Markdown实用小技巧: 个个用着都很爽

简介: Markdown实用小技巧: 个个用着都很爽

1111.png

image.gif

字体强调

Markdown 预览
*倾斜* 倾斜
**粗体** 粗体

~~删除线~~

删除线的 ~ 符号一般位于键盘左上角位置。

删除线
> 引用
引用
字体,字号和颜色: <font face= 黑体 color=red size=3>红色z</font> 红色

背景色:

Markdown本身不支持背景色设置,需要采用内置html的方式实现:借助 table, tr, td 等表格标签的 bgcolor 属性来实现背景色的功能。

举例如下:

<table><tr><td bgcolor=gray>背景色是:gray</td></tr></table>

image.gif

示例结果:

背景色是: gray

代码

1.行内代码

行内代码可以使用反引号来标记(反引号一般位于键盘左上角,要用英文):

一句话 `行内代码` 一句话。

image.gif

预览:

一句话 行内代码 一句话。

2.多行代码

多行代码使用 3 个反引号来标记(反引号一般位于键盘左上角,要用英文) ,在第一个 ``` 后面可以跟语言类型,没有语言类型可以省略不写:

``` java
// 我是注释
int a = 5;
```

image.gif

预览:

// 我是注释
int a = 5;

image.gif

表格

扩展的 Markdown 支持手写表格,格式也非常简单,第二行分割线部分可以使用 : 来控制内容状态。

注意,Markdown 标准(原生)语法中没有表格支持,但现在多数平台已经支持了该语法,如 GitHub,CSDN,简书 等均支持,所以写在这里:

Markdown:

| 默认  |   靠右 |  居中  | 靠左   |
| ---- |  ---: | :--:  | :---  |
| 内容  |   内容 |  内容  | 内容   |
| 内容  |   内容 |  条目  | 内容   |

image.gif

预览:

默认 靠右 居中 靠左
内容 内容 内容 内容
内容 内容 条目 内容

使用LaTex 插入数学公式

排版方式

    • 行级元素(inline),行级元素使用$...$,两个$表示公式的首尾。
    • 块级元素(displayed),块级元素使用$$...$$。块级元素默认是居中显示的。

    常用西文符号

    \alpha, \beta, …, \omega代表α,β,…ω.

    \Gamma, \Delta, …, \Omega代表Γ,Δ,…,Ω.

    上标与下标

    使用 ^和 _ 表示上标和下标. 例如,x_i^2\log_2 x

    image.gif

    用{}来消除二义性——优先级问题。

    例如10^10和10^{10}区别,还有个例子,x_i^2x_{i^2}的区别。

    image.gif

    括号

    小括号和中括号直接使用,大括号由于用来分组,所以需要转义。\{1+2\}:{1+2}

    运算

      • 分数:\frac{}{}。例如,\frac{1+1}{2}+1
      • 求和:\sum_1^n
      • 积分:\int_1^n
      • 极限:lim_{x \to \infty:limx→∞
      • 矩阵:$$\begin{matrix}…\end{matrix}$$,使用&分隔同行元素,\\换行

      image.gif

      常用公式

      线性模型

      $$
        h(\theta) = \sum_{j=0} ^n \theta_j x_j
      $$

      image.gif

      image.gif

      均方误差

      $$
        J(\theta) = \frac{1}{2m}\sum_{i = 0} ^m(y^i - h_\theta (x^i))^2
      $$

      image.gif

      image.gif

      生成目录

      [toc]

      image.gif

      推荐工具

      typora

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        7. 无序列表:Ctrl+Shift+]
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        🇷🇺 :ru: 🇬🇧 :gb: 🇬🇧 :uk:
        🇩🇪 :de:

