juancarloscruzd

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juancarloscruzd

Project Title

One Paragraph of project description goes here

Getting Started

These instructions will get you a copy of the project up and running on your local machine for development and testing purposes. See deployment for notes on how to deploy the project on a live system.

Prerequisites

juancarloscruzd

package auth

import (
	"context"
	"net/http"
	"strings"

	"google.golang.org/grpc/metadata"

	"github.com/andela/micro-api-gateway/pb/authorization"

juancarloscruzd

# You have your csv data and it looks like so... It's in a file named "my_data.csv" and we want to import it into a table named "my_things".

"1", "Something", "0.50", "2013-05-05 10:00:00"
"2", "Another thing", "1.50", "2013-06-05 10:30:00"

# Now you want to import it, go to the command line and type:

$ PGPASSWORD=PWHERE psql -h HOSTHERE -U USERHERE DBNAMEHERE -c "\copy my_things FROM 'my_data.csv' WITH CSV;"

# Voila! It's impoted. Now if you want to wipe it out and import a fresh one, you would do this:

juancarloscruzd

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD

juancarloscruzd

/*
In the node.js intro tutorial (http://nodejs.org/), they show a basic tcp 
server, but for some reason omit a client connecting to it.  I added an 
example at the bottom.

Save the following server in example.js:
*/

var net = require('net');

juancarloscruzd

# Source: https://gist.github.com/0431989df4836eb82bdac0cc53c7f3d6

# Used in https://youtu.be/R6OeIgb7lUI

##############################
# Flux 2 With GitOps Toolkit #
##############################

# What Is GitOps And Why Do We Want It?: https://youtu.be/HKkhD6nokC8
# Argo CD: Applying GitOps Principles To Manage Production Environment In Kubernetes: https://youtu.be/vpWQeoaiRM4