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AhyoungRyu 641a641c31 [HOT FIX] Fix broken display_formula.png by using relative path

### What is this PR for?
Currently `display_formula.png` (added by #1606) is broken in here: http://zeppelin.apache.org/docs/0.7.0-SNAPSHOT/displaysystem/basicdisplaysystem.html#mathematical-expressions

Fixed it by using relative path for the image. But have no idea why the other image files are not broken in that page.

### What type of PR is it?
Documentation | Hot Fix

### Todos
* [ ] - Task

### What is the Jira issue?
N/A

### How should this be tested?
It can't be reproduced using docs dev mode. Needs to be tested with below steps.

```
1) build gh-pages (website) branch
JEKYLL_ENV=production bundle exec jekyll build
cp -r _site/ /tmp/zeppelin_website/
mkdir -p /tmp/zeppelin_website/docs/0.7.0-SNAPSHOT

2) build this patch (docs) and copy it under docs/0.7.0-SNAPSHOT of website
cd docs
bundle exec jekyll build --safe
cp -r _site/ /tmp/zeppelin_website/0.7.0-SNAPSHOT/

3) start httpserver and browse http://localhost:8000/docs/0.7.0-SNAPSHOT/
cd /tmp/zeppelin_website
python -m SimpleHTTPServer
```

### Screenshots (if appropriate)
**Before**
 - In the official website
<img width="938" alt="screen shot 2016-12-13 at 7 07 27 pm" src="https://cloud.githubusercontent.com/assets/10060731/21136061/72c230b6-c167-11e6-9805-12d6f11f3270.png">

```
GET http://zeppelin.apache.org/assets/themes/zeppelin/img/screenshots/display_formula.png 404 (Not Found)
```

**After**
 - test locally using same with production path
<img width="877" alt="screen shot 2016-12-13 at 7 09 42 pm" src="https://cloud.githubusercontent.com/assets/10060731/21136136/bbff660e-c167-11e6-9ed3-384e609886fe.png">

### Questions:
* Does the licenses files need update?
* Is there breaking changes for older versions?
* Does this needs documentation?

Author: AhyoungRyu <fbdkdud93@hanmail.net>

Closes #1752 from AhyoungRyu/fix-img-path and squashes the following commits:

4be330b [AhyoungRyu] Fix broken display_formula.png by using relative path

2016-12-13 16:03:29 -08:00

2.3 KiB

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layout	title	description	group
page	Basic Display System in Apache Zeppelin	There are 3 basic display systems in Apache Zeppelin. By default, Zeppelin prints interpreter responce as a plain text using text display system. With %html directive, Zeppelin treats your output as HTML. You can also simply use %table display system to leverage Zeppelin's built in visualization.	display

{% include JB/setup %}

Basic Display System in Apache Zeppelin

Text

By default, Apache Zeppelin prints interpreter response as a plain text using text display system.

You can explicitly say you're using text display system.

Html

With %html directive, Zeppelin treats your output as HTML

Mathematical expressions

HTML display system automatically formats mathematical expression using MathJax. You can use \$ INLINE EXPRESSION \$ and $$ EXPRESSION $$ to format. For example

Table

If you have data that row separated by \n (newline) and column separated by \t (tab) with first row as header row, for example

You can simply use %table display system to leverage Zeppelin's built in visualization.

If table contents start with %html, it is interpreted as an HTML.

Note : Display system is backend independent.

2.3 KiB Raw Blame History