jonleopard

TRC runtime error: invalid memory address or nil pointer dereference
goroutine 5 [running]:
runtime/debug.Stack()
        /usr/local/Cellar/go/1.19.5/libexec/src/runtime/debug/stack.go:24 +0x65
main.(*application).serverError(0xc000280720, {0x1523030, 0xc0000b42a0}, {0x15203a0?, 0xc00040f3e0?})
        /Users/jon/projects/golang-learning/letsgo/mailmon/cmd/web/helpers.go:48 +0x66
main.(*application).recoverPanic.func1.1()
        /Users/jon/projects/golang-learning/letsgo/mailmon/cmd/web/middleware.go:51 +0x157
panic({0x140b340, 0x178e830})
        /usr/local/Cellar/go/1.19.5/libexec/src/runtime/panic.go:884 +0x212

jonleopard

// ./src/utils/api-client.js

import {queryCache} from 'react-query'
import * as auth from 'auth-provider'
const apiURL = process.env.REACT_APP_API_URL

async function client(
  endpoint,
  {data, token, headers: customHeaders, ...customConfig} = {},
) {

jonleopard

#!/bin/sh
 
arcSummary="$(python /usr/local/www/freenasUI/tools/arc_summary.py)"
pools="$(zpool list -H -o name)"
 
echo ""
echo "[LIST]"
echo "[*]Put your data type(s) here..."
echo "[*]$(uptime)"
 

jonleopard

import { createGlobalStyle } from 'styled-components';

// from the console: Unknown property name
// .markdown h1 {
//    @apply text-4xl font-bold my-2: ;
// }
// 

const GlobalMarkdownStyles = createGlobalStyle`
  .markdown {

jonleopard

version: '3.8'

services:
  db:
    image: postgres
    environment:
        POSTGRES_DB: mydbname
        POSTGRES_USER: mydbuser
        POSTGRES_PASSWORD: mydbpwd
    ports:

jonleopard

version: '3.8'

services:
  db:
    image: postgres
    environment:
        POSTGRES_DB: mydbname
        POSTGRES_USER: mydbuser
        POSTGRES_PASSWORD: mydbpwd
    ports:

jonleopard

<script>
    export default {
        name: "login",
        data() {
            return {
                user: {
                    username: "",
                    password: ""
                },
                submitted: false

jonleopard

HTML/CSS

Online Material (free)

• https://internetingishard.com/
• http://www.dontfeartheinternet.com/
• https://www.khanacademy.org/computing/computer-programming/html-css
• https://www.smashingmagazine.com/2019/01/how-to-learn-css/

Books

• http://www.htmlandcssbook.com/

jonleopard

package main

import "fmt"

type Cat struct{}

func (c Cat) Speak() {
	fmt.Println("meow")
}

jonleopard

import React from "react";
import { Formik } from "formik";
import * as Yup from "yup";
import styled, { keyframes } from "styled-components";
import { Mutation, Query } from "react-apollo";
import { Button, Flex, Card, Box } from "rebass";
import gql from "graphql-tag";
import Link from "./Link";
import Text from "./Text";
import Error from "./ErrorMessage";