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_posts/2015-02-28-test-markdown.md
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---
layout: post
title: Test markdown
subtitle: Each post also has a subtitle
categories: markdown
tags: [test]
---
You can write regular [markdown](https://markdowntutorial.com/) here and Jekyll will automatically convert it to a nice webpage. I strongly encourage you to [take 5 minutes to learn how to write in markdown](http://markdowntutorial.com/) - it'll teach you how to transform regular text into bold/italics/headings/tables/etc.
**Here is some bold text**
## Here is a secondary heading
Here's a useless table:
| Number | Next number | Previous number |
| :------ |:--- | :--- |
| Five | Six | Four |
| Ten | Eleven | Nine |
| Seven | Eight | Six |
| Two | Three | One |
How about a yummy crepe?
![Crepe](https://s3-media3.fl.yelpcdn.com/bphoto/cQ1Yoa75m2yUFFbY2xwuqw/348s.jpg)
It can also be centered!
![Crepe](https://s3-media3.fl.yelpcdn.com/bphoto/cQ1Yoa75m2yUFFbY2xwuqw/348s.jpg){: .center-block :}
Here's a code chunk:
~~~
var foo = function(x) {
return(x + 5);
}
foo(3)
~~~
And here is the same code with syntax highlighting:
```javascript
var foo = function(x) {
return(x + 5);
}
foo(3)
```
And here is the same code yet again but with line numbers:
{% highlight javascript linenos %}
var foo = function(x) {
return(x + 5);
}
foo(3)
{% endhighlight %}
## Boxes
You can add notification, warning and error boxes like this:
### Notification
{: .box-note}
**Note:** This is a notification box.
### Warning
{: .box-warning}
**Warning:** This is a warning box.
### Error
{: .box-error}
**Error:** This is an error box.

