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robbielynch/IErlang_Project_Demo

Created April 30, 2014 10:20
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{
"metadata": {
"name": "",
"signature": "sha256:08250657796be295d72c628fd79fb4af4994ef463c8871d83ee7f5a91bd5ad96"
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"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"<div align='center'>\n",
" <img src=\"http://i.imgur.com/7rr6Tbr.png\" title=\"IErlang Notebook\" width='70%'/>\n",
" \n",
" <hr />\n",
" \n",
" <img src='http://media.kclr96fm.com/media/it-carlow-logo.jpg' width='250' height='250'/> \n",
" <h3 color='#525252'>INSTITUTE OF TECHNOLOGY, CARLOW</h3>\n",
" \n",
" <hr />\n",
" \n",
" <h3 color='#525252'> Developed By **Robbie Lynch** </h3>\n",
" <h3 color='#525252'>Supervised By **Paul Barry**</h3>\n",
" \n",
" <hr />\n",
" \n",
"</div>\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#1. Cells"
]
},
{
"cell_type": "raw",
"metadata": {},
"source": [
"This is a cell\n",
"\n",
"This is where we edit and execute erlang, HTML and Markdown code."
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"----"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#2. Operating System Commands\n",
">Just prepend `;;` before the command\n",
"\n",
"---"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
";;pwd"
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"<pre>/home/robbie/dev/ierlang/src<br /></pre>"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 1,
"text": [
"/home/robbie/dev/ierlang/src\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "code",
"collapsed": false,
"input": [
";;date"
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"<pre>Tue Apr 29 15:12:41 BST 2014<br /></pre>"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 2,
"text": [
"Tue Apr 29 15:12:41 BST 2014\n"
]
}
],
"prompt_number": 2
},
{
"cell_type": "code",
"collapsed": false,
"input": [
";;ls *.erl"
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"<pre>code_manager.erl<br />control_server.erl<br />greetings.erl<br />heartbeat_server.erl<br />ipython_kernel.erl<br />lynch.erl<br />message_builder.erl<br />message_parser.erl<br />message_sender.erl<br />mochijson2.erl<br />mochinum.erl<br />restrictions.erl<br />robbie.erl<br />sandbox.erl<br />shell_server.erl<br />uuid.erl<br />zmq_manager.erl<br /></pre>"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 3,
"text": [
"code_manager.erl\n",
"control_server.erl\n",
"greetings.erl\n",
"heartbeat_server.erl\n",
"ipython_kernel.erl\n",
"lynch.erl\n",
"message_builder.erl\n",
"message_parser.erl\n",
"message_sender.erl\n",
"mochijson2.erl\n",
"mochinum.erl\n",
"restrictions.erl\n",
"robbie.erl\n",
"sandbox.erl\n",
"shell_server.erl\n",
"uuid.erl\n",
"zmq_manager.erl\n"
]
}
],
"prompt_number": 3
},
{
"cell_type": "code",
"collapsed": false,
"input": [
";;ping -c 5 google.com"
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"<pre>PING google.com (74.125.24.139) 56(84) bytes of data.<br />64 bytes from de-in-f139.1e100.net (74.125.24.139): icmp_req=1 ttl=52 time=4.09 ms<br />64 bytes from de-in-f139.1e100.net (74.125.24.139): icmp_req=2 ttl=52 time=4.12 ms<br />64 bytes from de-in-f139.1e100.net (74.125.24.139): icmp_req=3 ttl=52 time=4.09 ms<br />64 bytes from de-in-f139.1e100.net (74.125.24.139): icmp_req=4 ttl=52 time=4.11 ms<br />64 bytes from de-in-f139.1e100.net (74.125.24.139): icmp_req=5 ttl=52 time=4.10 ms<br /><br />--- google.com ping statistics ---<br />5 packets transmitted, 5 received, 0% packet loss, time 4005ms<br />rtt min/avg/max/mdev = 4.092/4.104/4.121/0.071 ms<br /></pre>"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 4,
"text": [
"PING google.com (74.125.24.139) 56(84) bytes of data.\n",
"64 bytes from de-in-f139.1e100.net (74.125.24.139): icmp_req=1 ttl=52 time=4.09 ms\n",
"64 bytes from de-in-f139.1e100.net (74.125.24.139): icmp_req=2 ttl=52 time=4.12 ms\n",
"64 bytes from de-in-f139.1e100.net (74.125.24.139): icmp_req=3 ttl=52 time=4.09 ms\n",
"64 bytes from de-in-f139.1e100.net (74.125.24.139): icmp_req=4 ttl=52 time=4.11 ms\n",
"64 bytes from de-in-f139.1e100.net (74.125.24.139): icmp_req=5 ttl=52 time=4.10 ms\n",
"\n",
"--- google.com ping statistics ---\n",
"5 packets transmitted, 5 received, 0% packet loss, time 4005ms\n",
"rtt min/avg/max/mdev = 4.092/4.104/4.121/0.071 ms\n"
]
}
],
"prompt_number": 4
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"---\n",
"#3. Erlang Code\n",
"---\n",
"###3.1 Erlang Expressions"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"1000 * 2."
