Tài liệu tham khảo

ASCII Table

Tại sao không bao giờ nên sử dụng utf8 trong MySQL?

Wikipedia: List of XML and HTML character entity references

JavaScript String Escape / Unescape

LaTeX / Mathematics

Overleaf: Mathematical expressions

Wikipedia: MathML

MDN: MathML

W3C: Mathematical Markup Language (MathML) Version 3.0 2nd Edition

Load dữ liệu và các thư viện cần dùng

html_entitiesPathFile = "G:/R/Projects/ddRMarkdown/_datasets/html_entities.csv"
html_entities = read.csv(html_entitiesPathFile, encoding = "UTF-8")

escapePathFile = "G:/R/Projects/ddRMarkdown/_datasets/escape.csv"
escape = read.csv(escapePathFile, encoding = "UTF-8")

tex_mmlPathFile = "G:/R/Projects/ddRMarkdown/_datasets/tex_mml.csv"
tex_mml = read.csv(tex_mmlPathFile, encoding = "UTF-8")

library(kableExtra)

Các mã kí tự hay dùng trong trang web

# head(html_entities)
kable(html_entities[2:ncol(html_entities)]) %>%
  kable_styling(bootstrap_options = c("striped", "hover")) %>%
  scroll_box(width = "auto")

Name	Character	EntityName	HexDec
Quotation mark	"	quot	U+0022 (34)
Ampersand	&	amp	U+0026 (38)
Apostrophe	’	apos	U+0027 (39)
Less-than	<	lt	U+003C (60)
Greater-than	>	gt	U+003E (62)
Number sign	#	num	U+0023 (35)
Solidus	/	sol	U+002F (47)
Reverse solidus (backward solidus)	\	bsol	U+005C (92)
Semicolon	;	semi	U+003B (59)
Colon	:	colon	U+003A (58)
Full stop (period)	.	period	U+002E (46)

Các mã escape

# head(escape)
kable(escape[2:ncol(escape)]) %>%
  kable_styling(bootstrap_options = c("striped", "hover")) %>%
  scroll_box(width = "auto")

Name	Escape	HTMLExample	HTMLDescription
Horizontal Tab	\t
Vertical Tab	\v
Nul char	\0
Backspace	\b
Form feed	\f
Newline	\n
Carriage return	\r
Single quote	\’
Double quote	\"
Backslash	\\

Các mã đánh dấu Công thức toán học hay dùng

#head(tex_mml)
kable(tex_mml[tex_mml$Group == 1, 3:ncol(tex_mml)], row.names = F) %>%
  kable_styling(bootstrap_options = c("striped", "hover"), full_width = T) %>%
  scroll_box(width = "auto")

Name	LaTeX	MathML	HTMLExample	Output	HTMLDescription
Equation Inline	`$...$`, $...$	<math> hay <math xmlns=“http://www.w3.org/1998/Math/MathML” >	$xyz$	Công – $xyz$ – thức.	Hiển thị Công thức toán học trong đoạn văn.
Equation Display	`\[...\]`, `$$...$$`	<math xmlns=“http://www.w3.org/1998/Math/MathML” display=“block”>	`$$xyz$$`	Công – \[xyz\] – thức.	Hiển thị Công thức toán học thành một khối riêng biệt.

kable(tex_mml[tex_mml$Group == 2, 3:ncol(tex_mml)], row.names = F) %>%
  kable_styling(bootstrap_options = c("striped", "hover"), full_width = T) %>%
  scroll_box(width = "auto")

