r002’s gists

r002 / fetch-ctwc-match.js

Last active August 14, 2021 01:48

JSON REST API call that doesn't return CORS

	// Will work in Postman but not in jsfiddle or client-side/browser code!
	const url = 'https://ctwc-cloud.appspot.com/v1/match/ctwc_2014_r5-01'
	fetch(url).then((response) => {
	if (response.ok) {
	return response.json()
	} else {
	throw new Error('Something went wrong')
	}
	})
	.then((responseJson) => {

r002 / gcloud_deploy_cmds.sh

Last active July 5, 2021 21:33

gcloud deploy commands

	# PROD:
	$> gcloud app deploy app.yaml --project studydash
	$> gcloud functions deploy UpdateMemberMetrics --trigger-topic nightly_metrics_refresh --runtime go113 --env-vars-file ./cloudfunctions.yaml

	# QA:
	$> gcloud app deploy app.qa.yaml --project studydash-qa

r002 / dt_fmt_sandbox.go

Last active June 26, 2021 07:49

Formatting datetime strings in Go

	// https://play.golang.org/p/6RkCCDQQ67Q
	func main() {
	loc, _ := time.LoadLocation("America/New_York")
	t, _ := time.Parse(time.RFC3339, "2021-05-03T20:27:21Z")

	fmt.Println(t.In(loc)) // 2021-05-03 16:27:21 -0400 EDT
	fmt.Println(t.In(loc).Format(time.ANSIC)) // Mon May 3 16:27:21 2021
	fmt.Println(t.In(loc).Format("2006-01-02")) // 2021-05-03
	fmt.Println(t.In(loc).Format(time.RFC3339)) // 2021-05-03T16:27:21-04:00
	}

r002 / go_commands.sh

Created June 16, 2021 20:08

Common Go Commands

$> go test .\ghservices -run Integration -v -count=1

r002 / gotest_relroot_readfiles.go

Created June 11, 2021 18:40

Change to ./ root in Go tests to read files (eg. go test .\service\ -v -count=1)

	func init() {
	_, filename, _, _ := runtime.Caller(0)
	fmt.Println(">> Initializing testing:", filename)
	dir := path.Join(path.Dir(filename), "..")
	err := os.Chdir(dir)
	if err != nil {
	panic(err)
	}
	}

r002 / setenv.ps1

Created June 11, 2021 16:25

PowerShell Commands

r002 / array_example.go

Created June 8, 2021 17:26

Go Tutorial: Array example - Always passed by value

	func TestHello(t *testing.T) {
	fmt.Println(">> Array example - Always passed by value")
	testcase1 := [1]struct {
	arg string
	want string
	}{
	{"original arg val", "original want val"},
	}
	fmt.Println(">> testcase1.arg:", testcase1[0].arg)
	testcase2 := testcase1

r002 / slice_example.go

Created June 8, 2021 17:22

Go Tutorial: Slice example - Always passed by reference

	func TestHello(t *testing.T) {
	fmt.Println(">> Slice example - Always passed by reference")
	testcase1 := []struct {
	arg string
	want string
	}{
	{"original arg val", "original want val"},
	}
	fmt.Println(">> testcase1.arg:", testcase1[0].arg)
	testcase2 := testcase1

r002 / anonymous_struct.go

Last active June 8, 2021 17:15

Go Tutorial: Anonymous Structs

	func TestHello(t *testing.T) {
	testcase1 := &struct {
	arg string
	want string
	}{
	"original arg val",
	"original want val",
	}
	fmt.Println(">> testcase1.arg:", testcase1.arg)
	testcase2 := testcase1

r002 / pointers_test.go

Last active June 8, 2021 17:14

Go Tutorial: & - Pass by Reference

	// https://stackoverflow.com/questions/33242850/in-golang-what-is-the-difference-between-and
	type TestCase struct {
	arg string
	want string
	}
	func TestHello(t *testing.T) {
	testcase1 := &TestCase{
	arg: "original arg val",
	want: "original want val",
	}

Robert Lin r002