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Josh Rosenstein
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‎.gitignore

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# Compiled Object files, Static and Dynamic libs (Shared Objects)
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*.o
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*.a
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*.so
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# Folders
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_obj
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_test
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# Architecture specific extensions/prefixes
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*.[568vq]
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[568vq].out
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*.cgo1.go
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*.cgo2.c
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_cgo_defun.c
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_cgo_gotypes.go
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_cgo_export.*
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_testmain.go
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*.exe
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*.test
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*.prof
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# WebStorm
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*.iml
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# Directory-based project format:
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.idea/
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.idea/workspace.xml
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**/.idea/workspace.xml
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# mac hidden files
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.DS_Store
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#other
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node_modules/
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bower_components/
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.tmp
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.sass-cache
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builds/**/images/*
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*.ogg
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*.mp3
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*.mp4
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#*.png
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#*.jpeg
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# security / ssl
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*.pem
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*.xxjson
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# Elastic Beanstalk Files
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.elasticbeanstalk/*
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!.elasticbeanstalk/*.cfg.yml
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!.elasticbeanstalk/*.global.yml
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# Other
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**/000_temp/56*
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**/000_temp/57*

‎000_temp/01_rand/main.go

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package main
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import (
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"fmt"
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"math/rand"
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"time"
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)
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func main() {
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rand.Seed(time.Now().Unix())
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x := rand.Intn(3)
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fmt.Println(x)
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}

‎000_temp/02_hello/main.go

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package main
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import (
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"fmt"
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)
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func main() {
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x := "Hello, class!"
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fmt.Println(x)
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}

‎000_temp/03_christmas/letter.phpasp

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{{range .}}
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*************************************
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Merry Christmas, {{.}} -
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I hope the holiday season finds you well.
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Blah blah blah.
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Happy New Year, too!
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The McLeods
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{{end}}

‎000_temp/03_christmas/main.go

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package main
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import (
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"fmt"
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"os"
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"text/template"
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)
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func main() {
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tpl, err := template.ParseFiles("letter.phpasp")
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if err != nil {
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fmt.Println("There was an error parsing file", err)
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}
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friends := []string{"Alex", "Conor", "Ken", "Ronnie", "Patick", "Nina", "Jeremy", "Gentry", "Christian"}
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err = tpl.Execute(os.Stdout, friends)
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if err != nil {
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fmt.Println("There was an error executing template", err)
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}
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}

‎000_temp/04_tcp-sample/main.go

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package main
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import (
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"bufio"
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"fmt"
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"net"
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)
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func main() {
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conn, err := net.Dial("tcp", "golang.org:80")
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if err != nil {
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// handle error
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}
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fmt.Fprintf(conn, "GET / HTTP/1.0\r\n\r\n")
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status, err := bufio.NewReader(conn).ReadString('\n')
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fmt.Println(status)
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}

‎000_temp/05_tcp-sample/main.go

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package main
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import (
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"io"
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"log"
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"net"
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)
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func main() {
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// Listen on TCP port 2000 on all interfaces.
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l, err := net.Listen("tcp", ":2000")
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if err != nil {
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log.Fatal(err)
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}
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defer l.Close()
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for {
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// Wait for a connection.
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conn, err := l.Accept()
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if err != nil {
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log.Fatal(err)
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}
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// Handle the connection in a new goroutine.
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// The loop then returns to accepting, so that
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// multiple connections may be served concurrently.
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go func(c net.Conn) {
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// Echo all incoming data.
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io.Copy(c, c)
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// Shut down the connection.
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c.Close()
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}(conn)
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}
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}

‎000_temp/06_html/index.html

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Title</title>
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<style>
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/*div + h1 {color: red;} !*SIBLING first following*!*/
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/*div ~ h2 {color: orange;} !*SIBLING all following*!*/
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/*div > h2 {color: deeppink;} !*CHILDREN first level*!*/
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/*div h2 {color: deeppink;} !*CHILDREN all levels*!*/
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</style>
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</head>
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<body>
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<h1>h1 before div</h1>
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<h2>h2 before div</h2>
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<div>
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<h2>before</h2>
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<main><h2>h2 in main</h2></main>
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<p>01</p>
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<p>02</p>
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<p>03</p>
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<h2>after</h2>
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<h2>after after</h2>
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<h2 id="test">after after after</h2>
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</div>
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<h1>h1 after div</h1>
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<h1>h1 after div</h1>
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<h2>h2 after div</h2>
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<h2>h2 after div</h2>
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<h2>h2 after div</h2>
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</body>
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</html>

