计软杂谈hexo

Basic Elements of Markdown

Headings

H1

H2

H3

H4

H5
H6

Emphasis

Emphasis, aka italics, with asterisks or underscores.

Strong emphasis, aka bold, with asterisks or underscores.

Combined emphasis with asterisks and underscores.

Strikethrough uses two tildes. Scratch this.

Lists

Definition List (dl)

Definition List Title
This is a definition list division.

Ordered List (ol)

  1. List Item 1
  2. List Item 2
  3. List Item 3

Unordered List (ul)

  • List Item 1
  • List Item 2
  • List Item 3

Paragraphs

Lorem ipsum dolor sit amet, test link consectetur adipiscing elit. Strong text pellentesque ligula commodo viverra vehicula. Italic text at ullamcorper enim. Morbi a euismod nibh. Underline text non elit nisl. Deleted text tristique, sem id condimentum tempus, metus lectus venenatis mauris, sit amet semper lorem felis a eros. Fusce egestas nibh at sagittis auctor. Sed ultricies ac arcu quis molestie. Donec dapibus nunc in nibh egestas, vitae volutpat sem iaculis. Curabitur sem tellus, elementum nec quam id, fermentum laoreet mi. Ut mollis ullamcorper turpis, vitae facilisis velit ultricies sit amet. Etiam laoreet dui odio, id tempus justo tincidunt id. Phasellus scelerisque nunc sed nunc ultricies accumsan.

Interdum et malesuada fames ac ante ipsum primis in faucibus. Sed erat diam, blandit eget felis aliquam, rhoncus varius urna. Donec tellus sapien, sodales eget ante vitae, feugiat ullamcorper urna. Praesent auctor dui vitae dapibus eleifend. Proin viverra mollis neque, ut ullamcorper elit posuere eget.

This is a very long line that will still be quoted properly when it wraps. Oh boy let’s keep writing to make sure this is long enough to actually wrap for everyone. Oh, you can put Markdown into a blockquote.

Maecenas ornare arcu at mi suscipit, non molestie tortor ultrices. Aenean convallis, diam et congue ultricies, erat magna tincidunt orci, pulvinar posuere mi sapien ac magna. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Praesent vitae placerat mauris. Nullam laoreet ante posuere tortor blandit auctor. Sed id ligula volutpat leo consequat placerat. Mauris fermentum dolor sed augue malesuada sollicitudin. Vivamus ultrices nunc felis, quis viverra orci eleifend ut. Donec et quam id urna cursus posuere. Donec elementum scelerisque laoreet.

Tables

Table Header 1Table Header 2Table Header 3
Division 1Division 2Division 3
Division 1Division 2Division 3
Division 1Division 2Division 3
MarkdownLessPretty
Stillrendersnicely
123

Other Elements - abbr, acronym, sub, sup, kbd, etc.

Lorem superscript dolor subscript amet, consectetuer adipiscing elit. Nullam dignissim convallis est. Quisque aliquam. cite. Nunc iaculis suscipit dui. Nam sit amet sem. Aliquam libero nisi, imperdiet at, tincidunt nec, gravida vehicula, nisl. Praesent mattis, massa quis luctus fermentum, turpis mi volutpat justo, eu volutpat enim diam eget metus. Maecenas ornare tortor. Donec sed tellus eget sapien fringilla nonummy. NBA Mauris a ante. Suspendisse quam sem, consequat at, commodo vitae, feugiat in, nunc. Morbi imperdiet augue quis tellus. AVE. Use Crtl + C to stop.