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"2000"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 5,
"text": [
"2000"
]
}
],
"prompt_number": 5
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"99 div 5. %%integer division"
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"19"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 6,
"text": [
"19"
]
}
],
"prompt_number": 6
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"99/5. %%float division"
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"19.8"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 7,
"text": [
"19.8"
]
}
],
"prompt_number": 7
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\"hello, \" ++ \"world\"."
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"<pre>hello, world</pre>"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 8,
"text": [
"hello, world"
]
}
],
"prompt_number": 8
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"[1,2,3,4] ++ [5,6,7,8]."
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"[1, 2, 3, 4, 5, 6, 7, 8]"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 9,
"text": [
"[1, 2, 3, 4, 5, 6, 7, 8]"
]
}
],
"prompt_number": 9
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"2#11111111."
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"255"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 10,
"text": [
"255"
]
}
],
"prompt_number": 10
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"'This is an atom with spaces'."
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"<pre>'This is an atom with spaces'</pre>"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 11,
"text": [
"'This is an atom with spaces'"
]
}
],
"prompt_number": 11
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"atom_with_no_spaces."
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"<pre>atom_with_no_spaces</pre>"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 12,
"text": [
"atom_with_no_spaces"
]
}
],
"prompt_number": 12
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"{tuples, are, great, {and_so, are, nested, {tuples}}}."
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"<pre>{tuples,are,great,{and_so,are,nested,{tuples}}}</pre>"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 13,
"text": [
"{tuples,are,great,{and_so,are,nested,{tuples}}}"
]
}
],
"prompt_number": 13
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"###3.2 Built in Functions"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"lists:reverse([1,2,3,4,5,6,7,8,9,10])."
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"[10, 9, 8, 7, 6, 5, 4, 3, 2, 1]"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 14,
"text": [
"[10, 9, 8, 7, 6, 5, 4, 3, 2, 1]"
]
}
],
"prompt_number": 14
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"is_binary(<<\"Hello\">>)."
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"<pre>true</pre>"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 15,
"text": [
"true"
]
}
],
"prompt_number": 15
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"math:pow(2,10)."
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"1024.0"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 16,
"text": [
"1024.0"
]
}
],
"prompt_number": 16
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"node()."
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"<pre>nonode@nohost</pre>"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 17,
"text": [
"nonode@nohost"
]
}
],
"prompt_number": 17
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"list_to_binary(\"Hello, World\")."
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"<pre><<\"Hello, World\">></pre>"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 18,
"text": [
"<<\"Hello, World\">>"
]
}
],
"prompt_number": 18
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"###3.3 Variable Bindings"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"erlang:localtime()."
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"<pre>{{2014,4,29},{15,13,27}}</pre>"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 19,
"text": [
"{{2014,4,29},{15,13,27}}"
]
}
],
"prompt_number": 19
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"{{Year, Month, Day},{Hour, Minute, Seconds}} = erlang:localtime()."
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"<pre>{{2014,4,29},{15,13,28}}</pre>"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 20,
"text": [
"{{2014,4,29},{15,13,28}}"
]
}
],
"prompt_number": 20
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"Year."
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"2014"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 21,
"text": [
"2014"
]
}
],
"prompt_number": 21
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"Month."
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"4"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 22,
"text": [
"4"
]
}
],
"prompt_number": 22
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"Day."
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"29"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 23,
"text": [
"29"
]
}
],
"prompt_number": 23
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"MyNumber = 99."
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"99"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 24,
"text": [
"99"
]
}
],
"prompt_number": 24
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"Answer = MyNumber + Year."
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"2113"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 25,
"text": [
"2113"
]
}
],
"prompt_number": 25
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"###3.4 Errors\n",
"When things go wrong, we can see what the problem was."
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"E1 = 888 div 33.3333."
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"<pre>badarith</pre>"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 26,
"text": [
"badarith"
]
}
],
"prompt_number": 26
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"{{Year, Month, Day},{Hour, Minute, Seconds}} = erlang:localtime()."
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"<pre>{badmatch,{{2014,4,29},{15,13,57}}}</pre>"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 27,
"text": [
"{badmatch,{{2014,4,29},{15,13,57}}}"
]
}
],
"prompt_number": 27
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"Year = 0.1."
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"<pre>{badmatch,0.1}</pre>"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 28,
"text": [
"{badmatch,0.1}"
]
}
],
"prompt_number": 28
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"made_up_module:get_something()."
