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How to Ping Specific Port Number in Linux and Windows

Linux

1. telnet
2. Netcat (nc)
3. Network Mapper (nmap)

telnet

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using System;
using System.Reflection;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Hosting;
using Serilog;
using Serilog.Events;
using Serilog.Exceptions;

/*
<PackageReference Include="Serilog.Enrichers.Environment" Version="2.2.0" />

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// ECharts Toolbox 設定範例
toolbox={
    show : true,                                 //是否显示工具栏组件
    orient:"horizontal",                        //工具栏 icon 的布局朝向'horizontal' 'vertical'
    itemSize:15,                                 //工具栏 icon 的大小
    itemGap:10,                                  //工具栏 icon 每项之间的间隔
    showTitle:true,                             //是否在鼠标 hover 的时候显示每个工具 icon 的标题
    feature : {
        mark : {                                 // '辅助线开关'
            show: true

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Reference: Changing git commit message after push

Changing history

If it is the most recent commit, you can simply do this:

git commit --amend

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// ==UserScript==
// @name            Greasemonkey Script Name
// @author          Your name
// @namespace       http://www.example.url/to/your-web-site/
// @description     Put a good description in here
// @license         Creative Commons Attribution License
// @version	        0.1
// @include         http://www.example.org/*

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import { Pipe, PipeTransform } from '@angular/core';

@Pipe({ name: 'autocomplete' })
export class AutocompletePipe implements PipeTransform {
  transform(value: string[], args: string[]): any {
    debugger;
    if (!value) return value;
    let ws = value.sort();
    let as = args[0].split('');
    as.push("PAUSE");

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<div class="uk-width-1@s">
    <ul class="uk-nav-default uk-nav-parent-icon" uk-nav="multiple: true">
        <li class="uk-nav-header">Category</li>
        <li class="uk-active"><a href="#">Active</a></li>
        <li class="uk-parent">
            <a href="#">Parent</a>
            <ul class="uk-nav-sub uk-nav-parent-icon" uk-nav="multiple: true">
                <li><a href="#">Sub item</a></li>
                <li class="uk-parent">
                    <a href="#">Sub item</a>

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<select (click)="onChange($event)">
    <!-- WORKING -->
    <!-- <option *ngFor="let item of items" (click)="select(item.id)">{{item.text}}</option> -->

    <!-- NOT WORKING -->
    <ng-template ngFor let-item [ngForOf]="items">
        <optgroup *ngIf="item.children" label="{{item.text}}">
            <option *ngFor="let child of item.children" [value]="child.id">{{child.text}}</option>
 

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UI Components

• ngui github docs
• PrimeNg github docs

Dropdown-multiselect-Checkbox

• Dropdown-Checkbox-multiselect

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var elementPos = array.map(function(x) {return x.id; }).indexOf(idYourAreLookingFor);
var objectFound = array[elementPos];


ES5 syntax: [{id:1},{id:2},{id:3},{id:4}].findIndex(function(obj){return obj.id == 3})

ES6 syntax: [{id:1},{id:2},{id:3},{id:4}].findIndex(obj => obj.id == 3)