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20140730-notes.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
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<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<title>Emacs Berlin July 2014</title>
<meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"/>
<meta name="title" content="Emacs Berlin July 2014"/>
<meta name="generator" content="Org-mode"/>
<meta name="generated" content="2014-08-06T13:43+0200"/>
<meta name="author" content="Arne Brasseur"/>
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<body>
<div id="preamble">
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<div id="content">
<h1 class="title">Emacs Berlin July 2014</h1>
<p><a href="https://mailb.org/pipermail/emacs-berlin/2014/000060.html">Mailing List Announcement</a> and <a href="https://github.com/emacs-berlin/emacs-berlin.org/issues/7">Github Issue</a>
</p>
<div id="table-of-contents">
<h2>Table of Contents</h2>
<div id="text-table-of-contents">
<ul>
<li><a href="#sec-1">1 People</a></li>
<li><a href="#sec-2">2 E-mail</a></li>
<li><a href="#sec-3">3 Agenda</a></li>
<li><a href="#sec-4">4 org-mode / org-babel / literate programming</a></li>
<li><a href="#sec-5">5 gnus</a></li>
<li><a href="#sec-6">6 LATeX</a></li>
</ul>
</div>
</div>
<div id="outline-container-1" class="outline-2">
<h2 id="sec-1"><span class="section-number-2">1</span> People</h2>
<div class="outline-text-2" id="text-1">
<p>
There are six of us \o/. Thank you Contentful and Ticketsolve for drinks and pizza, respectively.
</p>
</div>
</div>
<div id="outline-container-2" class="outline-2">
<h2 id="sec-2"><span class="section-number-2">2</span> E-mail</h2>
<div class="outline-text-2" id="text-2">
<p>
We start off with an impromptu discussion about doing email in Emacs. Til and Andy talked again a bit about not-much.
</p>
<p>
Apparently our Mailman based mailing list was added to gmane, so it can be accessed as a mailing list.
</p>
</div>
</div>
<div id="outline-container-3" class="outline-2">
<h2 id="sec-3"><span class="section-number-2">3</span> Agenda</h2>
<div class="outline-text-2" id="text-3">
<ul>
<li>usenet/newsgroups in emacs
</li>
<li>LATeX
</li>
<li>org-mode / org-babel / literate programming
</li>
<li>reset script
</li>
</ul>
</div>
</div>
<div id="outline-container-4" class="outline-2">
<h2 id="sec-4"><span class="section-number-2">4</span> org-mode / org-babel / literate programming</h2>
<div class="outline-text-2" id="text-4">
<p>
Demonstration of how to pass data from a list or table, into an org-mode code block, and
then pass the resulting data to a next code block, possibly in a different language.
</p>
<pre class="example">topics.sort.map {|x| [x, x.length]}
</pre>
<table border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup><col class="left" /><col class="right" />
</colgroup>
<tbody>
<tr><td class="left">LATeX</td><td class="right">5</td></tr>
<tr><td class="left">org-mode / org-babel / literate programming</td><td class="right">43</td></tr>
<tr><td class="left">reset script</td><td class="right">12</td></tr>
<tr><td class="left">usenet/newsgroups in emacs</td><td class="right">26</td></tr>
</tbody>
</table>
<pre class="example">echo $topics
</pre>
<p>
Somebody asked if it would be possible to include and run tests this way, let's try it:
</p>
<pre class="example">def foo(x)
x*x
end
require 'rspec/autorun'
describe 'foo' do
it 'should square' do
expect(foo(3)).to be 9
end
end
</pre>
<pre class="example">
Finished in 0.00061 seconds
1 example, 0 failures
</pre>
<p>
The interesting org-mode options here are :var, to pass values into variables, :results,
to determine how the output from the program should be treated, and :exports, to
determine if the code, results, or both are exported.
</p>
<p>
:results can take these values
</p>
<ul>
<li>silent
</li>
<li>output
</li>
<li>value
</li>
<li>table
</li>
<li>drawer
</li>
<li>replace
</li>
<li>append
</li>
<li>pp
</li>
<li>verbatim
</li>
<li>raw
</li>
<li>org
</li>
</ul>
<p>
:exports can be set to
</p>
<ul>
<li>code (usually default)
</li>
<li>results
</li>
<li>both
</li>
<li>none
</li>
</ul>
</div>
</div>
<div id="outline-container-5" class="outline-2">
<h2 id="sec-5"><span class="section-number-2">5</span> gnus</h2>
<div class="outline-text-2" id="text-5">
<p>
Everybody watched closely as we got a demo reading newsgroups,
mailing lists, rss feeds, all in gnus.
</p>
<p>
This led us on some tangents, we learned about Conkeror, the browser
that behaves like emacs, key bindings, org-capture integration, the
works. We founded out about <a href="http://doc.norang.ca/org-mode.html">the org-mode tutorial by Brent Hanson</a>,
which looks mighty promising.
</p>
<p>
Org-mode also has a companion app for mobile. It turned out some
people had used this before, but were happy to find out things
improve all the time and it's worth a second look.
</p>
</div>
</div>
<div id="outline-container-6" class="outline-2">
<h2 id="sec-6"><span class="section-number-2">6</span> LATeX</h2>
<div class="outline-text-2" id="text-6">
<p>
It's always interesting to see how people use emacs for different
applications. We got a demonstration of LATeX integration, looking
up references in BibTeX, previewing documents, and some little
editing tricks that make life easier.
</p>
<p>
Also interesting was to see someone who actively uses the menu bar,
which in this case seemed to make plenty of sense.
</p></div>
</div>
</div>
<div id="postamble">
<p class="date">Date: 2014-08-06T13:43+0200</p>
<p class="author">Author: Arne Brasseur</p>
<p class="creator"><a href="http://orgmode.org">Org</a> version 7.9.3f with <a href="http://www.gnu.org/software/emacs/">Emacs</a> version 24</p>
<a href="http://validator.w3.org/check?uri=referer">Validate XHTML 1.0</a>
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