theothermattm

Node debugging with chrome

See this article first.

Use node --inspect

Most of the time it should give you a chrome URL. If not, go to about:inspect in chrome and you should see a target to inspect

Using mocha

theothermattm

How to set CA certs in node

(I always forget this!)

https://stackoverflow.com/questions/29283040/how-to-add-custom-certificate-authority-ca-to-nodejs

export NODE_EXTRA_CA_CERTS=[your CA certificate file path]

theothermattm

Some of the greatest info I've seen on creating a healthy engineering courtesy of Spotify:

Spotify Engineering Culture Part 1

TODO make notes on this one

Spotify Engineering Culture Part 2

• 0:50 - "We aim to make mistakes faster than anyone else" - Fail Fast and Improve Fast.
• 1:30 - "Fail Friendly Environment" - Encourage sharing of failures so everyone can learn from them. Some teams have "Fail walls" showing off their failures.

theothermattm

# original source based on: https://github.com/fabiohbarbosa/docker-healthcheck-oracle/blob/master/assets/healthcheck.sh

CHECK=$(${ORACLE_HOME}/bin/sqlplus -s ${HEALTHCHECK_USER}/${HEALTHCHECK_PASSWORD}@localhost/${HEALTHCHECK_SERVICE_NAME} as sysdba <<END
  --set pagesize 0 feedback off verify off heading off echo off;
  -- the simplest type of health check
  --select count(*) from dual;
  -- this will check if a 
  SELECT count(*) FROM V\$INSTANCE where INSTANCE_NAME = 'xe' and DATABASE_STATUS = 'ACTIVE';
  exit;
END

theothermattm

-- https://stackoverflow.com/questions/1690404/how-to-drop-all-user-tables

BEGIN
   FOR cur_rec IN (SELECT object_name, object_type
                     FROM user_objects
                    WHERE object_type IN
                             ('TABLE',
                              'VIEW',
                              'PACKAGE',
                              'PROCEDURE',

theothermattm

Tom Chi - Learning Through Prototyping

()[https://www.youtube.com/watch?v=kuqgrvUPc5g]

• Better to reason with experience/data than guesses
  • Find the quickest path to experience
  • Doing is the best kind of thinking.
• Smart people will always have good defenses of their guesses
• "Am I hearing a guess, or am I hearing direct experience?"
  • We want experience

theothermattm

rsync -azP --delete --filter=":- .gitignore" . targethost:/targetdirectory

theothermattm

# from https://github.com/nodejs/node/issues/3742#issuecomment-225939382

openssl x509 -inform der -in /Path/to/the.crt -out /Path/to/the/file.pem

theothermattm

Follow ups:

• stand up webpage test internally: https://sites.google.com/a/webpagetest.org/docs/private-instances
  • docker image?
  • convert AMI to an VMware image?
  • need windows machines for agents
• sign up for thewebahead.net podcast - @jensimmons
• responsive design podcast - ethan marcotte and karen mcgrane
• mailtoself.com
• hipmunk.com - for travel

theothermattm

# sync everything excluding things in .gitignore
# delete anything on target not in source
# include dotfiles and symlinks, also use compression
rsync -azP --delete --filter=":- .gitignore" . my-target-host:/my/target/directory