sqlobject-cvs Mailing List for SQLObject (Page 176)

SourceForge Headquarters 1320 Columbia Street Suite 310 San Diego, CA 92101 +1 (858) 422-6466

Author: ianb
Date: 2004-11-11 13:57:53 -0500 (Thu, 11 Nov 2004)
New Revision: 364

Modified:
   trunk/SQLObject/docs/presentation-2004-11/sqlobject-and-database-progr=
amming.html
   trunk/SQLObject/docs/presentation-2004-11/ui/custom.css
   trunk/SQLObject/docs/presentation-2004-11/ui/framing.css
   trunk/SQLObject/docs/presentation-2004-11/ui/pretty.css
Log:
Edits and visual updates


Modified: trunk/SQLObject/docs/presentation-2004-11/sqlobject-and-databas=
e-programming.html
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

--- trunk/SQLObject/docs/presentation-2004-11/sqlobject-and-database-prog=
ramming.html	2004-11-11 18:38:24 UTC (rev 363)
+++ trunk/SQLObject/docs/presentation-2004-11/sqlobject-and-database-prog=
ramming.html	2004-11-11 18:57:53 UTC (rev 364)
@@ -11,7 +11,7 @@
 <link rel=3D"stylesheet" href=3D"ui/print.css" type=3D"text/css"
 media=3D"print" id=3D"slidePrint" />
 <link rel=3D"stylesheet" href=3D"ui/custom.css" type=3D"text/css"/>
-<sc ript src=3D"ui/slides.js" type=3D"text/javascript"></script>
+<script src=3D"ui/slides.js" type=3D"text/javascript"></script>
 </head>
 <body>
=20
@@ -62,7 +62,7 @@
 <!-- =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D -->
=20
 <div class=3D"slide">
-<h1>Database Programming in Python</h1>
+<h1>The DB API</h1>
=20
 <p>Database programming in Python is based on the <b><a
 href=3D"http://www.python.org/peps/pep-0249.html">DB-API</a></b>.
@@ -72,11 +72,9 @@
 <li>MySQL</li>
 <li>PostgreSQL (multiple drivers)</li>
 <li>SQLite</li>
-<li>Oracle</li>
-<li>Sybase</li>
 <li>Firebird (Interbase)</li>
 <li>MAXDB (SAP DB)</li>
-<li>MS SQL Server</li>
+<li>Oracle, Sybase, MS SQL Server</li>
 </p>
 </div>
=20
@@ -109,7 +107,7 @@
 <h1>DB API</h1>
=20
 <ul>
-<li> Import the databse module (<code>MySQLdb</code>,
+<li> Import the database module (<code>MySQLdb</code>,
 <code>psycopg</code>, <code>sqlite</code>, etc) </li>
 <li> Use <code>module.connect(...)</code> to create a
 connection. </li>
@@ -194,12 +192,14 @@
=20
 <div class=3D"slide">
=20
-<h1>Object-Relational Mappers: Classes</h1>
+<h1>ORMs: Classes</h1>
=20
 <p>
=20
 The class:
=20
+<table width=3D"100%">
+<tr><td>
 <table border=3D1>
=20
 <tr class=3D"code-accent"><th colspan=3D3>person</th></tr>
@@ -225,14 +225,16 @@
 </tr>
=20
 </table>
-<p>
+</td>
=20
+<td>
 <pre>
 class Person(SQLObject):
     <span class=3D"comment"># id is implicit</span>
     first_name =3D StringCol()
     last_name =3D StringCol()
 </pre>
+</td></tr></table>
=20
 </div>
=20
@@ -241,12 +243,15 @@
=20
 <div class=3D"slide">
=20
-<h1>Object-Relational Mappers: Instances</h1>
+<h1>ORMs: Instances</h1>
=20
 <p>
=20
 An instance:
=20
+<table width=3D"100%">
+<tr><td>
+
 <table border=3D1>
=20
 <tr><th colspan=3D3>person</th></tr>
@@ -272,13 +277,17 @@
 </tr>
=20
 </table>
-<p>
=20
+</td><td>
+
 <pre>
-john =3D Person.get(1)
-assert john.first_name =3D=3D <span class=3D"string">'John'</span>
+<span class=3D"prompt">&gt;&gt;&gt;</span> john =3D Person.get(1)
+<span class=3D"prompt">&gt;&gt;&gt;</span> john.first_name
+<span class=3D"output">'John'</span>
 </pre>
=20
+</td></tr></table>
+</p>
=20
 </div>
=20
@@ -286,7 +295,7 @@
=20
=20
 <div class=3D"slide">
-<h1>Object-Relational Mapping: summary</h1>
+<h1>ORM: summary</h1>
=20
 <ul>
  <li>Every table is a class</li>
@@ -308,10 +317,32 @@
     first_name =3D StringCol()
     last_name =3D StringCol()
     emails =3D MultipleJoin('Email')
+</pre>
+
+</div>
+
+<!-- =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D -->
+
+
+<div class=3D"slide">
+<h1>Usage (classes)</h1>
+
+<pre>
 class Email(SQLObject):
     person =3D ForeignKey(<span class=3D"string">'Person'</span>)
     type =3D EnumCol(['home', 'work'])
     address =3D StringCol()
+</pre>
+
+</div>
+
+<!-- =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D -->
