0.0.1 Destructuring

Changing property “size” to 3:

• haskell record type
  • someRecordType{ size = 3}
• js
  • {...props,"size":3}

0.0.2 Case sensititivity

• Haskell functions must be lowercase
• React components must be Uppercase

0.0.3 File naming

• Golang test files must end in “test”
  • “helloworld_test.go”
• Golang test functions must begin with “Test”
  • func TestHello( *testing.T){...}

0.0.4 React

• React <li key=.. > must have a “key” property

0.0.5 JS fetch

Try fetch request with no-cors If returns opaque response, it means cors is not allowed by the website

const res = fetch(https://bleh.com/examples/data/asset/data/tempdata.json,{mode: “no-cors”}).then((data)=>{console.log(data.body)})

If data.body is a readable stream, you first have to convert it to Know that .json() returns a promise so you have to pass it again

const res = fetch(https://bleh.com/examples/data/asset/data/tempdata.json,{mode: “no-cors”}).then((re)=>{return re.json()}).then(response => {console.log(response)})

1 Python arrays and references

a = [5]
b = a
b = [3]
print(a) #[3]

a = [5]
b = a
b = b + [3]
print(a) #[3]

a = [5]
b = a
b = b.append(3)
print(a) #[5,3]

Why is the last case different?