ryanthegiantlion

Various variables are made available by postman runtime and can be references in the test script. Common ones are responseCode and responseBody and responseTime

• Parse response body var data = JSON.parse(responseBody);

• Test Format tests["Test Name"] = {condition} e.g tests["Has token"] = data.data.login != null;

• Response times tests["Response time is less than 500ms"] = responseTime < 500;

ryanthegiantlion

Resetting pg_stat_database and pg_stat_all_tables

To reset below states

select pg_stat_reset();

SELECT pg_stat_statements_reset()

ryanthegiantlion

{
  "waves": [
    {
      "_id": "5805bc78a64d73001b8fcdc6",
      "user": "5805b6a5a64d73001b8fcda6",
      "content": "Let's make some waves!",
      "track": "5805bc78a64d73001b8fcdc4",
      "date": "2016-10-18T06:08:35.000Z",
      "__v": 0,
      "geo": {

ryanthegiantlion

show dbs // list all indexes
use <db>
show collections
db.collection.find(<query>) // find given optional query
db.directmessages.remove({}) // delete all
> use mydb; 
> db.dropDatabase();
db.foo.update({}, {$set: {lastLookedAt: Date.now() / 1000}}, { multi: true } // update all 

ryanthegiantlion

mongo:

mongod

redis:

redis-server

rabbit:

rabbitmq-server

ES:

ryanthegiantlion

curl -v -H "Accept: application/json" -H "Content-type: application/json" -X POST -d '{"userName": "ryan", "platform":"android", "pushToken":"egO6G6CoxZE:APA91bFqN90Lb0n4TfNC02dXJ0vMT7uQ33WqFBG_FU5AC1dW_5PX1t9yFdA6gBxG_THDHdkkFdSZXq05PCABiIfAHUhu9ky-4vq8MOJdMUIZ1p4RvwiTVcAqnBGi3je19cO7TporEgjx"}'  http://localhost:8082/users/

ryanthegiantlion

// setup

1. if you want the worker to be in a separate project and separately deployed: heroku create <projectname>
2. if separate project created in step 1: heroku addons:attach <addonname>

// subscriber

var redis = require('redis');
var RedisChannels = require('./constants/redisChannels')

ryanthegiantlion

• Disk failures: http://static.googleusercontent.com/media/research.google.com/en//archive/disk_failures.pdf
• Databases architecture: http://db.cs.berkeley.edu/papers/fntdb07-architecture.pdf
• Dynamo DB http://www.allthingsdistributed.com/files/amazon-dynamo-sosp2007.pdf
• Google File System http://static.googleusercontent.com/media/research.google.com/en//archive/gfs-sosp2003.pdf
• Pub sub architecture http://people.mpi-inf.mpg.de/~vsetty/Setty_Phd_Thesis.pdf
• Pub usb spotify https://www.csc.kth.se/~gkreitz/spotifypubsub/spotifypubsub.pdf

ryanthegiantlion

import sys

T = int(sys.stdin.readline().strip())

xor_bits = (1 << 32) - 1

for i in xrange(T):
    N = int(sys.stdin.readline().strip())
    print N ^ xor_bits

ryanthegiantlion

## solution 1 using arrays

# import sys

# line = sys.stdin.readline().strip()
# linearr = []
# for c in line:
# 	linearr.append(c)

# # print linearr