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_posts/2016-01-01-another-test-markdown.md
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---
layout: post
title: Another test markdown
subtitle: Each post also has a subtitle
categories: markdown
tags: [test]
---
Put the math expression within <span>$</span>...\$:
\\(\LaTeX{}\\)
$\Pi$
$ a * b = c ^ b $
$ 2^{\frac{n-1}{3}} $
$ \int\_a^b f(x)\,dx. $
\\( \int\_a^b f(x)\,dx. \\)
$$
\begin{cases}
\text{if true}\ foo \\
\text{if false}\ bar
\end{cases}
$$
$ \rho {\rm{FOD}} = \sum\limits{\sigma ,i} {(\delta _1 - \delta _2 n_i^\sigma )|\phi _i^\sigma ({\bf{r}})|^2} $
$$ \rho {\rm{FOD}} = \sum\limits{\sigma ,i} {(\delta _1 - \delta _2 n_i^\sigma )|\phi _i^\sigma ({\bf{r}})|^2} $$
{{ "here is a liquid filter." | capitalize }}
{% capture test %}
\`escape inline code\`
`inline code`
Here is a **capture block**.
{% endcapture %}
{{ test | markdownify }}
{% assign x = 100 %} {% assign x = x | divided_by: 3 %}
100 / 3 = {{ x }}
:+1:
:bolivia:
\1. 21312
\2. 21312
\4. 4214
{% highlight python wl linenos %}
import networkx as nx
from collections import Counter
diagrams = defaultdict(list)
particle_counts = defaultdict(Counter)
for (a, b), neighbors in common_neighbors.items():
# Build up the graph of connections between the
# common neighbors of a and b.
g = nx.Graph()
for i in neighbors:
for j in set(nl.point_indices[
nl.query_point_indices == i]).intersection(neighbors):
g.add_edge(i, j)
# Define the identifiers for a CNA diagram:
# The first integer is 1 if the particles are bonded, otherwise 2
# The second integer is the number of shared neighbors
# The third integer is the number of bonds among shared neighbors
# The fourth integer is an index, just to ensure uniqueness of diagrams
diagram_type = 2-int(b in nl.point_indices[nl.query_point_indices == a])
key = (diagram_type, len(neighbors), g.number_of_edges())
# If we've seen any neighborhood graphs with this signature,
# we explicitly check if the two graphs are identical to
# determine whether to save this one. Otherwise, we add
# the new graph immediately.
if key in diagrams:
isomorphs = [nx.is_isomorphic(g, h) for h in diagrams[key]]
if any(isomorphs):
idx = isomorphs.index(True)
else:
diagrams[key].append(g)
idx = diagrams[key].index(g)
else:
diagrams[key].append(g)
idx = diagrams[key].index(g)
cna_signature = key + (idx,)
particle_counts[a].update([cna_signature])
{% endhighlight %}
```cpp
void insert(const char* key) {
if (*key == '\0') {
finish = true;
} else {
int idx = *key - 'A';
if (!next[idx])
next[idx] = new Trie();
next[idx]->insert(key + 1);
}
}
```
```ruby
p ":+1:"
```
``` diff
+ 'user_exists' => 'SELECT EXISTS(SELECT 1 FROM table WHERE username = (:username || \'@sample'))',
+ 'get_users' => 'SELECT split_part(username, \'@\', 1) FROM table WHERE (username ILIKE :search) OR (name ILIKE :search)',
+ 'get_password_hash_for_user' => 'SELECT split_part(password, \'{CRYPT}\', 2) FROM table WHERE username = (:username || \'@sample\')',
+ 'set_password_hash_for_user' => 'UPDATE table SET password = \'{CRYPT}\' || :new_password_hash WHERE username = (:username || \'@sample\')',
```
Reload the Nginx:
``` console
$ sudo nginx -s reload
```
|: |: :|: $$O_3 + C_2H_2 \rightarrow $$ :|||: $$O_3 + C_2H_4 \rightarrow $$ :|||: :|
|: ^^ Method :| ^^ $$\lambda^a$$ | vdW | TS | cycloadd. | vdW | TS | cycloadd. | ^^ MAE |
|-------------------------|-------------------|--------|-------|------------------------|-------|------|----------------------|-----------|
| $$\lambda$$-tPBE | 0.20 | -0.40 | 7.69 | -68.00 | -1.86 | 4.87 | -57.57 | 1.29 |
|-------------------------|-------------------|--------|-------|------------------------|-------|------|----------------------|-----------|
| MC1H-PBE $$^b$$ | 0.25 | -1.08 | 3.66 | -70.97 | -1.25 | 0.13 | -61.26 | 3.35 |
|-------------------------|-------------------|--------|-------|------------------------|-------|------|----------------------|-----------|
| Reference values $$^c$$ | --------- | -1.90 | 7.74 | -63.80 | -1.94 | 3.37 | -57.15 | --------- |
|=========================|===================|========|=======|========================|=======|======|======================|===========|
| $$^a$$ The optimal mixing parameter.$$\~$$ $$^b$$ From Ref. .$$\~$$ $$^c$$ Best estimates from Ref. . ||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| spancell1 || spancell2 || cell | spancell3 ||
|^^ spancell1 || spancell2 || cell | spancell3 ||
{:class="custom-table"}
<script>
|:-----:|:-----:|:-----:|:-----:|
| (0,0) | (0,1) | (0,2) | (0,3) |
| (1,0) || ^^ | (1,3) |
</script>
|:-----:|:-----:|:-----:|:-----:| ---- |
| (0,0) | (0,1) | (0,2) | (0,3) | |
| (1,0) || ^^ | (1,3) | |
|:-----:|:-----:|:-----:|:-----:| ---- |
| (0,0) | (0,1) | (0,2) | (0,3) | |
| (1,0) ||| (1,3) ||
|:-----:|:-----:|:-----:|:-----:| ---- |
| (0,0) | (0,1) | (0,2) | (0,3) | |
| (1,0) ||| ^^ | |
|:-----:|:-----:|:-----:|:-----:| ---- |
| (0,0) | (0,1) | (0,2) | (0,3) | \
| (1,0) ||| ^^ | |
## Table
| Stage | Direct Products | ATP Yields |
| ----: | --------------: | ---------: |
|Glycolysis | 2 ATP ||
|^^ | 2 NADH | 3--5 ATP |
|Pyruvaye oxidation | 2 NADH | 5 ATP |
|Citric acid cycle | 2 ATP ||
|^^ | 6 NADH | 15 ATP |
|^^ | 2 FADH | 3 ATP |
| 30--32 ATP |||
{:color-style: style="background: black;" }
{:color-style: style="color: white;" }
{:font-style: style="font-weight: 900; text-decoration: underline;" }
|: Here's a Inline Attribute Lists example :||||
| ------- | ------------------------- | -------------------- | ----------- |
|: :|: <div style="color: red;"> &lt; Normal HTML Block > </div> :|||
| ^^ | Red {: .cls style="background: orange" } |||
| ^^ IALs | Green {: #id style="background: green; color: white" } |||
| ^^ | Blue {: style="background: blue; color: white" } |||
| ^^ | Black {: color-style font-style} |||
[cell image]: https://jekyllrb.com/img/octojekyll.png "An exemplary image"
| Heading | Column 1 | Column 2 |
|--------------------|---------------|------------------------------------|
| Row 1 | Apple[^1] | [Youtube (Home)] |
| Row 2 | Banana | [Github][1] |
| Row 3 (merged) | Blueberry | [Google] ***** [Github] |
| ^^ | [Plum](https://example.com) | Raspberry ![example][cell image] |
| Row 4 | <https://www.google.com> | [test](https://www.google.com){:target="_blank"} |
|^^ |^^ <https://www.youtube.com> | |
| Row 5 | <https://www.google.com> ||
[Youtube (Home)]: https://www.youtube.com
[Google]: https://www.google.com
[Github]: https://www.github.com
[1]: https://www.github.com
[^1]: Footnote
<https://www.google.com>
Not in table: `<Mail Gateway>`
In table:
Decision Point | Design Decision
--- | ---
Authoritative DNS MX Record | `<Mail Gateway>`
9 \* 9
| 1 \* 1 = 1 |
| 1 \* 2 = 2 | 2 \* 2 = 4 |
| 1 \* 3 = 3 | 2 \* 3 = 6 | 3 \* 3 = 9 |
| 1 \* 3 = 3 | 2 \* 3 = 6 | 3 \* 4 = 12 | 4 \* 4 = 16 |
## Emoji
:+1:
## Mathjax
$\LaTeX{}$
## PlantUML
@startuml
Bob -> Alice : hello
@enduml
## Mermaid
```mermaid!
graph LR
concurrent.futures --->| on top of | threading
concurrent.futures --->| on top of | multiprocessing
threading --->| on top of | \_thread
click concurrent.futures "https://docs.python.org/3.9/library/concurrent.futures.html" _blank
```
## Video
![Flower](https://interactive-examples.mdn.mozilla.net/media/cc0-videos/flower.webm)
![](//www.youtube.com/watch?v=Ptk_1Dc2iPY)
![](https://avatars3.githubusercontent.com/hubot?v=3&amp;s=40)
[\[video link\]](//www.youtube.com/watch?v=Ptk_1Dc2iPY)
## Audio
[HTML5 Audio Formats Test](https://hpr.dogphilosophy.net/test/)
Opus Audio (".opus"):
![](https://hpr.dogphilosophy.net/test/opus.opus)
"MP3" file (".mp3") :
![](https://hpr.dogphilosophy.net/test/mp3.mp3)
WebM Audio (".weba"):
![](https://hpr.dogphilosophy.net/test/weba.weba)
WebMv2 Audio (".webm"):
![](https://hpr.dogphilosophy.net/test/webmv2.webm)
Ogg Vorbis (".ogg") :
![](https://hpr.dogphilosophy.net/test/ogg.ogg)
"wave" file(".wav") :
![](https://hpr.dogphilosophy.net/test/wav.wav)
FLAC file (".flac") :
![](https://hpr.dogphilosophy.net/test/flac.flac)
CAF file (".caf") :
![](https://hpr.dogphilosophy.net/test/cafopus.caf)
Spotify Podcast:
![](https://open.spotify.com/episode/31AxcwYdjsFtStds5JVWbT)
## Special media links
![]( {{ "/assets/devstories.webm" | relative_url }} )
[![w:1100](https://i.imgur.com/bc9HOJU.png)](https://www.youtube.com/watch?v=kCHGDRHZ4eU)
Tips:
* Use pipes {% raw %}(`|`){% endraw %} to delineate columns, and dashes to delineate the header row from the rest of the table.
* Spacing doesn't matter to the markdown processor, any extra white space is removed, but it can really help with readability.
The two markdown examples below both create this table.
Use pipes `{% raw %}(`|`){% endraw %}` to delineate columns, and dashes to delineate the header row from the rest of the table.