Name	LaTeX	MathML	HTMLExample	Output	HTMLDescription
Nomal Style	`\mathrm{…}`	<math mathvariant=“normal”>	$\mathrm{xyz}$	$\mathrm{xyz}$	Hiển thị Công thức toán học ở dạng bình thường (không in nghiêng).
Spacing	`\,` `\:` `\;` `\ (space)` `\quad` `\qquad`		$f(x)=x\ +3$	$f(x)=x\ +3$	Xem thêm: https://www.overleaf.com/learn/latex/Spacing_in_math_mode
Multilines	`\\`		`$f(x)=x\,+y\\` `f(x)=x\quad+y$`	$f(x)=x\,+y\\f(x)=x\quad+y$
Group multilines	`\begin{cases}` `…` `\end{cases}`		`$\begin{cases}` `x=a\\x-y=b` `\end{cases}$`	$\begin{cases}x=a\\x-y=b\end{cases}$
	`\left.\begin{split}` `…` `\end{split}\right`		`$\left.\begin{split}` `x=a\\x-y=b` `\end{split}\right\}$`	$\left.\begin{split}x=a\\x-y=b\end{split}\right\}$
Text markup	`\text`		`$x+y=z\quad` `\text{(Phương trình 1)}$`	$x+y=z\quad\text{(Phương trình 1)}$
Bold text	`\textbf`		$\textbf{x}+y$	$\textbf{x}+y$	Xem thêm mục `11.1. Formatted text` và `12. Formatting mathematics symbols`: https://en.wikibooks.org/wiki/LaTeX/Mathematics#Formatted_text
Color	`\color`		`${\color{red}x}` `\mathbin{\color{#00ff00}-}` `2$`	${\color{red}x}\mathbin{\color{#00ff00}-} 2$	Xem thêm mục `13. Color`: https://en.wikibooks.org/wiki/LaTeX/Mathematics#Color
Boxed Equations	`\boxed`		$\boxed{x+y=z}$	$\boxed{x+y=z}$

kable(tex_mml[tex_mml$Group == 3, 3:ncol(tex_mml)], row.names = F) %>%
  kable_styling(bootstrap_options = c("striped", "hover"), full_width = T) %>%
  scroll_box(width = "auto")

Name	LaTeX	MathML	HTMLExample	Output
Identifiers		<mi>
Greek letters	`\alpha` `\beta`		$\alpha$ $\beta$	$\alpha$ $\beta$
	`\delta` `\Delta`		$\delta$ $\Delta$	$\delta$ $\Delta$
	`\epsilon` `\varepsilon`		$\epsilon$ $\varepsilon$	$\epsilon$ $\varepsilon$
	`\eta` `\lambda`		$\eta$ $\lambda$	$\eta$ $\lambda$
	`\gamma` `\Gamma`		$\gamma$ $\Gamma$	$\gamma$ $\Gamma$
	`\pi` `\Pi`		$\pi$ $\Pi$	$\pi$ $\Pi$
	`\phi` `\varphi` `\Phi`		$\phi$ $\varphi$ $\Phi$	$\phi$ $\varphi$ $\Phi$
	`\sigma` `\Sigma`		$\sigma$ $\Sigma$	$\sigma$ $\Sigma$
	`\mu` `\theta` `\chi`		$\mu$ $\theta$ $\chi$	$\mu$ $\theta$ $\chi$
Numbers		<mn>

kable(tex_mml[tex_mml$Group == 4, 3:ncol(tex_mml)], row.names = F) %>%
  kable_styling(bootstrap_options = c("striped", "hover"), full_width = T) %>%
  scroll_box(width = "auto")