Images

image

Horizontal Rule

Code Blocks

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Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book.
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#[derive(Debug)]
pub enum State {
    Start,
    Transient,
    Closed,
}

impl From<&'a str> for State {
    fn from(s: &'a str) -> Self {
        match s {
            "start" => State::Start,
            "closed" => State::Closed,
            _ => unreachable!(),
        }
    }
}
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[
  {
    "title": "apples",
    "count": [12000, 20000],
    "description": { "text": "...", "sensitive": false }
  },
  {
    "title": "oranges",
    "count": [17500, null],
    "description": { "text": "...", "sensitive": false }
  }
]
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@requires_authorization
def somefunc(param1='', param2=0):
    r'''A docstring'''
    if param1 > param2: # interesting
        print 'Gre\'ater'
    return (param2 - param1 + 1 + 0b10l) or None

class SomeClass:
    pass

>>> message = '''interpreter
... prompt'''
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<!DOCTYPE html>
<title>Title</title>

<style>
  body {
    width: 500px;
  }
</style>

<script type="application/javascript">
  function $init() {
    return true;
  }
</script>

<body>
  <p checked class="title" id="title">Title</p>
  <!-- here goes the rest of the page -->
</body>
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function $initHighlight(block, cls) {
  try {
    if (cls.search(/\bno\-highlight\b/) != -1)
      return process(block, true, 0x0F) +
             ` class="${cls}"`;
  } catch (e) {
    /* handle exception */
  }
  for (var i = 0 / 2; i < classes.length; i++) {
    if (checkCondition(classes[i]) === undefined)
      console.log('undefined');
  }

  return (
    <div>
      <web-component>{block}</web-component>
    </div>
  )
}

export $initHighlight;
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#include <iostream>

int main(int argc, char *argv[]) {

  /* An annoying "Hello World" example */
  for (auto i = 0; i < 0xFFFF; i++)
    cout << "Hello, World!" << endl;

  char c = '\n';
  unordered_map <string, vector<string> > m;
  m["key"] = "\\\\"; // this is an error

  return -2e3 + 12l;
}
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CREATE TABLE "topic" (
    "id" serial NOT NULL PRIMARY KEY,
    "forum_id" integer NOT NULL,
    "subject" varchar(255) NOT NULL
);
ALTER TABLE "topic"
ADD CONSTRAINT forum_id FOREIGN KEY ("forum_id")
REFERENCES "forum" ("id");

-- Initials
insert into "topic" ("forum_id", "subject")
values (2, 'D''artagnian');
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#import <UIKit/UIKit.h>
#import "Dependency.h"

@protocol WorldDataSource
@optional
- (NSString*)worldName;
@required
- (BOOL)allowsToLive;
@end

@property (nonatomic, readonly) NSString *title;
- (IBAction) show;
@end
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/**
 * @author John Smith <john.smith@example.com>
*/
package l2f.gameserver.model;

public abstract class L2Char extends L2Object {
  public static final Short ERROR = 0x0001;

  public void moveTo(int x, int y, int z) {
    _ai = null;
    log("Should not be called");
    if (1 > 5) { // wtf!?
      return;
    }
  }
}
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import Foundation

@objc class Person: Entity {
  var name: String!
  var age:  Int!

  init(name: String, age: Int) {
    /* /* ... */ */
  }

  // Return a descriptive string for this person
  func description(offset: Int = 0) -> String {
    return "\(name) is \(age + offset) years old"
  }
}
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@font-face {
  font-family: Chunkfive;
  src: url("Chunkfive.otf");
}

body,
.usertext {
  color: #f0f0f0;
  background: #600;
  font-family: Chunkfive, sans;
}

@import url(print.css);
@media print {
  a[href^="http"]::after {
    content: attr(href);
  }
}
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# The Greeter class
class Greeter
  def initialize(name)
    @name = name.capitalize
  end

  def salute
    puts "Hello #{@name}!"
  end
end

g = Greeter.new("world")
g.salute
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# Makefile

BUILDDIR      = _build
EXTRAS       ?= $(BUILDDIR)/extras

.PHONY: main clean

main:
	@echo "Building main facility..."
	build_main $(BUILDDIR)

clean:
	rm -rf $(BUILDDIR)/*
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package main

import "fmt"

func main() {
    ch := make(chan float64)
    ch <- 1.0e10    // magic number
    x, ok := <- ch
    defer fmt.Println(`exitting now\`)
    go println(len("hello world!"))
    return
}
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#!/bin/bash