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_posts/2016-05-19-super-short-article.md
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---
layout: post
title: "Some articles are just so short that we have to make the footer stick"
categories: misc
---
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

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_posts/2016-05-20-super-long-article.md
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---
layout: post
title: "Some articles are just so long they deserve a really long title to see if things will break well"
categories: misc
---
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Fusce bibendum neque eget nunc mattis eu sollicitudin enim tincidunt. Vestibulum lacus tortor, ultricies id dignissim ac, bibendum in velit. Proin convallis mi ac felis pharetra aliquam. Curabitur dignissim accumsan rutrum. In arcu magna, aliquet vel pretium et, molestie et arcu. Mauris lobortis nulla et felis ullamcorper bibendum. Phasellus et hendrerit mauris. Proin eget nibh a massa vestibulum pretium. Suspendisse eu nisl a ante aliquet bibendum quis a nunc. Praesent varius interdum vehicula. Aenean risus libero, placerat at vestibulum eget, ultricies eu enim. Praesent nulla tortor, malesuada adipiscing adipiscing sollicitudin, adipiscing eget est.
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Fusce bibendum neque eget nunc mattis eu sollicitudin enim tincidunt. Vestibulum lacus tortor, ultricies id dignissim ac, bibendum in velit. Proin convallis mi ac felis pharetra aliquam. Curabitur dignissim accumsan rutrum. In arcu magna, aliquet vel pretium et, molestie et arcu. Mauris lobortis nulla et felis ullamcorper bibendum. Phasellus et hendrerit mauris. Proin eget nibh a massa vestibulum pretium. Suspendisse eu nisl a ante aliquet bibendum quis a nunc. Praesent varius interdum vehicula. Aenean risus libero, placerat at vestibulum eget, ultricies eu enim. Praesent nulla tortor, malesuada adipiscing adipiscing sollicitudin, adipiscing eget est.
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Fusce bibendum neque eget nunc mattis eu sollicitudin enim tincidunt. Vestibulum lacus tortor, ultricies id dignissim ac, bibendum in velit. Proin convallis mi ac felis pharetra aliquam. Curabitur dignissim accumsan rutrum. In arcu magna, aliquet vel pretium et, molestie et arcu. Mauris lobortis nulla et felis ullamcorper bibendum. Phasellus et hendrerit mauris. Proin eget nibh a massa vestibulum pretium. Suspendisse eu nisl a ante aliquet bibendum quis a nunc. Praesent varius interdum vehicula. Aenean risus libero, placerat at vestibulum eget, ultricies eu enim. Praesent nulla tortor, malesuada adipiscing adipiscing sollicitudin, adipiscing eget est.

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_posts/2016-08-12-my-example-post.md
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---
layout: post
categories: junk
---
Eos eu docendi tractatos sapientem, brute option menandri in vix, quando vivendo accommodare te ius. Nec melius fastidii constituam id, viderer theophrastus ad sit, hinc semper periculis cum id. Noluisse postulant assentior est in, no choro sadipscing repudiandae vix. Vis in euismod delenit dignissim. Ex quod nostrum sit, suas decore animal id ius, nobis solet detracto quo te.
{% comment %}
Might you have an include in your theme? Why not try it here!
{% include my-themes-great-include.html %}
{% endcomment %}
No laudem altera adolescens has, volumus lucilius eum no. Eam ei nulla audiam efficiantur. Suas affert per no, ei tale nibh sea. Sea ne magna harum, in denique scriptorem sea, cetero alienum tibique ei eos. Labores persequeris referrentur eos ei.