Name	LaTeX	MathML	HTMLExample	Output	HTMLDescription
Superscript	`^`	<msup>	`Z^k`	$Z^k$	Dấu mũ; lũy thừa.
Subscript	`_`	<msub>	`Z_n`	$Z_n$
Block, Group	`{...}`	<mrow>	$Z_{2.n}$ $Z^{2.k}$ $Z_{2_n}^{k^k}$	$Z_{2.n}$ $Z^{2.k}$ $Z_{2_n}^{k^k}$	`LaTeX` không phân biệt trước sau. `MathML` thì phân biệt và phải đặt trong `tag` <msubsup>.
			`$_{4}^{12}{C}` `^{5+}_{2}$`	$_{4}^{12}{C}^{5+}_{2}$	Thiết nghĩ, cách nhớ chung là dưới trước trên sau.
Brackets and Parentheses	`(...)` `[...]` `\{…\}` `\|...\|`, `\left(...\right)`		$(\frac{x}{y})$ $[X]$ $\{Y\}$ $\|Z\|$	$(\frac{x}{y})$ $[X]$ $\{Y\}$ $\|Z\|$
			`$\left(` `\frac{x}{y}` `\right)$`	$\left(\frac{x}{y}\right)$
Arrows	`\to` `\gets`		$\to$ $\gets$	$\to$ $\gets$
	`\Rightarrow` `\Leftarrow`		$\Rightarrow$ $\Leftarrow$	$\Rightarrow$ $\Leftarrow$
	`\Leftrightarrow` `\rightleftharpoons`		$\Leftrightarrow$ $\rightleftharpoons$	$\Leftrightarrow$ $\rightleftharpoons$
	`\uparrow` `\downarrow`		$\uparrow$ $\downarrow$	$\uparrow$ $\downarrow$
	`\overrightarrow` `\overleftarrow`		$\overrightarrow{Z}$ $\overleftarrow{Z}$	$\overrightarrow{Z}$ $\overleftarrow{Z}$
	`\xrightarrow` `\xleftarrow`		$\xrightarrow[T]{t^0}$ $\xleftarrow[T]{t^0}$	$\xrightarrow[T]{t^0}$ $\xleftarrow[T]{t^0}$
	`\widehat`		$\widehat{Z}$	$\widehat{Z}$

kable(tex_mml[tex_mml$Group == 5, 3:ncol(tex_mml)], row.names = F) %>%
  kable_styling(bootstrap_options = c("striped", "hover"), full_width = T) %>%
  scroll_box(width = "auto")

Name	LaTeX	MathML	HTMLExample	Output	HTMLDescription
Operators		<mo>
Addition	`+`	<mo>+</mo>
Subtraction	`-`	<mo>-</mo>
Multiplication	`\times`	<mo>×</mo>	$a \times b$	$a \times b$
Division	`\frac{n}{d}`	<mfrac>	$\frac{num}{den}$	$\frac{num}{den}$	`MathML`: <mfrac><mrow><mi>numerator</mi></mrow><mrow><mi>denominator</mi></mrow></mfrac>
Binary operators	`\pm` `\mp` `\otimes` `\oplus` `\cup` `\cap`		$\pm$ $\mp$ $\otimes$ $\oplus$ $\cup$ $\cap$	$\pm$ $\mp$ $\otimes$ $\oplus$ $\cup$ $\cap$
Relation operators	`\equiv` `\sim` `\simeq` `\neq` `\leq` `\geq`		$\equiv$ $\sim$ $\simeq$ $\neq$ $\leq$ $\geq$	$\equiv$ $\sim$ $\simeq$ $\neq$ $\leq$ $\geq$
Symbols	`\infty` `\dots` `\cdots` `\vdots`		$\infty$ $\dots$ $\cdots$ $\vdots$	$\infty$ $\dots$ $\cdots$ $\vdots$
Set symbols	`\exists` `\nexists` `\forall` `\subset` `\subseteq` `\supset` `\supseteq` `\in` `\notin`		$\exists$ $\nexists$ $\forall$ $\subset$ $\subseteq$ $\supset$ $\supseteq$ $\in$ $\notin$	$\exists$ $\nexists$ $\forall$ $\subset$ $\subseteq$ $\supset$ $\supseteq$ $\in$ $\notin$

kable(tex_mml[tex_mml$Group == 6, 3:ncol(tex_mml)], row.names = F) %>%
  kable_styling(bootstrap_options = c("striped", "hover"), full_width = T) %>%
  scroll_box(width = "auto")