###### CONFIG
ACCEPTED_HOSTS="/root/.hag_accepted.conf"
BE_VERBOSE=false

if [ "$UID" -ne 0 ]
then
  echo "Superuser rights required"
  exit 2
fi

genApacheConf(){
  echo -e "# Host ${HOME_DIR}$1/$2 :"
}
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; boilerplate
[package]
name = "some_name"
authors = ["Author"]
description = "This is \
a description"

[[lib]]
name = ${NAME}
default = True
auto = no
counter = 1_000

Tag Plugins

Blockquotes

Do not just seek happiness for yourself. Seek happiness for all. Through kindness. Through mercy.

David LevithanWide Awake

Every interaction is both precious and an opportunity to delight.

Code Blocks

With Title and URL

.compactUnderscore.js
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.compact([0, 1, false, 2, ‘’, 3]);
=> [1, 2, 3]

With Selected Lines

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const http = require('http');

const hostname = '127.0.0.1';
const port = 1337;

http.createServer((req, res) => {
  res.writeHead(200, { 'Content-Type': 'text/plain' });
  res.end('Hello World\n');
}).listen(port, hostname, () => {
  console.log(`Server running at http://${hostname}:${port}/`);
});

jsFiddle

Pull Quote

Lorem ipsum dolor sit amet, consectetur adipiscing elit.

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Maecenas tempus molestie arcu, et fringilla mauris placerat ac. Nullam luctus bibendum risus. Ut cursus sed ipsum feugiat egestas. Suspendisse elementum, velit eu consequat consequat, augue lorem dapibus libero, eget pulvinar dolor est sit amet nulla. Suspendisse a porta tortor, et posuere mi. Pellentesque ultricies, mi quis volutpat malesuada, erat felis vulputate nisl, ac congue ante tortor ut ante. Proin aliquam sem vel mauris tincidunt, eget scelerisque tortor euismod. Nulla tincidunt enim nec commodo dictum. Mauris id sapien et orci gravida luctus id ut dui. In vel vulputate odio. Duis vel turpis molestie, scelerisque enim eu, lobortis eros. Cras at ipsum gravida, sagittis ante vel, viverra tellus. Nunc mauris turpis, elementum ullamcorper nisl pretium, ultrices cursus justo. Mauris porttitor commodo eros, ac ornare orci interdum in. Cras fermentum cursus leo sed mattis. In dignissim lorem sem, sit amet elementum mauris venenatis ac.

Lorem ipsum dolor sit amet, consectetur adipiscing elit.

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed ligula justo, lobortis sit amet semper vel, dignissim sit amet libero. Praesent ac tempus ligula. Maecenas at gravida odio. Etiam tristique volutpat lacus eu faucibus. Donec non tempus arcu. Phasellus adipiscing, mauris nec mollis egestas, ipsum nunc auctor velit, et rhoncus lorem ipsum at ante. Praesent et sem in velit volutpat auctor. Duis vel mauris nulla. Maecenas mattis interdum ante, quis sagittis nibh cursus et. Nulla facilisi. Morbi convallis gravida tortor, ut fermentum enim gravida et. Nunc vel dictum nisl, non ultrices libero. Proin vestibulum felis eget orci consectetur lobortis. Vestibulum augue nulla, iaculis vitae augue vehicula, dignissim ultrices libero. Sed imperdiet urna et quam ultrices tincidunt nec ac magna. Etiam vel pharetra elit.

