ticean

###############################################################################
### Reaction OSS v3.0.4
### This is an example configuration and is not modified from the original
### reaction-v3.0.4.mk
###############################################################################

# List of tools that must be installed.
# A simple check to determine the tool is available. No version check, etc.
define REQUIRED_SOFTWARE
docker \

ticean

• Weekly Agenda (created on a different day, and embedded with /Block Reference)
• [[Morning Questions]] [[2/24 -- 3/1/2020]]
  • {{[[slider]]}} How many hours of sleep did I get?
  • [[What's one thing top of mind today?]]
  • [[What's the one thing I need to get done today to make progress?]]
• Agenda
  • {{[[TODO]]}} 2 hours focused time
  • {{[[TODO]]}} Read 30 minutes #goal-learning #habit
• Health & self-care
• {{[[TODO]]}} 30 minutes outside #goal-health #habit

ticean

(defmacro map-fields-comparator
  "Comparator for sorting maps by field. `kw-orders` must be pairs of keywords
  on which to sort and a sort direction, either :asc or :desc.

  Example:

      (map-fields-comparator :id :asc :time :desc)
  
  The above is fine for key values that are inexpensive to compute from the values 
  being sorted. If the key values are expensive to compute, it is better to 

ticean

title Inventory Data Flow

participant Kafka Topic
participant Shippable-Inventory-Plugin
participant Simple-Inventory-Plugin
participant Inventory
participant MongoDB SimpleInventory 
participant MongoDB Products
participant MongoDB Orders

ticean

Kafka Topics

List existing topics

bin/kafka-topics.sh --zookeeper localhost:2181 --list

Describe a topic

bin/kafka-topics.sh --zookeeper localhost:2181 --describe --topic mytopic

Purge a topic

bin/kafka-topics.sh --zookeeper localhost:2181 --alter --topic mytopic --config retention.ms=1000

... wait a minute ...

ticean

(def ^:dynamic repl-context)
(defn tinyrepl
  "Simple REPL. :quit to exit."
  [{:keys [prefix layer] :or {prefix "" layer 1} :as context}]
  (let [pre (str prefix ">>>")]
    (with-bindings {#'repl-context (assoc context
                                          :prefix pre
                                          :layer (inc layer))}
      (print (str (ns-name *ns*) (str pre " ")))
      (flush)

ticean

Keybase proof

I hereby claim:

• I am ticean on github.
• I am ticean (https://keybase.io/ticean) on keybase.
• I have a public key whose fingerprint is 4027 3B22 CA85 EDBE A3C3 A3FD 678F F894 896B C705

To claim this, I am signing this object:

ticean

-- show running queries (pre 9.2)
SELECT procpid, age(query_start, clock_timestamp()), usename, current_query 
FROM pg_stat_activity 
WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%' 
ORDER BY query_start desc;

-- show running queries (9.2)
SELECT pid, age(query_start, clock_timestamp()), usename, query 
FROM pg_stat_activity 
WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%' 

ticean

Clojure Destructuring Tutorial and Cheat Sheet

(Related blog post)

Simply put, destructuring in Clojure is a way extract values from a datastructure and bind them to symbols, without having to explicitly traverse the datstructure. It allows for elegant and concise Clojure code.

Vectors

ticean

// Demo contextual log pattern with the logfmt-node library.

var logger = require('logfmt').namespace({app: "test"});

function task(id, throwError) {
  var taskLogger = logger.namespace({event: "task.run", "task.id": id});
  var taskTimer  = taskLogger.time();

  taskLogger.log({msg: "Starting the task.", at: "start"});
  setTimeout(function() {