‎000_temp/07_time/main.go

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package main
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import (
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"fmt"
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"time"
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)
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func main() {
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t1 := time.Now()
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//fmt.Println(t1)
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fmt.Println(t1.Format("03:04"))
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//fmt.Println(t1.Format("01 02 2006 03:04"))
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//fmt.Println(t1.Format("01 02 2006 15:04"))
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t2 := time.Now().Add(2 * time.Minute)
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fmt.Println(t2.Format("03:04"))
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fmt.Println(t1.Before(t2))
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}

‎000_temp/08_flexbox/index.html

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Title</title>
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<link rel="stylesheet" href="main.css">
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</head>
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<body>
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<div class="container">
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<p>001</p><p>002</p><p>003</p><p>004</p><p>005</p><p>006</p><p>007</p><p>008</p><p>009</p><p>010</p><p>011</p><p>
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012</p><p>013</p><p>014</p><p>015</p><p>016</p><p>017</p><p>018</p><p>019</p><p>020</p>
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</div>
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</body>
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</html>

‎000_temp/08_flexbox/main.css

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.container {
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display: flex;
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flex-flow: row wrap;
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}
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p {
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border: 2px solid hotpink;
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}

‎000_temp/09_child/index.html

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Title</title>
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<link rel="stylesheet" href="main.css">
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</head>
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<body>
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<ul>
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<li>01</li>
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<li>02</li>
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<li>03</li>
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<li>04</li>
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<li>05</li>
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<li>06</li>
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<li>07</li>
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<li>08</li>
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<li>09</li>
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<li>10</li>
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<li>11</li>
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<li>12</li>
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<li>13</li>
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<li>14</li>
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<li>15</li>
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<li>16</li>
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<li>17</li>
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<li>18</li>
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<li>19</li>
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<li>20</li>
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</ul>
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</body>
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</html>

‎000_temp/09_child/main.css

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li:first-child {
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color: red;
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}
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li:nth-child(2) {
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color: yellow;
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background-color: blue;
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}

‎000_temp/10_review-tcp/01/main.go

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package main
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import (
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"io"
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"log"
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"net"
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)
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func main() {
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li, err := net.Listen("tcp", ":8080")
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if err != nil {
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log.Fatalln(err)
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}
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defer li.Close()
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for {
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conn, err := li.Accept()
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if err != nil {
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log.Fatalln(err)
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}
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io.WriteString(conn, "DID IT WORK?")
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conn.Close()
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}
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}

‎000_temp/10_review-tcp/02/main.go

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package main
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import (
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"fmt"
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"io"
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"io/ioutil"
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"log"
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"net"
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)
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func main() {
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ln, err := net.Listen("tcp", ":8080")
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if err != nil {
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log.Fatalln(err)
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}
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defer ln.Close()
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for {
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c, err := ln.Accept()
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if err != nil {
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log.Fatalln(err)
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}
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bs, err := ioutil.ReadAll(c)
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if err != nil {
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log.Fatalln(err)
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}
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fmt.Println(string(bs))
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io.WriteString(c, "hello")
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c.Close()
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}
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}

‎000_temp/10_review-tcp/03/main.go

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package main
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import (
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"bufio"
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"fmt"
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"io"
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"log"
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"net"
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)
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func main() {
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ln, err := net.Listen("tcp", ":8080")
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if err != nil {
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log.Fatalln(err)
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}
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defer ln.Close()
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for {
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c, err := ln.Accept()
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if err != nil {
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log.Fatalln(err)
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}
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scanner := bufio.NewScanner(c)
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for scanner.Scan() {
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ln := scanner.Text()
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fmt.Println(ln)
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if ln == "" {
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break
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}
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}
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io.WriteString(c, "hello")
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c.Close()
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}
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}

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