Name	LaTeX	MathML	HTMLExample	Output	HTMLDescription
Square root	`\sqrt`	<msqrt>	$\sqrt Z$ $\sqrt{\frac{n}{d}}$	$\sqrt Z$ $\sqrt{\frac{n}{d}}$	Căn bậc 2.
nth root	`\sqrt[n]`	<mroot>	$\sqrt[3] Z$ $\sqrt[4]{\frac{n}{d}}$	$\sqrt[3] Z$ $\sqrt[4]{\frac{n}{d}}$	Căn bậc n.
Limits	`\lim\limits_{...}`	<munder>	`$\lim\limits` `_{x\to\infty}` `{f(x)}$`	$\lim\limits_{x\to\infty}{f(x)}$	`MathML`:<math><mrow><munder><mo>lim</mo><mrow><mi>x</mi><mo>→</mo><mi>∞</mi></mrow></munder><mrow><mi>f</mi><mo>(</mo><mi>x</mi><mo>)</mo></mrow></mrow></math>
Sums, Products	`\sum` `\prod`		$\sum$ $\prod$	$\sum$ $\prod$
			`$\displaystyle\sum` `_{n=1}^{\infty}` `2^{-n}$`	$\displaystyle\sum_{n=1}^{\infty}2^{-n}$
Integrals	`\int` `\oint`		$\int$ $\oint$	$\int$ $\oint$

kable(tex_mml[tex_mml$Group == 7, 3:ncol(tex_mml)], row.names = F) %>%
  kable_styling(bootstrap_options = c("striped", "hover"), full_width = T) %>%
  scroll_box(width = "auto")

Name	LaTeX	MathML	HTMLExample	Output	HTMLDescription
Matrix	`pmatrix` `bmatrix` `vmatrix`

$\begin{pmatrix}0 & 1 \\ 2 & 3\end{pmatrix}$ $\begin{pmatrix}0 & 1 \\ 2 & 3\end{pmatrix}$

kable(tex_mml[tex_mml$Group == 8, 3:ncol(tex_mml)], row.names = F) %>%
  kable_styling(bootstrap_options = c("striped", "hover"), full_width = T) %>%
  scroll_box(width = "auto")

Name	LaTeX	MathML	HTMLExample	Output	HTMLDescription
Chemistry formulae	`\ce`		`$\ce{SO4^2-` `+Ba^2+` `->BaSO4 v}$`	$\ce{SO4^2-+Ba^2+->BaSO4 v}$
			`$\ce{SO}_4^{2-}` `\ce{+Ba^2+` `->BaSO4 v}$`	$\ce{SO}_4^{2-}\ce{+Ba^2+->BaSO4 v}$	Kết hợp Công thức dạng Hóa học và dạng Toán học để biểu diễn đẹp hơn.

$\ce{SO4^2-+Ba^2+->BaSO4 v}$ $\ce{SO4^2-+Ba^2+->BaSO4 v}$

$\ce{SO}_4^{2-}\ce{+Ba^2+->BaSO4 v}$ $\ce{SO}_4^{2-}\ce{+Ba^2+->BaSO4 v}$

---
title: "Phụ lục 1: Các bảng mã thường dùng"
subtitle: "(<span style=\"text-decoration: underline\">**D**</span>esign <span style=\"text-decoration: underline\">**D**</span>ocuments with <span style=\"text-decoration: underline\">**RMarkdown**</span>)"
author: "Trát Quang Thụy"
date: "Ngày 20/2/2020"
output: 
  html_document: 
    code_download: yes
    code_folding: show
    css: Style.css
    df_print: default
    highlight: haddock
    keep_md: yes
    #mathjax: null
    #mathjax: "https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js"
    #mathjax: local
    #self_contained: false
    includes:
      in_header: _header_MathJax.html
---

```{r setup, include=FALSE}
knitr::opts_chunk$set(echo = TRUE)
options(knitr.table.format = 'html')
options(knitr.kable.NA = '')
```

<div class="logs">
<div class="logs-caption">Logs</div>
<div class="logs-content scroll">
**18.2.2020:**

- Thêm một số dạng Công thức Toán học.

- Thêm dạng Công thức Hóa học.