+
+
+<div class=3D"slide">
+<h1>Usage (creating tables)</h1>
+
+<pre>
 def createTables():
     for table in (Person, Email):
         table.createTable(ifNotExists=3DTrue)
@@ -322,7 +353,7 @@
 <!-- =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D -->
=20
 <div class=3D"slide">
-<h1>More use...</h1>
+<h1>Usage (instances)</h1>
=20
 Using your classes:
=20
@@ -332,6 +363,17 @@
 <span class=3D"prompt">...</span>     address=3D<span class=3D"string">'=
jo...@wo...'</span>)
 <span class=3D"prompt">&gt;&gt;&gt;</span> john.emails
 <span class=3D"output">[]</span>
+</pre>
+
+</div>
+
+<!-- =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D -->
+
+
+<div class=3D"slide">
+<h1>Usage (instances)</h1>
+
+<pre>
 <span class=3D"prompt">&gt;&gt;&gt;</span> tom =3D Person(first_name=3D<=
span class=3D"string">'Tom'</span>, last_name=3D<span class=3D"string">'J=
ones'</span>)
 <span class=3D"prompt">&gt;&gt;&gt;</span> tom is Person.get(tom.id)
 <span class=3D"output">True</span>
@@ -342,8 +384,6 @@
 </div>
=20
=20
-
-
 <!-- =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D -->
=20
=20
@@ -373,13 +413,17 @@
         return self.first_name + ' ' + self.last_name
 </pre>
=20
+<pre>
+<span class=3D"prompt">&gt;&gt;&gt;</span> tom.name
+<span class=3D"output">'Tom Jones'</span>
+</pre>
=20
 </div>
=20
 <!-- =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D -->
=20
 <div class=3D"slide">
-<h1></h1>
+<h1>Automatic properties</h1>
=20
 <ul>
 <li> <code>_get_attr()</code> methods are called whenever the
@@ -487,36 +531,38 @@
 <!-- =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D -->
=20
 <div class=3D"slide">
-<h1>Lazy classes</h1>
+<h1>Many-to-many...</h1>
=20
 <p>
-SQLObject can use reflection to figure out what columns your table
-has:
+The intermediate table created:
=20
 <pre>
-class Person(SQLObject):
-    _fromDatabase =3D True
+CREATE TABLE address_person (
+  address_id INT NOT NULL,
+  person_id INT NOT NULL
+);
 </pre>
-
 </p>
=20
 </div>
=20
 <!-- =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D -->
=20
-
 <div class=3D"slide">
-<h1>Many-to-many...</h1>
+<h1>Lazy classes</h1>
=20
 <p>
-The intermediate table created:
+SQLObject can use reflection to figure out what columns your table
+has:
=20
 <pre>
-CREATE TABLE address_person (
-  address_id INT NOT NULL,
-  person_id INT NOT NULL
-);
+class Person(SQLObject):
+    _fromDatabase =3D True
 </pre>
+
+You can start with <code>_fromDatabase =3D True</code> and add=20
+in explicit columns, overriding defaults.
+
 </p>
=20
 </div>
@@ -524,6 +570,7 @@
 <!-- =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D -->
=20
=20
+
 <div class=3D"slide">
 <h1>Instances</h1>
=20
@@ -542,12 +589,13 @@
 <h1>Updating</h1>
=20
 <ul>
-<li>Use <code>aPerson.first_name =3D <span
-class=3D"string">"new_name"</span></code></li>
-<li>Use <code>aPerson.set(first_name=3D<span
+<li><code>aPerson.first_name =3D <span
+class=3D"string">"new_name"</span></code><br>
+ <code class=3D"sql">UPDATE</code> is executed immediately </li>
+<li> Update multiple columns at once: <br>
+<code>aPerson.set(first_name=3D<span
 class=3D"string">"new_fname"</span>, last_name=3D<span
-class=3D"string">"new_lname"</span>)</code> for multiple simultaneous
-updates. </li>
+class=3D"string">"new_lname"</span>)</code>  </li>
 </ul>
=20
 </div>
@@ -580,7 +628,7 @@
 <p>
=20
 <ul>
-<li><code>Class.<b>q</b>.<i>column_name</i></code> creates a magical
+<li><code>Class.<b style=3D"color: #990000">q</b>.column_name</code> cre=
ates a magical
 object that creates queries.</li>
 <li><code>sqlrepr()</code> turns these query objects into SQL (mostly
 hidden)</li>
@@ -625,13 +673,13 @@
 <div class=3D"slide">
 <h1>SelectResult</h1>
=20
-Select results are fancy.
+Select results are more than just lists:
=20
 <ul>
 <li> You can slice them, and <code class=3D"sql">LIMIT</code> and <code
 class=3D"sql">OFFSET</code> statements are added to your query</li>
