cezarsa

https://github.com/go-errors/errors
https://github.com/palantir/stacktrace
https://github.com/ansel1/merry
https://github.com/go-errgo/errgo
https://github.com/amattn/deeperror
https://github.com/pkg/errors
https://github.com/hashicorp/errwrap

cezarsa

package main

import (
	"fmt"
	"gopkg.in/mgo.v2"
	"gopkg.in/mgo.v2/bson"
)

func withUpsert(c *mgo.Collection) {
	_, err := c.Upsert(bson.M{"_id": 1, "x": 2}, bson.M{"$set": bson.M{"x": 3}})

cezarsa

runtime: writebarrierptr *0xc820419698 = 0x20
fatal error: bad pointer in write barrier

runtime stack:
runtime.throw(0xd5c300, 0x1c)
	/home/vagrant/.gimme/versions/go1.6.2.linux.amd64/src/runtime/panic.go:547 +0x90
runtime.writebarrierptr.func1()
	/home/vagrant/.gimme/versions/go1.6.2.linux.amd64/src/runtime/mbarrier.go:140 +0xb3
runtime.systemstack(0xc820024000)
	/home/vagrant/.gimme/versions/go1.6.2.linux.amd64/src/runtime/asm_amd64.s:291 +0x79

cezarsa

Bubble color picker

I've been playing around with logic to create a color picker. Hope you all like it!

Forked from Lewi Hussey's Pen Bubble color picker.

A Pen by Cezar Sá Espinola on CodePen.

License.

cezarsa

Bubble color picker

I've been playing around with logic to create a color picker. Hope you all like it!

Forked from Lewi Hussey's Pen Bubble color picker.

A Pen by Cezar Sá Espinola on CodePen.

License.

cezarsa

package main

import (
	"fmt"
	"net/http"
	"os"
)

func rootHandler(w http.ResponseWriter, r *http.Request) {
	w.Write([]byte("hello world"))

cezarsa

Estará disponível para uso pelos participantes do Hack in PoA um ambiente do tsuru.

O tsuru é uma plataforma open source que tem como objetivo diminuir o tempo que um projeto entra em produção, similar a outras plataformas como o Heroku.

As instruções de uso do ambiente do tsuru do Hack in PoA estão disponíveis em http://hackinpoa.globo.com/projetos/tsuru

cezarsa

Counting objects: 15, done.
Compressing objects: 100% (13/13), done.
Writing objects: 100% (15/15), 1007.67 KiB | 0 bytes/s, done.
Total 15 (delta 0), reused 0 (delta 0)
remote: Cloning into '/home/application/current'...
remote: /
remote: Building...
remote: /var/lib/activator:
remote: activator  activator-launch-1.3.2.jar  activator.bat
remote: Getting com.typesafe.activator activator-launcher 1.3.2 ...

cezarsa

#!/bin/bash

TARGET=$(echo ${TSURU_TARGET} | sed "s|/$||g")
curl -sS -H"Authorization: bearer ${TSURU_TOKEN}" ${TARGET}$@

cezarsa

#!/bin/bash

id=$(docker run -d ubuntu:14.04 bash -c "mkdir -p /x && touch /x/a")
docker wait $id
sleep 1
docker commit $id myimg
docker run myimg ls -l /x --time-style=full-iso
id=$(docker run -d myimg bash -c "rm -rf /x && mkdir /x && touch /x/a")
docker wait $id
sleep 1