**3.2.2020:** Upload lên `RPubs`.

- RPubs: <a target="_parent" href="https://rpubs.com/BabyMouse/ddrEncodingTables">https://rpubs.com/BabyMouse/ddrEncodingTables</a>

**30.1.2020:** Khởi tạo trang và upload lên `GitHub`.

- GitHub: <a target="_parent" href="https://github.com/BabyMouse/ddRMarkdown">https://github.com/BabyMouse/ddRMarkdown</a>

</div></div>
</br>

# Tài liệu tham khảo
[ASCII Table](http://ascii-table.com/codepage.php?1252)

[Tại sao không bao giờ nên sử dụng utf8 trong MySQL?](https://topdev.vn/blog/tai-sao-khong-bao-gio-nen-su-dung-utf8-trong-mysql/)

[Wikipedia: List of XML and HTML character entity references](https://en.wikipedia.org/wiki/List_of_XML_and_HTML_character_entity_references)

[JavaScript String Escape / Unescape](https://www.freeformatter.com/javascript-escape.html)

[LaTeX / Mathematics](https://en.wikibooks.org/wiki/LaTeX/Mathematics)

[Overleaf: Mathematical expressions](https://www.overleaf.com/learn/latex/Mathematical_expressions)

[Wikipedia: MathML](https://en.wikipedia.org/wiki/MathML)

[MDN: MathML](https://developer.mozilla.org/en-US/docs/Web/MathML)

[W3C: Mathematical Markup Language (MathML) Version 3.0 2nd Edition](https://www.w3.org/TR/MathML3/)

# Load dữ liệu và các thư viện cần dùng
```{r}
html_entitiesPathFile = "G:/R/Projects/ddRMarkdown/_datasets/html_entities.csv"
html_entities = read.csv(html_entitiesPathFile, encoding = "UTF-8")

escapePathFile = "G:/R/Projects/ddRMarkdown/_datasets/escape.csv"
escape = read.csv(escapePathFile, encoding = "UTF-8")

tex_mmlPathFile = "G:/R/Projects/ddRMarkdown/_datasets/tex_mml.csv"
tex_mml = read.csv(tex_mmlPathFile, encoding = "UTF-8")

library(kableExtra)
```

# Các mã kí tự hay dùng trong trang web
```{r}
# head(html_entities)
kable(html_entities[2:ncol(html_entities)]) %>%
  kable_styling(bootstrap_options = c("striped", "hover")) %>%
  scroll_box(width = "auto")
```

# Các mã escape
```{r}
# head(escape)
kable(escape[2:ncol(escape)]) %>%
  kable_styling(bootstrap_options = c("striped", "hover")) %>%
  scroll_box(width = "auto")
```

# Các mã đánh dấu Công thức toán học hay dùng
```{r}
#head(tex_mml)
kable(tex_mml[tex_mml$Group == 1, 3:ncol(tex_mml)], row.names = F) %>%
  kable_styling(bootstrap_options = c("striped", "hover"), full_width = T) %>%
  scroll_box(width = "auto")
```

```{r}
kable(tex_mml[tex_mml$Group == 2, 3:ncol(tex_mml)], row.names = F) %>%
  kable_styling(bootstrap_options = c("striped", "hover"), full_width = T) %>%
  scroll_box(width = "auto")
```

```{r}
kable(tex_mml[tex_mml$Group == 3, 3:ncol(tex_mml)], row.names = F) %>%
  kable_styling(bootstrap_options = c("striped", "hover"), full_width = T) %>%
  scroll_box(width = "auto")
```

```{r}
kable(tex_mml[tex_mml$Group == 4, 3:ncol(tex_mml)], row.names = F) %>%
  kable_styling(bootstrap_options = c("striped", "hover"), full_width = T) %>%
  scroll_box(width = "auto")
```

```{r}
kable(tex_mml[tex_mml$Group == 5, 3:ncol(tex_mml)], row.names = F) %>%
  kable_styling(bootstrap_options = c("striped", "hover"), full_width = T) %>%
  scroll_box(width = "auto")
```

```{r}
kable(tex_mml[tex_mml$Group == 6, 3:ncol(tex_mml)], row.names = F) %>%
  kable_styling(bootstrap_options = c("striped", "hover"), full_width = T) %>%
  scroll_box(width = "auto")
```

```{r}
kable(tex_mml[tex_mml$Group == 7, 3:ncol(tex_mml)], row.names = F) %>%
  kable_styling(bootstrap_options = c("striped", "hover"), full_width = T) %>%
  scroll_box(width = "auto")
```

