gliheng

package main

import (
	"os"
	"log"
	"net/http"
)

func main() {
	port := "8000"

gliheng

<link type="text/css" rel="stylesheet" media="only screen and (max-device-width: 480px)" href="http://example.com/iPhone.css" />
<link type="text/css" rel="stylesheet" media="only screen and (min-device-width: 768px) and (max-device-width: 1024px)" href="http://example.com/iPad.css" />


/* iPad [portrait + landscape] */
@media only screen and (min-device-width: 768px) and (max-device-width: 1024px) {
}

/* iPhone [portrait + landscape] */
@media only screen and (max-device-width: 480px) {

gliheng

'data:image/png;base64,' + btoa(String.fromCharCode.apply(null, new Uint8Array(blob)))
// open this base64 image url in browser

gliheng

thread_local!(static data: RefCell<HashMap<String, i32>> = RefCell::new(HashMap::new()));

fn main() {
    let x = || {
        data.with(|c| {
            c.borrow_mut().insert("a".to_string(), 1);
        });
    };

gliheng

use std::collections::HashMap;
use std::any::Any;

fn main() {
    let mut h: HashMap<&str, &Any> = HashMap::new();
    h.insert("width", &321_i32);
    h.insert("msg", &"hello");

    if let Some(v) = h.get("width") {
        match v.downcast_ref::<i32>() {

gliheng

import 'dart:math';
import 'package:flutter/material.dart';


class RadialSlider extends StatefulWidget {
  double radius;

  RadialSlider({
    this.radius,
  });

gliheng

import 'dart:math';
import 'package:flutter/material.dart';

class RadialLayoutDelegate extends MultiChildLayoutDelegate {
  int itemCount;
  double radius;
  RadialLayoutDelegate({this.itemCount = 0, this.radius});

  @override
  performLayout(Size size) {

gliheng

import 'package:flutter/material.dart';
import 'radial_logo.dart';

void main() => runApp(new MyApp());

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return new MaterialApp(

gliheng

import 'package:flutter/material.dart';
import 'radial_logo.dart';

void main() => runApp(new MyApp());

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return new MaterialApp(

gliheng

import 'package:flutter/material.dart';
import 'radial_logo.dart';

void main() => runApp(new MyApp());

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return new MaterialApp(