jean-lopes

with x as (select r.oid
                , r.relname
                , a.attnum
                , a.attname
                , a.atttypid
                , a.attlen
                , a.attnotnull
             from pg_catalog.pg_class r
             join pg_catalog.pg_attribute a on a.attrelid = r.oid
            where r.relnamespace = 'my_schema'::regnamespace

jean-lopes

with recursive plates(weight, thickness, price) as (
    select 5::int, 35::int, 269.00::numeric(15,2)
    union
    select 10, 51, 369.90
    union
    select 15, 70, 554.00
    union
    select 20, 83, 739.80)
, plate_sets(weight, thickness, price, plate_set) as (
    select * from (

jean-lopes

package com.portoitapoa.boleto.vo;

import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.annotation.JsonTypeInfo;
import com.fasterxml.jackson.annotation.JsonTypeInfo.As;
import com.fasterxml.jackson.annotation.JsonTypeInfo.Id;
import com.fasterxml.jackson.annotation.JsonValue;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;

jean-lopes

{-# LANGUAGE DeriveDataTypeable #-}
{-# LANGUAGE OverloadedStrings  #-}
module Preprocessor
  ( Preprocessed(..)
  , preprocess )
where
import           Control.Monad        (void)
import           Data.Char
import           Data.Data            (Data)
import           Data.Text            (Text)

jean-lopes

SagaDefinition saga = SagaDefinitionImpl.builder()
    .name("", "")
    .initialize("", "")
    .startGroup(GroupType.SEQUENTIAL)
      .step("", "")
        .process(null)
          .successListener()
            .domain(null)
            .service(null)
            .event(null)

jean-lopes

Java 8 Method Signatures Cheatsheet

Function<T, R>

Uma função que recebe como argumento uma instancia de T e retorna uma instância de R.

Convencional:

<T, R> R foo(T a) {
    return null; //Retorno com tipo R
}

jean-lopes

#!/bin/bash
[[ ! -f rabbitmqadmin ]] && curl -s $BROKER_HOST:15672/cli/rabbitmqadmin > rabbitmqadmin
alias rabbit='python rabbitmqadmin --host=$BROKER_HOST --username=$BROKER_USER --password=$BROKER_PASS'
rabbit list queues | tail -n +3 | sort -r | tail -n +3 | cut -d '|' -f 2 | cut -d ' ' -f 2 | sort |
while read -r QUEUE; do
    echo "Purging $QUEUE"
    rabbit -q purge queue name=$QUEUE
done

jean-lopes

#!/bin/bash
COUNT=$(wget -qO- reddit.com/r/haskell | cat | grep -Eo '<span class="subscribers"><span class="number">[0-9,]+</span>' | grep -Eo "[0-9,]+" | sed s/,// | head -1)
NOW=$(date +%F)
echo "$NOW $COUNT" > haskellers.txt

jean-lopes

module Calculator
where
import           Control.Monad (void)
import           Text.Megaparsec
import           Text.Megaparsec.String (Parser)
import qualified Text.Megaparsec.Lexer as Lexer

data Expr
    = Value Int
    | Nested Expr

jean-lopes

    11:32:31.172: CPU Name: Intel(R) Core(TM) i7-4770K CPU @ 3.50GHz
    11:32:31.172: CPU Speed: 3492MHz
    11:32:31.173: Physical Cores: 4, Logical Cores: 8
    11:32:31.173: Physical Memory: 16271MB Total, 11442MB Free
    11:32:31.173: Windows Version: 10.0 Build 15063 (revision: 296; 64-bit)
    11:32:31.173: Running as administrator: false
    11:32:31.173: Aero is Enabled (Aero is always on for windows 8 and above)
    11:32:31.173: Portable mode: false
    11:32:31.180: OBS 19.0.3 (64bit, windows)
    11:32:31.180: ---------------------------------