<div>`$\begin{pmatrix}0 & 1 \\ 2 & 3\end{pmatrix}$`
$\begin{pmatrix}0 & 1 \\ 2 & 3\end{pmatrix}$</div>

```{r}
kable(tex_mml[tex_mml$Group == 8, 3:ncol(tex_mml)], row.names = F) %>%
  kable_styling(bootstrap_options = c("striped", "hover"), full_width = T) %>%
  scroll_box(width = "auto")
```
`$\ce{SO4^2-+Ba^2+->BaSO4 v}$` $\ce{SO4^2-+Ba^2+->BaSO4 v}$

`$\ce{SO}_4^{2-}\ce{+Ba^2+->BaSO4 v}$` $\ce{SO}_4^{2-}\ce{+Ba^2+->BaSO4 v}$


<!--
#as.factor(tex_mml$MathML)
#tex_mml$MathML[1]
#options(keep.source = FALSE)

#print(kable(tex_mml[2:ncol(tex_mml)]) %>% kable_styling(bootstrap_options = c("striped", "hover")) %>% scroll_box(width = "auto"))

#htmltools::html_print(
#  kable(tex_mml[2:ncol(tex_mml)]) %>% kable_styling(bootstrap_options = c("striped", #"hover")) %>% scroll_box(width = "auto")
#)


```{r}
t = c("Inline: \\$...\\$; Display: &#x0024;&#x0024;...&#x0024;&#x0024;")

kable(t) %>% kable_styling(bootstrap_options = c("striped", "hover")) %>% scroll_box(width = "auto")

```

<div style="border: 1px solid #ddd; padding: 5px; overflow-x: scroll; width:auto; "><table class="table table-striped table-hover" style="margin-left: auto; margin-right: auto;">
 <thead>
  <tr>
   <th style="text-align:left;"> Name </th>
   <th style="text-align:left;"> LaTeX </th>
   <th style="text-align:left;"> MathML </th>
   <th style="text-align:left;"> HTMLExample </th>
   <th style="text-align:left;"> HTMLDescription </th>
  </tr>
 </thead>
<tbody>
  <tr>
   <td style="text-align:left;"> Equations </td>
   <td style="text-align:left;"> Inline: <code>&bsol;(...&bsol;)</code>, <code>&dollar;...&dollar;</code>; Display: `\[...\]`, <code>&dollar;&dollar;...&dollar;&dollar;</code></td>
   <td style="text-align:left;"> `html <math>...</math>` hay <code>&lt;math xmlns="[http://www.w3.org/1998/Math/MathML](http://www.w3.org/1998/Math/MathML)"&gt;...&lt;/math&gt;</code> </td>
   <td style="text-align:left;"> NA </td>
   <td style="text-align:left;"> Đánh dấu Công thức toán học. </td>
  </tr>
</tbody>
</table></div>
-->

<br/><br/><br/><br/>


Phụ lục 1: Các bảng mã thường dùng

(Design Documents with RMarkdown)

Trát Quang Thụy

Ngày 20/2/2020

Tài liệu tham khảo

Load dữ liệu và các thư viện cần dùng

Các mã kí tự hay dùng trong trang web

Các mã escape

Các mã đánh dấu Công thức toán học hay dùng

Name	LaTeX	MathML	HTMLExample	Output	HTMLDescription
Equation Inline	`\(...\)`, $...$	<math> hay <math xmlns=“http://www.w3.org/1998/Math/MathML” >	$xyz$	Công – \(xyz\) – thức.	Hiển thị Công thức toán học trong đoạn văn.
Equation Display	`\[...\]`, `$$...$$`	<math xmlns=“http://www.w3.org/1998/Math/MathML” display=“block”>	`$$xyz$$`	Công – \[xyz\] – thức.	Hiển thị Công thức toán học thành một khối riêng biệt.