 <li> You can iterate through them, and avoid loading all objects into
-memory</li>
+memory </li>
 <li> You can do things like <code>select_result.count()</code> to run
 aggregate functions </li>
 <li> To get a real list, you must do <code>list(select_result)</code></l=
i>
@@ -673,16 +721,14 @@
=20
 <!-- =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D -->
=20
-
 <div class=3D"slide">
-<h1>Solving the question by avoidance</h1>
+<h1>The problem with ORMs</h1>
=20
-<ul>
- <li> SQLObject doesn't let you forget SQL </li>
- <li> You still have to think relationally </li>
- <li> But many relational concepts don't work either </li>
- <li> Advantage: it's easy </li>
-</ul>
+<p>
+ORMs live in the world between Object Oriented programmers (and
+programs) and Relational programmers (and programs).  Neither will be
+happy.
+</p>
=20
 </div>
=20
@@ -695,8 +741,6 @@
 <ul>
  <li> Python classes aren't tables</li>
  <li> Python instances aren't rows</li>
- <li> Primitive values (like <code class=3D"string">"John"</code>)
-  aren't part of the ORM at all </li>
 <ul>
=20
 </div>
@@ -711,7 +755,7 @@
  <li> Databases don't have inheritance </li>
  <li> Even when they do, no one uses it </li>
  <li> Some tables are too boring (e.g., intermediate tables for
- many-to-many relationships) </li>
+ many-to-many relationships), or don't warrant the overhead </li>
 </ul>
=20
 </div>
@@ -723,7 +767,8 @@
=20
 <ul>
  <li> Instances get garbage collected, rows are forever </li>
- <li> Instances can't be pre-allocated </li>
+ <li> Rows exist even when instances don't </li>
+ <li> Instances may still exist when the row is gone </li>
  <li> In the relational calculus, rows don't have real identity </li>
=20
 </div>
@@ -738,13 +783,29 @@
  <li> Things like joins don't make sense for objects, but are central
  to relations </li>
  <li> Views and stored procedures also don't make sense </li>
+ <li> Aggregate functions and set operations aren't natural in Python=20
+ (the <code>for</code> loop is natural) </li>
 </ul>
=20
 </div>
=20
 <!-- =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D -->
=20
+<div class=3D"slide">
+<h1>Solving the question by avoidance</h1>
=20
+<ul>
+ <li> SQLObject doesn't let you forget SQL </li>
+ <li> You still have to think relationally </li>
+ <li> But many relational concepts don't work either </li>
+ <li> Advantage: it's easy </li>
+</ul>
+
+</div>
+
+<!-- =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D -->
+
+
 <div class=3D"slide">
 <h1>Solving the Mismatch</h1>
=20
@@ -753,17 +814,50 @@
 <ul>
  <li> There exist database restrictions; not every database schema maps
  well.  (But most are fine) </li>
+ <li> Sometimes you have to do things more slowly or more imperatively,
+ compared to a purely relational technique </li>
  <li> There exist object restrictions; not every object-oriented
- concept maps well; e.g., no inheritance. </li>
+ concept maps well; e.g., no inheritance </li>
+ <li> Inheritance isn't planned; this isn't transparent persistence </li=
>
 </ul>
=20
 </div>
=20
 <!-- =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D -->
=20
+<div class=3D"slide">
+<h1>Some other alternatives</h1>
=20
+Several Python ORMs exist; contrasts:=20
+<ul>
+ <li> SQLObject doesn't try to be too OO, so it works well with normal=20
+ database schemas </li>
+ <li> SQLObject doesn't have a compile step </li>
+ <li> SQLObject isn't <i>just</i> a SQL wrapper </li>
+ <li> SQLObject is reasonably complete </li>
+</ul>
=20
 </div>
=20
+<!-- =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D -->
+
+
+<div class=3D"slide">
+<h1>Other alternatives...</h1>
+
+<p>
+
+See the Python Wiki at: <a href=3D"http://python.org/moin">python.org/mo=
in</a><br>
+The page is <a href=3D"http://python.org/moin/HigherLevelDatabaseProgram=
ming">HigherLevelDatabaseProgramming</a>.
+</p>
+
+</div>
+
+<!-- =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D -->
+
+
+
+</div>
+
 </body>
 </html>

