Dmitry kupec

## link
https://alexei-led.github.io/post/pumba_docker_netem/

## Fix_vertical_font_align.md

      
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                kupec
                / Fix_vertical_font_align.md
            
            
              Created
              April 16, 2019 12:04
            
              
                Different vertical align with font on Win, OSX, Linux
              
          
    run fontforge font.ttf
go to menu Element -> Font Info -> OS/2 -> Metrics
fix up Win Ascent / Win Descent
got to menu File -> Generate Fonts

  
## mysql_run_query.sh
#!/bin/bash

source ./read_cred.sh $1

FLAGS=
if [ -z "$HEADER" ]; then
	FLAGS+=" --disable-column-names"
fi

mysql -B $FLAGS -u $DB_USER "-p$DB_PASS" -h $DB_HOST -e "$2" $DB_NAME 2> >(read; cat 1>&2)

## Docker_env_for_build.md

      
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                kupec
                / Docker_env_for_build.md
            
            
              Created
              March 19, 2019 08:51
            
              
                Pass ENV variables to docker on build stage
              
          
    Source: https://stackoverflow.com/questions/29261811/use-docker-compose-env-variable-in-dockerbuild-file/41848041#41848041
Basically, to use variables at the container's build time one has to define the variable in docker-compose.yml:
build:
  context: .
  args:
    MYSQL_ROOT_PASSWORD: password
 ENV: test

  
## hexdump.sh
# source: http://mibix.de/how-to-create-a-32bit-word-based-hexdump-on-linux/
hexdump -v -e '"%08_ax: "' -e ' 4/4 "%08x " " |"' -e '16/1 "%_p" "|\n"'
	#!/bin/bash

	source ./read_cred.sh $1

	FLAGS=
	if [ -z "$HEADER" ]; then
	FLAGS+=" --disable-column-names"
	fi

	mysql -B $FLAGS -u $DB_USER "-p$DB_PASS" -h $DB_HOST -e "$2" $DB_NAME 2> >(read; cat 1>&2)
	# source: http://mibix.de/how-to-create-a-32bit-word-based-hexdump-on-linux/
	hexdump -v -e '"%08_ax: "' -e ' 4/4 "%08x " " \|"' -e '16/1 "%_p" "\|\n"'