开源项目月刊《HelloGitHub》第 60 期

event_init()
server = NetServer:new()server.on_accept = function(conn)end
server.on_close = function(conn)end
server.on_msg = function(conn, msgtype, pack)end
server:listen("127.0.0.1", 3001, false)
event_run()

package main
import (    "github.com/miekg/dns"    "net"    "os"    "log"    "fmt")
func main() {    config, _ := dns.ClientConfigFromFile("/etc/resolv.conf")    c := new(dns.Client)
    m := new(dns.Msg)    m.SetQuestion(dns.Fqdn(os.Args[1]), dns.TypeMX)    m.RecursionDesired = true
    r, _, err := c.Exchange(m, net.JoinHostPort(config.Servers[0], config.Port))    if r == nil {        log.Fatalf("*** error: %s\n", err.Error())    }
    if r.Rcode != dns.RcodeSuccess {            log.Fatalf(" *** invalid answer name %s after MX query for %s\n", os.Args[1], os.Args[1])    }    // Stuff must be in the answer section    for _, a := range r.Answer {            fmt.Printf("%v\n", a)    }}

package main
import (	"fmt"
	"github.com/kr/pretty")
func main() {	type myType struct {		a, b int	}	var x = []myType{{1, 2}, {3, 4}, {5, 6}}	fmt.Printf("%# v", pretty.Formatter(x))}
Output:[]pretty_test.myType{    {a:1, b:2},    {a:3, b:4},    {a:5, b:6},}

import Chat, { Bubble, useMessages } from '@chatui/core';import '@chatui/core/dist/index.css';
const App = () => {  const { messages, appendMsg, setTyping } = useMessages([]);
  function handleSend(type, val) {    if (type === 'text' && val.trim()) {      appendMsg({        type: 'text',        content: { text: val },        position: 'right',      });
      setTyping(true);
      setTimeout(() => {        appendMsg({          type: 'text',          content: { text: 'Bala bala' },        });      }, 1000);    }  }
  function renderMessageContent(msg) {    const { content } = msg;    return <Bubble content={content.text} ></Bubble>;  }
  return (    <Chat      navbar={{ title: '智能助理' }}      messages={messages}      renderMessageContent={renderMessageContent}      onSend={handleSend}    ></Chat>  );};

<?php//Import PHPMailer classes into the global namespace//These must be at the top of your script, not inside a functionuse PHPMailer\PHPMailer\PHPMailer;use PHPMailer\PHPMailer\SMTP;use PHPMailer\PHPMailer\Exception;
//Load Composer's autoloaderrequire 'vendor/autoload.php';
//Instantiation and passing `true` enables exceptions$mail = new PHPMailer(true);
try {    //Server settings    $mail->SMTPDebug = SMTP::DEBUG_SERVER;                      //Enable verbose debug output    $mail->isSMTP();                                            //Send using SMTP    $mail->Host       = 'smtp.example.com';                     //Set the SMTP server to send through    $mail->SMTPAuth   = true;                                   //Enable SMTP authentication    $mail->Username   = 'user@example.com';                     //SMTP username    $mail->Password   = 'secret';                               //SMTP password    $mail->SMTPSecure = PHPMailer::ENCRYPTION_STARTTLS;         //Enable TLS encryption; `PHPMailer::ENCRYPTION_SMTPS` encouraged    $mail->Port       = 587;                                    //TCP port to connect to, use 465 for `PHPMailer::ENCRYPTION_SMTPS` above
    //Recipients    $mail->setFrom('from@example.com', 'Mailer');    $mail->addAddress('joe@example.net', 'Joe User');     //Add a recipient    $mail->addAddress('ellen@example.com');               //Name is optional    $mail->addReplyTo('info@example.com', 'Information');    $mail->addCC('cc@example.com');    $mail->addBCC('bcc@example.com');
    //Attachments    $mail->addAttachment('/var/tmp/file.tar.gz');         //Add attachments    $mail->addAttachment('/tmp/image.jpg', 'new.jpg');    //Optional name
    //Content    $mail->isHTML(true);                                  //Set email format to HTML    $mail->Subject = 'Here is the subject';    $mail->Body    = 'This is the HTML message body <b>in bold!</b>';    $mail->AltBody = 'This is the body in plain text for non-HTML mail clients';
    $mail->send();    echo 'Message has been sent';} catch (Exception $e) {    echo "Message could not be sent. Mailer Error: {$mail->ErrorInfo}";}

// reference the Dompdf namespaceuse Dompdf\Dompdf;
// instantiate and use the dompdf class$dompdf = new Dompdf();$dompdf->loadHtml('hello world');
// (Optional) Setup the paper size and orientation$dompdf->setPaper('A4', 'landscape');
// Render the HTML as PDF$dompdf->render();
// Output the generated PDF to Browser$dompdf->stream();

// 设置 16 进制颜色let white = UIColor(hex: "#ffffff")let black = UIColor(hex: "#000000")
// 设置 alphalet colorWithAlpha = myColor.alpha(0.75)
// 设置渐变let gradient = [UIColor.blackColor(), UIColor.orangeColor()].gradient()
let secondGradient = [UIColor.blackColor(), UIColor.orangeColor()].gradient { gradient in  gradient.locations = [0.25, 1.0]  return gradient}

# 拉镜像docker pull sickcodes/docker-osx:latest
# 运行docker run -it \    --device /dev/kvm \    -p 50922:10022 \    -v /tmp/.X11-unix:/tmp/.X11-unix \    -e "DISPLAY=${DISPLAY:-:0.0}" \    sickcodes/docker-osx:latest

from tinygrad.tensor import Tensorimport tinygrad.optim as optim
class TinyBobNet:  def __init__(self):    self.l1 = Tensor.uniform(784, 128)    self.l2 = Tensor.uniform(128, 10)
  def forward(self, x):    return x.dot(self.l1).relu().dot(self.l2).logsoftmax()
model = TinyBobNet()optim = optim.SGD([model.l1, model.l2], lr=0.001)
# ... and complete like pytorch, with (x,y) data
out = model.forward(x)loss = out.mul(y).mean()optim.zero_grad()loss.backward()optim.step()