Modified: trunk/SQLObject/docs/presentation-2004-11/ui/custom.css
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
--- trunk/SQLObject/docs/presentation-2004-11/ui/custom.css	2004-11-11 18=
:38:24 UTC (rev 363)
+++ trunk/SQLObject/docs/presentation-2004-11/ui/custom.css	2004-11-11 18=
:57:53 UTC (rev 364)
@@ -1,3 +1,7 @@
+td {
+  vertical-align: top;
+}
+
 .string {=20
   color: #006600;
 }
@@ -16,7 +20,7 @@
 }
=20
 .sql {=20
-  color: #006600;
+  color: #004466;
   font-weight: bold;
 }
=20

Modified: trunk/SQLObject/docs/presentation-2004-11/ui/framing.css
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
--- trunk/SQLObject/docs/presentation-2004-11/ui/framing.css	2004-11-11 1=
8:38:24 UTC (rev 363)
+++ trunk/SQLObject/docs/presentation-2004-11/ui/framing.css	2004-11-11 1=
8:57:53 UTC (rev 364)
@@ -4,15 +4,15 @@
     to help you with the rearrangement process. */
=20
 div#header, div#footer, div.slide {width: 100%; top: 0; left: 0;}
-div#header {top: 0; height: 3em; z-index: 1;}
-div#footer {top: auto; bottom: 0; height: 2.5em; z-index: 5;}
+div#header {top: 0; height: 2em; z-index: 1;}
+div#footer {top: auto; bottom: 0; height: 1.75em; z-index: 5;}
 div.slide {top: 0; width: 92%; padding: 3.5em 4% 4%; z-index: 2;}
 div#controls {left: 50%; top: 0; width: 50%; height: 100%; z-index: 1;}
 #footer>div#controls {bottom: 0; top: auto; height: auto;}
=20
 div#controls form {position: absolute; bottom: 0; right: 0; width: 100%;
   margin: 0;}
-#currentSlide {position: absolute; width: 10%; left: 45%; bottom: 1em; z=
-index: 10;}
+#currentSlide {position: absolute; width: 10%; left: 45%; bottom: 1.5em;=
 z-index: 10;}
 html>body #currentSlide {position: fixed;}
=20
 /*