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_posts/2017-05-20-this-post-demonstrates-post-content-styles.md
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---
layout: post
title: "This post demonstrates post content styles"
categories: junk
author: "Bart Simpson"
meta: "Springfield"
---
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Fusce bibendum neque eget nunc mattis eu sollicitudin enim tincidunt. Vestibulum lacus tortor, ultricies id dignissim ac, bibendum in velit.
## Some great heading (h2)
Proin convallis mi ac felis pharetra aliquam. Curabitur dignissim accumsan rutrum. In arcu magna, aliquet vel pretium et, molestie et arcu.
Mauris lobortis nulla et felis ullamcorper bibendum. Phasellus et hendrerit mauris. Proin eget nibh a massa vestibulum pretium. Suspendisse eu nisl a ante aliquet bibendum quis a nunc. Praesent varius interdum vehicula. Aenean risus libero, placerat at vestibulum eget, ultricies eu enim. Praesent nulla tortor, malesuada adipiscing adipiscing sollicitudin, adipiscing eget est.
## Another great heading (h2)
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Fusce bibendum neque eget nunc mattis eu sollicitudin enim tincidunt. Vestibulum lacus tortor, ultricies id dignissim ac, bibendum in velit.
### Some great subheading (h3)
Proin convallis mi ac felis pharetra aliquam. Curabitur dignissim accumsan rutrum. In arcu magna, aliquet vel pretium et, molestie et arcu. Mauris lobortis nulla et felis ullamcorper bibendum.
Phasellus et hendrerit mauris. Proin eget nibh a massa vestibulum pretium. Suspendisse eu nisl a ante aliquet bibendum quis a nunc.
### Some great subheading (h3)
Praesent varius interdum vehicula. Aenean risus libero, placerat at vestibulum eget, ultricies eu enim. Praesent nulla tortor, malesuada adipiscing adipiscing sollicitudin, adipiscing eget est.
> This quote will change your life. It will reveal the secrets of the universe, and all the wonders of humanity. Don't misuse it.
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Fusce bibendum neque eget nunc mattis eu sollicitudin enim tincidunt.
### Some great subheading (h3)
Vestibulum lacus tortor, ultricies id dignissim ac, bibendum in velit. Proin convallis mi ac felis pharetra aliquam. Curabitur dignissim accumsan rutrum.
```html
<html>
<head> </head>
<body>
<p>Hello, World!</p>
</body>
</html>
```
In arcu magna, aliquet vel pretium et, molestie et arcu. Mauris lobortis nulla et felis ullamcorper bibendum. Phasellus et hendrerit mauris.
#### You might want a sub-subheading (h4)
In arcu magna, aliquet vel pretium et, molestie et arcu. Mauris lobortis nulla et felis ullamcorper bibendum. Phasellus et hendrerit mauris.
In arcu magna, aliquet vel pretium et, molestie et arcu. Mauris lobortis nulla et felis ullamcorper bibendum. Phasellus et hendrerit mauris.
#### But it's probably overkill (h4)
In arcu magna, aliquet vel pretium et, molestie et arcu. Mauris lobortis nulla et felis ullamcorper bibendum. Phasellus et hendrerit mauris.
### Oh hai, an unordered list!!
In arcu magna, aliquet vel pretium et, molestie et arcu. Mauris lobortis nulla et felis ullamcorper bibendum. Phasellus et hendrerit mauris.
- First item, yo
- Second item, dawg
- Third item, what what?!
- Fourth item, fo sheezy my neezy
### Oh hai, an ordered list!!
In arcu magna, aliquet vel pretium et, molestie et arcu. Mauris lobortis nulla et felis ullamcorper bibendum. Phasellus et hendrerit mauris.
1. First item, yo
2. Second item, dawg
3. Third item, what what?!
4. Fourth item, fo sheezy my neezy
## Headings are cool! (h2)
Proin eget nibh a massa vestibulum pretium. Suspendisse eu nisl a ante aliquet bibendum quis a nunc. Praesent varius interdum vehicula. Aenean risus libero, placerat at vestibulum eget, ultricies eu enim. Praesent nulla tortor, malesuada adipiscing adipiscing sollicitudin, adipiscing eget est.
Praesent nulla tortor, malesuada adipiscing adipiscing sollicitudin, adipiscing eget est.
Proin eget nibh a massa vestibulum pretium. Suspendisse eu nisl a ante aliquet bibendum quis a nunc.
### Tables
| Title 1 | Title 2 | Title 3 | Title 4 |
| --------------------- | --------------------- | --------------------- | --------------------- |
| lorem | lorem ipsum | lorem ipsum dolor | lorem ipsum dolor sit |
| lorem ipsum dolor sit | lorem ipsum dolor sit | lorem ipsum dolor sit | lorem ipsum dolor sit |
| lorem ipsum dolor sit | lorem ipsum dolor sit | lorem ipsum dolor sit | lorem ipsum dolor sit |
| lorem ipsum dolor sit | lorem ipsum dolor sit | lorem ipsum dolor sit | lorem ipsum dolor sit |
| Title 1 | Title 2 | Title 3 | Title 4 |
| -------------------------- | -------------------------------------- | -------------------------- | -------------------------------------- |
| lorem | lorem ipsum | lorem ipsum dolor | lorem ipsum dolor sit |
| lorem ipsum dolor sit amet | lorem ipsum dolor sit amet consectetur | lorem ipsum dolor sit amet | lorem ipsum dolor sit |
| lorem ipsum dolor | lorem ipsum | lorem | lorem ipsum |
| lorem ipsum dolor | lorem ipsum dolor sit | lorem ipsum dolor sit amet | lorem ipsum dolor sit amet consectetur |

