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一、简单操作

下载外部命令：ssc install outreg2 logout pwcorr_a

二、描述性统计

outreg2 using xxx.doc, replace sum(log) title(Decriptive statistics)
outreg2 using xxx.doc, replace sum(log) keep(**v** **v** **v**) title(Decriptive statistics)
outreg2 using xxx.doc, replace sum(log) keep(**v** **v** **v**) eqkeep(N mean min max) title(Decriptive statistics)
bysort x:outreg2 using xxx.doc, replace sum(log) title(Decriptive statistics)

ichengzi

import React from 'react';
import ReactDOM from 'react-dom';


class AppComponent extends React.Component {
  state = {
    numChildren: 0
  }
  
  render () {

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test.c

#include <unistd.h>
void main() {
  sleep(5);
}

1. gcc test.c -o test.out
2. strace ./test.out

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来源： 【我把老婆（冰冰）放到了Idea 里！这是一个正经视频，后面还讲了代码快速补全，live template 打日志。】 【精准空降到 05:46】 https://www.bilibili.com/video/BV1uR4y1p7Lh/?share_source=copy_web&vd_source=af63ea840971731c498a30c3de502821&t=346

loge
log.error($content$,$params$);
content 参数：
groovyScript("def params = _2.collect {'【'+it+' = {}】'}.join(', '); return '\"[[title='+_1+']] ' + _1 + '() called with exception => ' + (params.empty  ? '' : params) + '\"'", methodName(), methodParameters())
params参数：
groovyScript("def params = _1.collect {it}.join(', '); return   (params.empty  ? '' : params) + ',e' ",  methodParameters())

ichengzi

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace demo
{
    public class MimeType
    {
        public static string GetOrDefault(string fileExtension, string defaultMime)

ichengzi

public class RandomIdCardUtil
{
    [Test]
    public void generate()
    {
        for (int i = 0; i < 100; i++)
        {
            var cusId = RandomIDCardGenerator.GetRandomCard(14, 14);
            Console.WriteLine($"{cusId.Substring(0, 6)}" +
                              $"-{cusId.Substring(6, 4)}" +

ichengzi

public static class Base64Url
{
	public static string Encode(byte[] arg)
	{
		if (arg == null)
		{
			throw new ArgumentNullException("arg");
		}

		var s = Convert.ToBase64String(arg);

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// https://www.bilibili.com/video/BV1BL411K7Dy

const arr = [
    [1, 2, 2],
    [3, 4, 5, 5],
    [6, 7, 8, 9,
        [11, 12,
            [12, 12,
                [13]
            ]

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/* https://www.bilibili.com/video/BV1mA4y1Z7cy */
/* https://m.php.cn/article/473454.html  画三角形文章 */

details {
    position: relative;
    width: 300px;
    padding-left: 20px;
}

summary {

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// https://gist.github.com/ichengzi/fa90fede6c7ce91bbb083ea2e5466a38

const entry = {
    a: {
        b: {
            c: {
                dd: "abcdd"
            }
        },
        d: {