_default
# ERROR: error while removing network: network flyway_default id 8bdd09b60e327fce1aad7bf887ec9a14a2aade50b03b1acee6f3befc1fc08b56 has active endpoints
#
# uname -a
# Linux omen4-hp 5.0.0-37-generic #40~18.04.1-Ubuntu SMP Thu Nov 14 12:06:39 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

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sudo dscl . append /Groups/_developer GroupMembership justin