Modified: trunk/SQLObject/docs/presentation-2004-11/ui/pretty.css
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
--- trunk/SQLObject/docs/presentation-2004-11/ui/pretty.css	2004-11-11 18=
:38:24 UTC (rev 363)
+++ trunk/SQLObject/docs/presentation-2004-11/ui/pretty.css	2004-11-11 18=
:57:53 UTC (rev 364)
@@ -2,7 +2,8 @@
    Note that the 'body' font size may have to be changed if the resoluti=
on is
     different than expected. */
=20
-body {background: #fff url(bodybg.gif) -16px 0 no-repeat; color: #000; f=
ont-size: 2em;}
+/* url(bodybg.gif) */
+body {background: #fff -16px 0 no-repeat; color: #000; font-size: 2em;}
 :link, :visited {text-decoration: none;}
 #controls :active {color: #88A !important;}
 #controls :focus {outline: 1px dotted #227;}
@@ -31,17 +32,17 @@
 ul ul li {margin: .2em; font-size: 85%; list-style: square;}
 img.leader {display: block; margin: 0 auto;}
=20
-div#header, div#footer {background: #005; color: #AAB;
+div#header, div#footer {background: #005; color: #BBC;
   font-family: Verdana, Helvetica, sans-serif;}
-div#header {background: #005 url(bodybg.gif) -16px 0 no-repeat;
+div#header {background: #005 -16px 0 no-repeat;
   line-height: 1px;}
 div#footer {font-size: 0.5em; font-weight: bold; padding: 1em 0;}
 #footer h1, #footer h2 {display: block; padding: 0 1em;}
 #footer h2 {font-style: italic;}
=20
 div.long {font-size: 0.75em;}
-.slide h1 {position: absolute; top: 0.7em; left: 87px; z-index: 1;
-  margin: 0; padding: 0.3em 0 0 50px; white-space: nowrap;
+.slide h1 {position: absolute; top: 0.0em; left: 0px; z-index: 1;
+  margin: 0; padding: 0.3em 0 0 10px; white-space: nowrap;
   font: bold 150%/1em Helvetica, sans-serif; text-transform: capitalize;
   color: #DDE; background: #005;}
 .slide h3 {font-size: 130%;}
@@ -54,13 +55,13 @@
   top: auto; height: auto;}
 div#controls form {position: absolute; bottom: 0; right: 0; width: 100%;
   margin: 0; padding: 0;}
-div#controls a {font-size: 2em; padding: 0; margin: 0 0.5em;=20
+div#controls a {font-size: 1.7em; padding: 0; margin: 0 0.5em;=20
   background: #005; border: none; color: #779;=20
   cursor: pointer;}
 div#controls select {visibility: hidden; background: #DDD; color: #227;}
 div#controls div:hover select {visibility: visible;}
=20
-#currentSlide {text-align: center; font-size: 0.5em; color: #449;}
+#currentSlide {text-align: center; font-size: 0.5em; color: #77B;}
=20
 #slide0 {padding-top: 3.5em; font-size: 90%;}
 #slide0 h1 {position: static; margin: 1em 0 1.33em; padding: 0;





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