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---
layout: post
title: Quick markdown example
subtitle: This is a quick markdown example
categories: markdown
tags: [example]
---
Paragraphs are separated by a blank line.
2nd paragraph. *Italic*, **bold**, and `monospace`. Itemized lists
look like:
* this one
* that one
* the other one
Note that --- not considering the asterisk --- the actual text
content starts at 4-columns in.
> Block quotes are
> written like so.
>
> They can span multiple paragraphs,
> if you like.
Use 3 dashes for an em-dash. Use 2 dashes for ranges (ex., "it's all
in chapters 12--14"). Three dots ... will be converted to an ellipsis.
Unicode is supported. ☺
An h2 header
------------
Here's a numbered list:
1. first item
2. second item
3. third item
Note again how the actual text starts at 4 columns in (4 characters
from the left side). Here's a code sample:
# Let me re-iterate ...
for i in 1 .. 10 { do-something(i) }
As you probably guessed, indented 4 spaces. By the way, instead of
indenting the block, you can use delimited blocks, if you like:
~~~
define foobar() {
print "Welcome to flavor country!";
}
~~~
(which makes copying & pasting easier). You can optionally mark the
delimited block for Pandoc to syntax highlight it:
~~~python
import time
# Quick, count to ten!
for i in range(10):
# (but not *too* quick)
time.sleep(0.5)
print(i)
~~~
### An h3 header ###
Now a nested list:
1. First, get these ingredients:
* carrots
* celery
* lentils
2. Boil some water.
3. Dump everything in the pot and follow
this algorithm:
find wooden spoon
uncover pot
stir
cover pot
balance wooden spoon precariously on pot handle
wait 10 minutes
goto first step (or shut off burner when done)
Do not bump wooden spoon or it will fall.
Notice again how text always lines up on 4-space indents (including
that last line which continues item 3 above).
Here's a link to [a website](http://foo.bar), to a [local
doc](local-doc.html), and to a [section heading in the current
doc](#an-h2-header). Here's a footnote [^1].
[^1]: Some footnote text.
Tables can look like this:
Name Size Material Color
------------- ----- ------------ ------------
All Business 9 leather brown
Roundabout 10 hemp canvas natural
Cinderella 11 glass transparent
Table: Shoes sizes, materials, and colors.
(The above is the caption for the table.) Pandoc also supports
multi-line tables:
-------- -----------------------
Keyword Text
-------- -----------------------
red Sunsets, apples, and
other red or reddish
things.
green Leaves, grass, frogs
and other things it's
not easy being.
-------- -----------------------
A horizontal rule follows.
***
Here's a definition list:
apples
: Good for making applesauce.
oranges
: Citrus!
tomatoes
: There's no "e" in tomatoe.
Again, text is indented 4 spaces. (Put a blank line between each
term and its definition to spread things out more.)
Here's a "line block" (note how whitespace is honored):
| Line one
| Line too
| Line tree
and images can be specified like so:
![example image](https://user-images.githubusercontent.com/9413601/123900693-1d9ebd00-d99c-11eb-8e9e-cf7879187606.png "An exemplary image")
Inline math equation: $\omega = d\phi / dt$. Display
math should get its own line like so:
$$I = \int \rho R^{2} dV$$
And note that you can backslash-escape any punctuation characters
which you wish to be displayed literally, ex.: \`foo\`, \*bar\*, etc.

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---
layout: post
title: Plantuml example
categories: example
tags: [plantuml]
---
## My First PlantUML
### PlantUML Block-1
@startuml
Bob -> Alice : hello
@enduml
### PlantUML Block-2
``` plantuml!
Bob -> Alice : hello world
```
### PlantUML Block-3
@startuml
(*) --> "Initialization"
if "Some Test" then
-->[true] "Some Activity"
--> "Another activity"
-right-> (*)
else
->[false] "Something else"
-->[Ending process] (*)
endif
@enduml
### PlantUML Block-4
@startuml
skinparam handwritten true
skinparam usecase {
BackgroundColor DarkSeaGreen
BorderColor DarkSlateGray
BackgroundColor<< Main >> YellowGreen
BorderColor<< Main >> YellowGreen
ArrowColor Olive
ActorBorderColor black
ActorFontName Courier
ActorBackgroundColor<< Human >> Gold
}
User << Human >>
:Main Database: as MySql << Application >>
(Start) << One Shot >>
(Use the application) as (Use) << Main >>
User -> (Start)
User --> (Use)
MySql --> (Use)
@enduml

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---
layout: post
title: Mermaid example
categories: example
tags: [mermaid]
---
### 1. Pie chart
```mermaid!
pie title Pets adopted by volunteers
"Dogs" : 386
"Cats" : 85
"Rats" : 35
```
### 2. sequence diagram
@startmermaid
sequenceDiagram
Alice ->> Bob: Hello Bob, how are you?
Bob-->>John: How about you John?
Bob--x Alice: I am good thanks!
Bob-x John: I am good thanks!
Note right of John: Bob thinks a long<br/>long time, so long<br/>that the text does<br/>not fit on a row.
Bob-->Alice: Checking with John...
Alice->John: Yes... John, how are you?
@endmermaid
```mermaid!
graph TD
A[Christmas] -->|Get money| B(Go shopping)
B --> C{Let me think}
C -->|One| D[Laptop]
C -->|Two| E[iPhone]
C -->|Three| F[fa:fa-car Car]
```
### 3. Class diagram
```mermaid!
classDiagram
Animal <|-- Duck
Animal <|-- Fish
Animal <|-- Zebra
Animal : +int age
Animal : +String gender
Animal: +isMammal()
Animal: +mate()
class Duck{
+String beakColor
+swim()
+quack()
}
class Fish{
-int sizeInFeet
-canEat()
}
class Zebra{
+bool is_wild
+run()
}
```
### 4. State diagram
```mermaid!
stateDiagram
[*] --> Still
Still --> [*]
Still --> Moving
Moving --> Still
Moving --> Crash
Crash --> [*]
```

