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

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

-- 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

In Rails 3

NOTE: This post now lives (and kept up to date) on my blog: http://hakunin.com/rails3-load-paths

If you add a dir directly under app/

Do nothing. All files in this dir are eager loaded in production and lazy loaded in development by default.

If you add a dir under app/something/

ticean

#!/bin/bash

#
# This script will mount /Users in the boot2docker VM using NFS (instead of the
# default vboxsf). It's probably not a good idea to run it while there are
# Docker containers running in boot2docker.
#
# Usage: sudo ./boot2docker-use-nfs.sh
#

ticean

#!/bin/bash

usage()
{
cat << EOF
usage: $0 options

This script set ownership for all table, sequence and views for a given database

Credit: Based on http://stackoverflow.com/a/2686185/305019 by Alex Soto

ticean

(ns ingredient.core
  (:require [clojure.browser.repl]
            [om.core :as om :include-macros true]
            [sablono.core :as html :refer [html] :include-macros true]
            [cljs.core.async :refer [put! chan close! sliding-buffer]])
  (:require-macros [cljs.core.async.macros :refer [go]]))

(enable-console-print!)

(def app-state

ticean

;;; TODO - drag-enter and -exit events : Right now, a component doesn't receive events for other components
;;; If a component responds to drag-over, it won't "revert" state until the drag ends.

;; NOTE - compiles with om 0.1.7.  Needs updating to 0.2+

(ns omdnd.ux
  (:require-macros
           [cljs.core.async.macros :refer [go alt!]]
   )