n1snt

Oh my zsh.

Install ZSH.

sudo apt install zsh-autosuggestions zsh-syntax-highlighting zsh

Install Oh my ZSH.

kppullin

Overview

The steps below bootstrap an instance of airflow, configured to use the kubernetes airflow executor, working within a minikube cluster.

This guide works with the airflow 1.10 release, however will likely break or have unnecessary extra steps in future releases (based on recent changes to the k8s related files in the airflow source).

Prerequisites

• Docker installed
• Minikube installed and started

joshbuchea

Semantic Commit Messages

See how a minor change to your commit message style can make you a better programmer.

Format: <type>(<scope>): <subject>

<scope> is optional

Example

gkhays

package org.gkh;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Enumeration;
import java.util.Scanner;

olih

Processing JSON using jq

jq is useful to slice, filter, map and transform structured json data.

Installing jq

On Mac OS

brew install jq

mikehwang

Profile JSON schema

Using jq is great for examining JSON objects. You can extend its functionality with custom methods. The following is useful to understand at a high level the structure of arbitrary JSONs which is useful when trying to understand new data sources.

Requires jq verison 1.5.

Profile an object

Add the following method to your ~/.jq:

staltz

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

rtgibbons

var app = require(process.cwd() + '/app');
var winston = require('winston');
var _ = require('lodash');

// Set up logger
var customColors = {
  trace: 'white',
  debug: 'green',
  info: 'green',
  warn: 'yellow',

rgreenjr

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

yosemitebandit

$ ssh-keygen -l -f /path/to/keys/id_rsa.pub
2048 aa:bb:cc:dd:ee:ff:00:11:22:33:44:55:66:77:88:99 id_rsa.pub (RSA)