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---
layout: post
title: Table example
subtitle:
categories: example
tags: [table]
---
## Table example as below
**For now, these extended features are provided:**
* Cells spanning multiple columns
* Cells spanning multiple rows
* Cells text align separately
* Table header not required
* Grouped table header rows or data rows
### Rowspan and Colspan
^^ in a cell indicates it should be merged with the cell above.
This feature is contributed by [pmccloghrylaing](https://github.com/pmccloghrylaing).
| Stage | Direct Products | ATP Yields |
| ----: | --------------: | ---------: |
|Glycolysis | 2 ATP ||
|^^ | 2 NADH | 3--5 ATP |
|Pyruvaye oxidation | 2 NADH | 5 ATP |
|Citric acid cycle | 2 ATP ||
|^^ | 6 NADH | 15 ATP |
|^^ | 2 FADH | 3 ATP |
| 30--32 ATP |||
[ Net ATP yields per hexose]
### Multiline
A backslash at end to join cell contents with the following lines.
This feature is contributed by [Lucas-C](https://github.com/Lucas-C).
|: Easy Multiline :|||
|:------ |:------ |:-------- |
| Apple | Banana | Orange \
| Apple | Banana | Orange \
| Apple | Banana | Orange
| Apple | Banana | Orange \
| Apple | Banana | Orange |
| Apple | Banana | Orange |
### Headerless
Table header can be eliminated.
|--|--|--|--|--|--|--|--|
|♜ | |♝ |♛ |♚ |♝ |♞ |♜ |
| |♟ |♟ |♟ | |♟ |♟ |♟ |
|♟ | |♞ | | | | | |
| |♗ | | |♟ | | | |
| | | | |♙ | | | |
| | | | | |♘ | | |
|♙ |♙ |♙ |♙ | |♙ |♙ |♙ |
|♖ |♘ |♗ |♕ |♔ | | |♖ |
```markdown
|: Fruits \|\| Food :|||
|:-------- |:-------- |:------------ |
| Apple |: Apple :| Apple \
| Banana | Banana | Banana \
| Orange | Orange | Orange |
|: Rowspan is 5 :||: How's it? :|
|^^ A. Peach ||^^ 1. Fine |
|^^ B. Orange ||^^ 2. Bad $I = \int \rho R^{2} dV$ |
|^^ C. Banana || It's OK! ![example image][my-image] |
```
### Text Alignment
Table cell can be set alignment separately.
| \:Fruits || Food :|
|:-------- |:------ |:-------- |
| Apple | Banana | Orange |
| Apple | Banana | Orange |
| | Fruits\:: ||
|:-------- |:------ |:-------- |
| Apple | Banana | Orange |
| Apple | Banana | Orange |
|: \:Fruits :|| |: Food :||
|:-------- |:------ |:-------- |:-------- |:------ |
| Apple | Banana | Orange |: Strawberry :|
| Apple & Banana || ^^ | Peach :||
|: \:Fruits :|| |: Food :||
| Apple | Banana | Orange |: Strawberry :|
|: Fruits \|\| Food :|||
|:-------- |:-------- |:------------ |
| Apple |: Apple :| Apple \
| Banana | Banana | Banana \
| Orange | Orange | Orange |
|: Rowspan is 5 :||: How's it? :|
|^^ A. Peach ||^^ 1. Fine |
|^^ B. Orange ||^^ 2. Bad $I = \int \rho R^{2} dV$ |
|^^ C. Banana || It's OK! ![example image][my-image] |
[my-image]: http://www.unexpected-vortices.com/sw/rippledoc/example-image.jpg "An exemplary image"

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---
layout: post
title: Video example
subtitle:
categories: example
tags: [video]
---
## Canon in D (Pachelbel's Canon) - Cello & Piano [BEST WEDDING VERSION]
Some of you know that we occasionally play for weddings. As you can imagine, we get a LOT of requests for Canon in D, and we discovered that there were no good arrangements available anywhere for piano and cello! Hard to believe given its popularity. So we decided to make our own! We tried to stick as closely to the original as possible (which was written for three violins and basso continuo), and we performed it *not* at a snail's pace so the bride can actually make it down the aisle without putting everyone to sleep. 🙊(Yeah, we said it! Nobody likes a slow processional!) Also, the number one complaint about this piece from cellists is always how booooring it is to play because they literally have to play the same 8 bass notes over and over for the entire piece. Problem solved with this arrangement because the cello never has to play the bass! 🙌(The piano does, but we get lots of other fun stuff too so it's ok!) So for all you musicians out there playing weddings, we hope you enjoy playing this arrangement a little more than the ones you were used to...You can get it from www.musicnotes.com. 😊Be sure to let us know in the comments if you do!
![](//www.youtube.com/watch?v=Ptk_1Dc2iPY)
## GUCCI HALLUCINATION / THE LINE ANIMATION / GUCCI
BACKGROUND /
Gucci share their creative vision through a series of surreal animated paintings by acclaimed artist Ignasi Monreal and The Line Animation studio. The animations make up part of a larger campaign shared via social media, above the line and print.
APPROACH /
Our aim was to ground and accentuate the outlandish scenarios with ambient sound design. Neither proclaiming to be positive or negative, the sound conveys a sense of the uncanny and leaves the audience with nothing but their own interpretations. their creative vision through a series of surreal animated paintings by acclaimed artist Ignasi Monreal and The Line Animation studio. The animations make up part of a larger campaign shared via social media, above the line and print.
![](https://vimeo.com/263856289)
## FINNEAS Demos How He Builds Songs For Billie Eilish
Grammy Award-winning musician and producer FINNEAS sits down with Pitchfork and closely examines his creative process while working on some of the biggest hit songs of the past couple years. FINNEAS explores the sounds that brought upon
some of his greatest musical breakthroughs in songs such as bad guy, bury a friend, ocean eyes, when the party's over, I Lost a Friend, Used to This and much more.
![][demo]
[demo]: https://dai.ly/x7tgcev
## 2019 BMW Vision M NEXT Concept (HD)
In future, drivers will be able to choose whether they wish to be driven or do the driving themselves. With the BMW Vision M NEXT, the BMW Group is revealing its take on how driving pleasure might look in future. It offers a foretaste of the BMW M brand’s electrified future by placing the focus squarely on the actively engaged driver. Intelligent technologies provide comprehensive yet carefully targeted assistance to turn them into the ultimate driver.
![](https://www.dailymotion.com/video/x7bur2y)
## This is the poster image
In modern browsers, adding a video to your page is as easy as adding an image. No longer do you need to deal with special plug-ins or require crazy markup, you can do it with a single element.
![video](//www.html5rocks.com/en/tutorials/video/basics/devstories.webm)

