VojtechVitek

package main

import "fmt"

// fibonacci is a function that returns
// a function that returns an int.
func fibonacci() func() int {
    fib := 0
    return func() int {
        first, second := 0, 1

VojtechVitek

package main

import (
	"io"
	"os"
	"strings"
)

type rot13Reader struct {
	r io.Reader

VojtechVitek

# Run job in background, redirect its output to a non-blocking pipe,
# and leave the rc and stdout/stderr to be handled by attach_wait_jobs()
jobs_tmp_dirs=""
function run_job() {
    local dir=$(mktemp -d -t gearXXXXXX)
    jobs_tmp_dirs="$jobs_tmp_dirs $dir"
    mkfifo $dir/pipe
    mkfifo $dir/pipe_nonblock
    "$@" &>$dir/pipe_nonblock &
    echo $! >$dir/pid

VojtechVitek

package main

import (
	"log"
	"net/http"

	"github.com/pressly/chi"
)

func main() {

VojtechVitek

export new_user="your_user"
export dbname="your_db_name"

cat <<EOF | docker run -i --rm --link postgres:postgres postgres sh -c "psql -h \$POSTGRES_PORT_5432_TCP_ADDR -p \$POSTGRES_PORT_5432_TCP_PORT -U postgres -d $dbname" | grep ALTER | docker run -i --rm --link postgres:postgres postgres sh -c "psql -h \$POSTGRES_PORT_5432_TCP_ADDR -p \$POSTGRES_PORT_5432_TCP_PORT -U postgres -d $dbname"
SELECT 'ALTER TABLE '||schemaname||'.'||tablename||' OWNER TO $new_user;'
FROM pg_tables WHERE schemaname = 'public';
SELECT 'ALTER SEQUENCE '||relname||' OWNER TO $new_user;' FROM pg_class WHERE relkind = 'S';
EOF

VojtechVitek

package zlib

import (
	"bytes"
	"io"
	"testing"
)

type zlibTest struct {
	desc       string

VojtechVitek

git config --add remote.origin.fetch '+refs/pull/*/head:refs/remotes/origin/pr/*'

git fetch

git checkout -t origin/pr/12

# Based on https://gist.github.com/piscisaureus/3342247

VojtechVitek

$ eksctl create cluster -v 4 --name=dev3 --nodes-min=2 --nodes-max=10
2018-12-21T16:54:51Z [ℹ]  using region us-west-2
2018-12-21T16:54:52Z [▶]  role ARN for the current session is "arn:aws:iam::797098425712:user/vojtech"
2018-12-21T16:54:52Z [▶]  determining availability zones
2018-12-21T16:54:52Z [ℹ]  setting availability zones to [us-west-2c us-west-2a us-west-2b]
2018-12-21T16:54:52Z [▶]  VPC CIDR (192.168.0.0/16) was divided into 8 subnets [192.168.0.0/19 192.168.32.0/19 192.168.64.0/19 192.168.96.0/19 192.168.128.0/19 192.168.160.0/19 192.168.192.0/19 192.168.224.0/19]
2018-12-21T16:54:52Z [ℹ]  subnets for us-west-2c - public:192.168.0.0/19 private:192.168.96.0/19
2018-12-21T16:54:52Z [ℹ]  subnets for us-west-2a - public:192.168.32.0/19 private:192.168.128.0/19
2018-12-21T16:54:52Z [ℹ]  subnets for us-west-2b - public:192.168.64.0/19 private:192.168.160.0/19
2018-12-21T16:54:52Z [▶]  resolving AMI using StaticGPUResolver for region us-west-2, instanceType m5.large and imageFamily AmazonLinux2

VojtechVitek

{"AWSTemplateFormatVersion":"2010-09-09","Description":"EKS cluster (dedicated VPC: true, dedicated IAM: true) [created and managed by eksctl]","Resources":{"ControlPlane":{"Type":"AWS::EKS::Cluster","Properties":{"Name":"dev3","ResourcesVpcConfig":{"SecurityGroupIds":[{"Ref":"ControlPlaneSecurityGroup"}],"SubnetIds":[{"Ref":"SubnetPublicUSWEST2C"},{"Ref":"SubnetPublicUSWEST2A"},{"Ref":"SubnetPublicUSWEST2B"},{"Ref":"SubnetPrivateUSWEST2C"},{"Ref":"SubnetPrivateUSWEST2A"},{"Ref":"SubnetPrivateUSWEST2B"}]},"RoleArn":{"Fn::GetAtt":"ServiceRole.Arn"},"Version":"1.11"}},"ControlPlaneSecurityGroup":{"Type":"AWS::EC2::SecurityGroup","Properties":{"GroupDescription":"Communication between the control plane and worker node groups","Tags":[{"Key":"Name","Value":{"Fn::Sub":"${AWS::StackName}/ControlPlaneSecurityGroup"}}],"VpcId":{"Ref":"VPC"}}},"InternetGateway":{"Type":"AWS::EC2::InternetGateway","Properties":{"Tags":[{"Key":"Name","Value":{"Fn::Sub":"${AWS::StackName}/InternetGateway"}}]}},"NATGateway":{"Type":"AWS::

VojtechVitek

func CopyFile(src, dst string) (err error) {
        defer fmt.HandleErrorf(&err, "copy %s %s: %v", src, dst, err)
        
        r := try(os.Open(src))
        defer r.Close()

        w := try(os.Create(dst))
        defer func() {
                w.Close()
                if err != nil {