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"<pre>undef</pre>"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 29,
"text": [
"undef"
]
}
],
"prompt_number": 29
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"this line will throw an error"
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"<pre>{badmatch,{error,{1,erl_parse,[\"syntax error before: \",\"line\"]}}}</pre>"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 30,
"text": [
"{badmatch,{error,{1,erl_parse,[\"syntax error before: \",\"line\"]}}}"
]
}
],
"prompt_number": 30
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"---\n",
"#4. Erlang Modules\n",
"---"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"###4.1 Creating Modules"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"-module(robbie).\n",
"-export([\n",
" my_favorite_numbers/0, \n",
" unlucky_number/0\n",
"]).\n",
"\n",
"%%Return Robbie's favorite numbers\n",
"my_favorite_numbers()->\n",
" [1, 2, 3, 4, 5].\n",
"\n",
"%%Return Robbie's unlucky number\n",
"unlucky_number()->\n",
" ((278346287 * 98324928374) - (829437 * 3476) - (27368378729560724309 + (2 * 2)))."
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"<pre>Successfully Compiled</pre>"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 31,
"text": [
"Successfully Compiled"
]
}
],
"prompt_number": 31
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
">After execution, the module is saved and compiled.\n",
"\n",
">The result of the compilation is then shown to the user."
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"###4.2 Introducing errors and warnings to erlang modules"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"-module(greetings).\n",
"-export([\n",
" hello/0, \n",
" goodbye/0\n",
"]).\n",
"\n",
"hello()->\n",
"%%%%%%%%%%%THIS IS WHERE THE ERROR IS%%%%%%%%%%%%%\n",
"\n",
"goodbye()->\n",
"\"Goodbye\"."
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"<pre>greetings.erl:10: syntax error before: '->'<br />greetings.erl:2: function goodbye/0 undefined<br />greetings.erl:2: function hello/0 undefined<br /></pre>"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 32,
"text": [
"greetings.erl:10: syntax error before: '->'\n",
"greetings.erl:2: function goodbye/0 undefined\n",
"greetings.erl:2: function hello/0 undefined\n"
]
}
],
"prompt_number": 32
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"###4.3 Module Execution"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
">We can also execute the exported functions of each compiled module."
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"robbie:my_favorite_numbers()."
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"[1, 2, 3, 4, 5]"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 33,
"text": [
"[1, 2, 3, 4, 5]"
]
}
],
"prompt_number": 33
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"robbie:unlucky_number()."
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"13"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 34,
"text": [
"13"
]
}
],
"prompt_number": 34
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"lists:reverse(robbie:my_favorite_numbers() ++ lists:sort([4,3,56456,23,hello,454,656,324,45,5,65]))."
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
"[u'hello', 56456, 656, 454, 324, 65, 45, 23, 5, 4, 3, 5, 4, 3, 2, 1]"
],
"metadata": {},
"output_type": "pyout",
"prompt_number": 35,
"text": [
"[u'hello', 56456, 656, 454, 324, 65, 45, 23, 5, 4, 3, 5, 4, 3, 2, 1]"
]
}
],
"prompt_number": 35
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"---\n",
"#5. Multiple notebooks \n",
"* ###Running on separate kernel processes \n",
"* ###On one server\n",
"\n",
"---"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#6. Rendering Latex in IErlang Notebook"
]
},
{
"cell_type": "raw",
"metadata": {},
"source": [
"We can render latex.\n",
"For example, we can render the following:\n",
"\n",
"$$\\frac{dy}{dx}=\\frac{y_{2}-y_{1}}{x_2{2}-x_{1}}$$"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"$\\frac{dy}{dx}=\\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"$$\\frac{dy}{dx}=\\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$$\n",
"\n",
"---"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#7. View Notebooks on IPython's NBViewer\n",
"---\n",
"* Save notebook as a gist on Github\n",
"* Go to [nbviewer](http://nbviewer.ipython.org/) \n",
"* Paste gist URL into page and press ***GO***\n",
"* [View This Notebook In NBViewer]()"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"---\n",
"#8. Convert notebooks into HTML, PDF and even Slideshows.\n",
"---\n",
"###8.1 Demo slide show for Joe's erlang notes"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Create slides and host on your localhost server:\n",
"```\n",
"ipython nbconvert Joe.ipynb --to slides --post serve\n",
"```"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"---\n",
"#9. Demo IErlang Console\n",
"---"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"---\n",
"#10. Demo RESTRICTED_MODE\n",
"---\n",
"* Set the `RESTRICTED_MODE` macro in **ierlang/src/code_manager.erl** to **true**\n",
"* Start IErlang"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"---\n",
"#11. Other Cool Stuff\n",
"---"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"###11.1 Youtube"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"<iframe width=\"640\" height=\"390\" src=\"//www.youtube.com/embed/XI7S2NwFPOE\" frameborder=\"0\" allowfullscreen></iframe>"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"###11.2 Spotify"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"<iframe src=\"https://embed.spotify.com/?uri=spotify:track:1iXBApi39l5r6lJj9WEXXS\" width=\"300\" height=\"380\" frameborder=\"0\" allowtransparency=\"true\"></iframe>"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"###11.3 Embed anything inside IErlang Notebook\n",
"#####Even the Erlang Documentation"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"<iframe src=\"http://www.erlang.org/doc/\" width=\"100%\" height=\"600\" frameborder=\"0\" allowtransparency=\"true\"></iframe>"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"***\n",
"#12. Questions?\n",
"***"
]
}
],
"metadata": {}
}
]
}
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