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---
layout: post
title: Mathjax Test
subtitle: My first mathjax expression
categories: markdown
tags: [test]
---
* A safe integer is an integer that
* can be exactly represented as an IEEE-754 double precision number, and
* whose IEEE-75 representation cannot be the result of rounding any other integer to fit the IEEE-754 representation
* For example, $ 2 ^ {53} - 1 $ is a safe integer,
* it can be exactly represented

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---
layout: post
title: An exhibit of Markdown
subtitle: Each post also has a subtitle
categories: markdown
tags: [example, markdown]
---
This note demonstrates some of what [Markdown][1] is capable of doing.
## An exhibit of Markdown
*Note: Feel free to play with this page. Unlike regular notes, this doesn't automatically save itself.*
## Basic formatting
Paragraphs can be written like so. A paragraph is the basic block of Markdown. A paragraph is what text will turn into when there is no reason it should become anything else.
Paragraphs must be separated by a blank line. Basic formatting of *italics* and **bold** is supported. This *can be **nested** like* so.
## Lists
### Ordered list
1. Item 1
2. A second item
3. Number 3
4. Ⅳ
*Note: the fourth item uses the Unicode character for [Roman numeral four][2].*
### Unordered list
* An item
* Another item
* Yet another item
* And there's more...
## Paragraph modifiers
### Code block
Code blocks are very useful for developers and other people who look at code or other things that are written in plain text. As you can see, it uses a fixed-width font.
You can also make `inline code` to add code into other things.
### Quote
> Here is a quote. What this is should be self explanatory. Quotes are automatically indented when they are used.
## Headings
There are six levels of headings. They correspond with the six levels of HTML headings. You've probably noticed them already in the page. Each level down uses one more hash character.
### Headings *can* also contain **formatting**
### They can even contain `inline code`
Of course, demonstrating what headings look like messes up the structure of the page.
I don't recommend using more than three or four levels of headings here, because, when you're smallest heading isn't too small, and you're largest heading isn't too big, and you want each size up to look noticeably larger and more important, there there are only so many sizes that you can use.
## URLs
URLs can be made in a handful of ways:
* A named link to [MarkItDown][3]. The easiest way to do these is to select what you want to make a link and hit `Ctrl+L`.
* Another named link to [MarkItDown](https://www.markitdown.net/)
* Sometimes you just want a URL like <https://www.markitdown.net/>.
## Horizontal rule
A horizontal rule is a line that goes across the middle of the page.
---
It's sometimes handy for breaking things up.
## Images
Markdown can also contain images. I'll need to add something here sometime.
## Finally
There's actually a lot more to Markdown than this. See the official [introduction][4] and [syntax][5] for more information. However, be aware that this is not using the official implementation, and this might work subtly differently in some of the little things.
[1]: https://daringfireball.net/projects/markdown/
[2]: https://www.fileformat.info/info/unicode/char/2163/index.htm
[3]: https://www.markitdown.net/
[4]: https://daringfireball.net/projects/markdown/basics
[5]: https://daringfireball.net/projects/markdown/syntax

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---
layout: post
title: Welcome to Jekyll!
subtitle: A awesome static site generator.
author: Jeffrey
categories: jekyll
banner:
video: https://vjs.zencdn.net/v/oceans.mp4
loop: true
volume: 0.8
start_at: 8.5
image: https://bit.ly/3xTmdUP
opacity: 0.618
background: "#000"
height: "100vh"
min_height: "38vh"
heading_style: "font-size: 4.25em; font-weight: bold; text-decoration: underline"
subheading_style: "color: gold"
tags: jekyll theme yat
sidebar: []
---
You’ll find this post in your `_posts` directory. Go ahead and edit it and re-build the site to see your changes. You can rebuild the site in many different ways, but the most common way is to run `jekyll serve`, which launches a web server and auto-regenerates your site when a file is updated.
To add new posts, simply add a file in the `_posts` directory that follows the convention `YYYY-MM-DD-name-of-post.ext` and includes the necessary front matter. Take a look at the source for this post to get an idea about how it works.
## section 1
Jekyll also offers powerful support for code snippets:
{% highlight ruby %}
def print_hi(name)
puts "Hi, #{name}"
end
print_hi('Tom')
#=> prints 'Hi, Tom' to STDOUT.
{% endhighlight %}
## section 2
Check out the [Jekyll docs][jekyll-docs] for more info on how to get the most out of Jekyll. File all bugs/feature requests at [Jekyll’s GitHub repo][jekyll-gh]. If you have questions, you can ask them on [Jekyll Talk][jekyll-talk].
[jekyll-docs]: https://jekyllrb.com/docs/home
[jekyll-gh]: https://github.com/jekyll/jekyll
[jekyll-talk]: https://talk.jekyllrb.com/
$ a \* b = c ^ b $
$ 2^{\frac{n-1}{3}} $
$ \int_a^b f(x)\,dx. $
```cpp
#include <iostream>
using namespace std;
int main() {
cout << "Hello World!";
return 0;
}
// prints 'Hi, Tom' to STDOUT.
```
```python
class Person:
def __init__(self, name, age):
self.name = name
self.age = age
p1 = Person("John", 36)
print(p1.name)
print(p1.age)
```