Math Formulas

f(n)=Θ(g(n))∧g(n)=Θ(h(n))→f(n)=Θ(h(n))f(n) = \Theta(g(n)) \land g(n) = \Theta(h(n)) \rightarrow f(n) = \Theta(h(n))

ω(g(n))={f(n): There exist positive constants c and n0 such that for all n≥n0, 0≤cg(n)<f(n)}\omega(g(n))=\{f(n):\text{ There exist positive constants }c\text{ and }n_0\text{ such that for all }n \geq n_0\text{, }0\leq cg(n) < f(n)\}

f(i)(n)={ni=1f(f(i−1)(n))i>1f^{(i)}(n) = \begin{cases} n \qquad & i = 1 \\ f(f^{(i-1)}(n)) \qquad & i>1 \end{cases}

A=[A11A12A21A22],B=[B11B12B21B22],C=[C11C12C21C22]A = \begin{bmatrix} A_{11} & A_{12} \\ A_{21} & A_{22} \end{bmatrix} , B = \begin{bmatrix} B_{11} & B_{12} \\ B_{21} & B_{22} \end{bmatrix} , C = \begin{bmatrix} C_{11} & C_{12} \\ C_{21} & C_{22} \end{bmatrix}

∑h=0⌊lgn⌋⌈n2h+1⌉O(h)=O(n∑h=0⌊lgn⌋h2h)=O(n∑h=0∞h2h)=O(n)\sum^{\lfloor lgn \rfloor}_{h=0} \lceil \frac{n}{2^{h+1}} \rceil O(h) = O(n \sum^{\lfloor lgn \rfloor}_{h=0} \frac{h}{2^h}) = O(n \sum^{\infty}_{h=0} \frac{h}{2^h}) =O(n)

min⁡w∑i=1N(piw)2,  s.t. ∥w∥2=1⇒min⁡w  wTPTPw,  s.t. wTw=1\begin{align} &\underset{\boldsymbol{w}}{\min}\sum_{i=1}^N{\left( \boldsymbol{p}_i\boldsymbol{w} \right) ^2 },\,\, s.t. \,\left\| \boldsymbol{w} \right\| _2=1 \notag \\ \Rightarrow &\underset{\boldsymbol{w}}{\min}\,\,\boldsymbol{w}^T\boldsymbol{P}^T\boldsymbol{Pw},\,\, s.t.\, \boldsymbol{w}^T\boldsymbol{w}=1 \end{align}

Flowcharts

  sequenceDiagram
  participant Client
  participant Proxy Object
  participant Proxy Handler
  participant Target Object
  Client->>Proxy Object: Call Method
  Proxy Object->>Proxy Handler: Forward to Proxy Handler
Invoke() Method
  Proxy Handler->>Target Object: Determine Method
Call Target Object's Method
  Target Object->>Proxy Handler: Return Result
  Proxy Handler->>Proxy Object: Return Result
  Proxy Object->>Client: Return Result
  graph LR
  c1[Client1
Socket]--Client Requests Connection-->ss[ServerSocket]
  c2[Client2
Socket]--Client Requests Connection-->ss[ServerSocket]
  ss--Server Accepts Request and Creates New Socket-->s1[Socket Created for Client1]
  ss--Server Accepts Request and Creates New Socket-->s2[Socket Created for Client2]
  c1--Dedicated Connection Between Sockets-->s1
  c2--Dedicated Connection Between Sockets-->s2

Card

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{% postLinkCard "en/hexo-theme-reimu效果展示" auto %}
hexo-theme-reimu Content Display
hexo-theme-reimu Content Display
hexo-theme-reimu Content Display
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{% externalLinkCard "Github" "https://github.com/D-Sketon/hexo-theme-reimu" "https://github.githubassets.com/assets/apple-touch-icon-144x144-b882e354c005.png" %}
Github
Github
https://github.com/D-Sketon/hexo-theme-reimu

Custom Containers

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::: info
This is an info box.
:::

INFO

This is an info box.

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::: tip
This is a tip.
:::

TIP

This is a tip.

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::: warning
This is a warning.
:::

WARNING

This is a warning.

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::: danger STOP
This is a dangerous warning.
:::

STOP

This is a dangerous warning.

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::: details
This is a details block.
:::
Details

This is a details block.