        Symbols

        1️⃣ :one: 2️⃣ :two: 3️⃣ :three:
        4️⃣ :four: 5️⃣ :five: 6️⃣ :six:
        7️⃣ :seven: 8️⃣ :eight: 9️⃣ :nine:
        🔟 :keycap_ten: 🔢 :1234: 0️⃣ :zero:
        #️⃣ :hash: 🔣 :symbols: ◀️ :arrow_backward:
        ⬇️ :arrow_down: ▶️ :arrow_forward: ⬅️ :arrow_left:
        🔠 :capital_abcd: 🔡 :abcd: 🔤 :abc:
        ↙️ :arrow_lower_left: ↘️ :arrow_lower_right: ➡️ :arrow_right:
        ⬆️ :arrow_up: ↖️ :arrow_upper_left: ↗️ :arrow_upper_right:
        :arrow_double_down: :arrow_double_up: 🔽 :arrow_down_small:
        ⤵️ :arrow_heading_down: ⤴️ :arrow_heading_up: ↩️:leftwards_arrow_with_hook:
        ↪️ :arrow_right_hook: ↔️ :left_right_arrow: ↕️ :arrow_up_down:
        🔼 :arrow_up_small: 🔃 :arrows_clockwise: 🔄 :arrows_counterclockwise:
        :rewind: :fast_forward: ℹ️ :information_source:
        🆗 :ok: 🔀 :twisted_rightwards_arrows: 🔁 :repeat:
        🔂 :repeat_one: 🆕 :new: 🔝 :top:
        🆙 :up: 🆒 :cool: 🆓 :free:
        🆖 :ng: 🎦 :cinema: 🈁 :koko:
        📶 :signal_strength: 🈹 :u5272: 🈴 :u5408:
        🈺 :u55b6: 🈯️ :u6307: 🈷️ :u6708:
        🈶 :u6709: 🈵 :u6e80: 🈚️ :u7121:
        🈸 :u7533: 🈳 :u7a7a: 🈲 :u7981:
        🈂️ :sa: 🚻 :restroom: 🚹 :mens:
        🚺 :womens: 🚼 :baby_symbol: 🚭 :no_smoking:
        🅿️ :parking: ♿️ :wheelchair: 🚇 :metro:
        🛄 :baggage_claim: 🉑 :accept: 🚾 :wc:
        🚰 :potable_water: 🚮 :put_litter_in_its_place: ㊙️ :secret:
        ㊗️ :congratulations: Ⓜ️ :m: 🛂 :passport_control:
        🛅 :left_luggage: 🛃 :customs: 🉐 :ideograph_advantage:
        🆑 :cl: 🆘 :sos: 🆔 :id:
        🚫 :no_entry_sign: 🔞 :underage: 📵 :no_mobile_phones:
        🚯 :do_not_litter: 🚱 :non-potable_water: 🚳 :no_bicycles:
        🚷 :no_pedestrians: 🚸 :children_crossing: ⛔️ :no_entry:
        ✳️ :eight_spoked_asterisk: ✴️ :eight_pointed_black_star: 💟 :heart_decoration:
        🆚 :vs: 📳 :vibration_mode: 📴 :mobile_phone_off:
        💹 :chart: 💱 :currency_exchange: ♈️ :aries:
        ♉️ :taurus: ♊️ :gemini: ♋️ :cancer:
        ♌️ :leo: ♍️ :virgo: ♎️ :libra:
        ♏️ :scorpius: ♐️ :sagittarius: ♑️ :capricorn:
        ♒️ :aquarius: ♓️ :pisces: :ophiuchus:
        🔯 :six_pointed_star: :negative_squared_cross_mark: 🅰️ :a:
        🅱️ :b: 🆎 :ab: 🅾️ :o2:
        💠:diamond_shape_with_a_dot_inside: ♻️ :recycle: 🔚 :end:
        🔛 :on: 🔜 :soon: 🕐 :clock1:
        🕜 :clock130: 🕙 :clock10: 🕥 :clock1030:
        🕚 :clock11: 🕦 :clock1130: 🕛 :clock12:
        🕧 :clock1230: 🕑 :clock2: 🕝 :clock230:
        🕒 :clock3: 🕞 :clock330: 🕓 :clock4:
        🕟 :clock430: 🕔 :clock5: 🕠 :clock530:
        🕕 :clock6: 🕡 :clock630: 🕖 :clock7:
        🕢 :clock730: 🕗 :clock8: 🕣 :clock830:
        🕘 :clock9: 🕤 :clock930: 💲 :heavy_dollar_sign:
        ©️ :copyright: ®️ :registered: ™️ :tm:
        :x: ❗️ :heavy_exclamation_mark: ‼️ :bangbang:
        ⁉️ :interrobang: ⭕️ :o: ✖️ :heavy_multiplication_x:
        :heavy_plus_sign: :heavy_minus_sign: :heavy_division_sign:
        💮 :white_flower: 💯 :100: ✔️ :heavy_check_mark:
        ☑️ :ballot_box_with_check: 🔘 :radio_button: 🔗 :link:
        :curly_loop: 〰️ :wavy_dash: 〽️ :part_alternation_mark:
        🔱 :trident: :black_square: :black_square: :white_square: :white_square:
        :white_check_mark: 🔲 :black_square_button: 🔳 :white_square_button:
        ⚫️ :black_circle: ⚪️ :white_circle: 🔴 :red_circle:
        🔵 :large_blue_circle: 🔷 :large_blue_diamond: 🔶 :large_orange_diamond:
        🔹 :small_blue_diamond: 🔸 :small_orange_diamond: 🔺 :small_red_triangle:
        🔻 :small_red_triangle_down:

        参考链接:

        https://math.meta.stackexchange.com/questions/5020/mathjax-basic-tutorial-and-quick-reference

        https://blog.todaycoder.cn/2018/11/18/Typora-Emoji/

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