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---
layout: post
title: Automatizace, automatizace, automatizace
subtitle: Ulehčujeme si život
categories: programování
tags: automatizace technologie
sidebar: []
---
Roboti nám brzo vezmou práci, ale mně to (prozatím) nevadí. Já nechávám robůtky pracovat za mě a ulehčovat mi práci. A vy byste měli taky! Pokud teda programujete, jinak nevím.
Nedávno jsem objevil krásy zvané GitHub Actions a musím říct, že je to opravdu radost. Nikdy předtím jsem nedokázal pochopit jejich praktičnost, než jsem pracoval na [OpenCanteen](https://github.com/hernikplays/opencanteen). Sestavovat, podepisovat a nahrávat mě opravdu nebavilo a ještě s mým pomalým PC v kombinaci s pomalým internetem to nešlo zrovna rychle. Pak jsem si vzpomněl na GitHub Actions. Místo toho, abych dělal cokoliv produktivního, jsem strávil celé odpoledne nastavováním Actions, aby mi při novém tagu automaticky sestavil a publikoval vydání aplikace do Google Play.
Ta první část šla skvěle, avšak nahrávání do Google Play bylo o něco složitější, dokud jsem neobjevil hotové a, prozatím bezplatné, řešení [CodeMagic](https://codemagic.io/start/).
Jednoduše jsem napojil repozitář, nastavil podepisovací a nahrávací údaje a všechno hned jelo! Byla to radost pro někoho tak líného jako jsem já. I přesto, že jsem sám reálně nic neudělal, cítil jsem, že jsem dosáhl něčeho úžasného.
A určitě to lze dotáhnout ještě dál, už teď používám Actions pro automatickou analýzu kódu, a kdybych si vytvořil testy tak by mi to určitě i otestovalo celou aplikaci.
Pak jsem si řekl, že by možná mohl někdo chtít do mé aplikace přispět svým kódem. Protože chci v tom mít pořádek, hned jsem začal projíždět GitHub Marketplace pro nějaké akce na pull requesty. Hned jsem jich několik objevil.
Velice jsem ocenil akci, která mi automaticky přidala labely podle souboru, který byl v PR upraven.
Určitě nepotřebujete nutně automatizovat všechno, pokud máte např. soukromý či malý projekt. Nicméně si to můžete aspoň otestovat a případně využít v budoucnu tak se do toho pusťte! Automatizovat můžete všechno možné. Určitě budete mít dobrý pocit, když se vaše akce spustí a úspěšně se dokončí.

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---
layout: post
title: GitHub Codespaces aneb VS Code na VPS
subtitle: Dopřejte si trochu luxusu
categories: vychytávky
tags: github vps
sidebar: []
---
Nedávno mi přišel e-mail, že jsem byl přidán do beta testování funkce Codespaces na GitHubu. Stručně, Codespaces má být systém ve kterém si vytvoříte vlastní prostředí pro váš repozitář, do kterého si nainstalujete všechny potřebné knihovny, SDK a balíky. Server, na kterém to všechno běží, si platíte u GitHubu a můžete na něj kdekoliv a kdykoliv přejít přes web do webové, narozdíl od výchozího webového VS Code plně vybavené, verzi VS Code nebo nainstalovaný VS Code a upravovat nebo testovat kód.
Hodí se pro lidi, kteří nechtějí tahat např. do školy nebo do práce, kde nesmí instalovat externí aplikace, svůj vlastní notebook.
Parametry
V betě je možné testovat pouze výchozí možnost 4 jádra + 8GB RAM + 32GB úložiště, což definitivně stačí pro osobní a malé projekty. Do konce bety neplatíte nic, ale 4 jádra vyjdou na $0.36 (asi 8,3 kč) za hodinu, tj za hodinu aktivního používání. Codespace se vám automaticky vypne, pokud není po stanovenou dobu nepoužíván, takže můžete předejít placení katastrofických částek.
![Ceny Codespaces]("/assets/images/codespaces/1.jpg")
Je to určitě výhodnější, než si platit např. hotové VPS, pokud ho tedy nepoužíváte i na něco smysluplnějšího.
Moje zkušenost
Samozřejmě jsem nemohl odolat a na OpenCanteen jsem si jeden nechal vytvořit, aniž bych věděl do čeho se vrhám.
Codespace se vytváří jednoduše kliknutím na tlačítko "Code" ve vašem repozitáří, kde se vám nově zobrazí možnost si Codespace vytvořit.
Ve výchozím stavu běží server na Ubuntu. Pokud nenajdete docker obraz nebo devcontainer konfigurační soubor, musíte si samozřejmě vše nainstalovat sami, což zas tolik nevadí, protože to nejspíš budete dělat jen jednou, pokud si nebudete s obrazem stroje nějak zahrávat.
Instalace všeho však probíhá svižně, jelikož asi v Microsoftu mají na rychlejší internet, než já. Samozřejmě vše musíte instalovat skrze terminál (což mě celkem ranilo, jelikož instalovat Android SDK pro flutter byla celkem fuška).
Pokud používáte Settings Sync ve VS Code, automaticky se vám synchronizují nastavení a rozšíření. Pro pokročilé upravení prostředí slouží konfigurační soubor devcontainer.json
![Ceny Codespaces]("/assets/images/codespaces/2.jpg")
Jakmile máte všechno nastavené, už stačí jen využít starého známého Visual Studio Code, které funguje úplně stejně jako na lokálním zařízení. Na Codespace se můžete kdykoli připojit přes webovou adresu.
Za mě velice praktické pro dříve uvedené typy lidí, už jen záleží, jestli se to zrovna vám za ty peníze vyplatí. Dokumentace je možná trochu chaotická, alespoň pro uživatele co se nevyznají v technologiích jako kontejnery či docker a většiny funkcí využije jen skutečný poweruser (což já určitě nejsem).

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layout: home
title: Home
banner: "/assets/images/banners/home.jpeg"
banner: "/assets/images/banners/home.jpg"
---