=====online cocktail napkin=====
""<small>links and notes for later organization</small>"">>[[CocktailNapkin2011 2011 Napkin]]
[[CocktailNapkin2010 2010 Napkin]]
[[CocktailNapkin2009 2009 Napkin]]
[[CocktailNapkin2008 2008 Napkin]]
[[CocktailNapkin2007 2007 Napkin]]
SpecialReading
WordsIReallyLike
ThumbDrive
[[CocktailQuestions Questions for Strangers]]>>

**Python Inheritance**
%%(python)


class Reveal(object):
def __repr__(self):
return "<%s %s>" % (self.__class__.__name__, self.__dict__)

class Yin(Reveal):
def __init__(self, yin=100):
self.yin = yin
self.lightness = True
self.darkness = False
self.balance = False


class Yan(Reveal):
def __init__(self, yan=100):
self.yan = yan
self.lightness = False
self.darkness = True
self.balance = False

class YinYan(Yin, Yan):
def __init__(self, yin, yan):
Yin.__init__(self, yin)
Yan.__init__(self, yan)
self.balance = True


yin = Yin(50)
yan = Yan(50)
yinyan = YinYan(50, 50)

print yin
print yan
print yinyan

# Prints
<Yin {'balance': False, 'yin': 50, 'lightness': True, 'darkness': False}>
<Yan {'balance': False, 'yan': 50, 'lightness': False, 'darkness': True}>
<YinYan {'balance': True, 'yin': 50, 'lightness': False, 'darkness': True, 'yan': 50}>
%%

**Send Email through Gmail with Python**
%%(python)
"""
Send an email programmatically through Gmail.

REFERENCES
http://snippets.dzone.com/posts/show/757
http://www.nixtutor.com/linux/send-mail-through-gmail-with-python/
http://stackoverflow.com/questions/399129/#comment8985407_399240
"""
import smtplib
from email.MIMEMultipart import MIMEMultipart
from email.MIMEBase import MIMEBase
from email.MIMEText import MIMEText
from email.Utils import COMMASPACE, formatdate
from email import Encoders
import os
from os.path import abspath, dirname, join

SMTP_SERVER = 'smtp.gmail.com:587'
SMTP_USER = 'USER@gmail.com'
SMTP_PASS = 'PASS'
EMAIL_FROM = 'USER <%s>' % (SMTP_USER)

def send_gmail(to, subject, text, files=[]):
assert type(to) == list
assert type(files) == list
from_ = EMAIL_FROM

msg = MIMEMultipart()
msg['From'] = EMAIL_FROM
msg['To'] = COMMASPACE.join(to)
msg['Date'] = formatdate(localtime=True)
msg['Subject'] = subject

msg.attach( MIMEText(text) )

for file in files:
part = MIMEBase('application', "octet-stream")
part.set_payload( open(file,"rb").read() )
Encoders.encode_base64(part)
part.add_header('Content-Disposition', 'attachment; filename="%s"'
% os.path.basename(file))
msg.attach(part)

smtp = smtplib.SMTP(SMTP_SERVER)
#smtp.set_debuglevel(1)
smtp.ehlo() # apparently this is required in python 2.5
smtp.starttls()
smtp.login(SMTP_USER, SMTP_PASS)
smtp.sendmail(from_, to, msg.as_string() )
smtp.close()


def test_email():
to = 'YOUR_RECEPIENT@some_domain.com'
subject = "Python Gmail Test"
text = 'This is simply a test.'
send_gmail([to], subject, text)
print 'simple test complete'
%%

**Method Decorator**
%%(python)
def check_some_flag(method):
def wrapper(self, *args, **kwargs):
if not self.some_flag:
raise Exception("some_flag not set")
else:
result = method(self, *args, **kwargs)
return result
return wrapper
%%

**Find Equation for Set of Points**
[[https://www.google.com/search?hl=en&output=search&sclient=psy-ab&q=python+find+equation&btnK= python find roots of equation]]
%%(python)
>>> import numpy
>>> x = [1,50,99]
>>> y = [2,1,0.5]
>>> a,b,c = numpy.polyfit(x,y,2)
>>> f = lambda x: a*x**2 + b*x + c
>>> f(1)
2.0
>>> f(20)
1.5528946272386506
>>> f(50)
1.0000000000000002
>>> f(90)
0.55435235318617249
>>> f(100)
0.49500208246563937
>>> f(99)
0.5
%%

Verizon Opt-Out Site: http://www.vzw.com/myprivacy

**Somewhat Improved Wikka Installer Routine**
Diff for wikka.php:
%%
diff -r c8f8537f5e21 -r 4e091af5eacf php/wikka/wikka.php
--- a/php/wikka/wikka.php Tue Jan 17 10:01:24 2012 -0800
+++ b/php/wikka/wikka.php Tue Jan 17 11:43:38 2012 -0800
@@ -509,11 +509,15 @@

/**
* Compare versions, start installer if necessary.
+ * Wait to start installer below if this is an upgrade so we can limit access
+ * to admin users.
*/
-if (!isset($wakkaConfig['wakka_version'])) $wakkaConfig['wakka_version'] = 0;
-if ($wakkaConfig['wakka_version'] !== WAKKA_VERSION)
-{
- /**
+$is_new_install = ! isset($wakkaConfig['wakka_version']);
+$is_upgrade = $wakkaConfig['wakka_version'] !== WAKKA_VERSION;
+
+if ( $is_new_install ) {
+ $wakkaConfig['wakka_version'] = 0;
+ /**
* Start installer.
*
* Data entered by the user is submitted in $_POST, next action for the
@@ -590,6 +594,7 @@
exit;
}

+
/**
* Save session ID
*/
@@ -611,6 +616,39 @@
}

/**
+ * Check for upgrade. If so an user is admin, show setup page, else show
+ * a maintenance message to all other visitors.
+ */
+$is_admin = $wakka->IsAdmin($user);
+$at_install_step = ($_GET['installAction'] == 'writeconfig') && (isset($_POST['config']));
+$upgrade_allowed = $is_admin || $at_install_step;
+
+if ( $is_upgrade && $upgrade_allowed ) {
+ $installAction = 'default';
+ if (isset($_GET['installAction'])) $installAction = trim($_GET['installAction']); #312
+ if (file_exists('setup'.DIRECTORY_SEPARATOR.'header.php'))
+ include('setup'.DIRECTORY_SEPARATOR.'header.php'); else print '<em class="error">'.ERROR_SETUP_HEADER_MISSING.'</em>'; #89
+ if
+ (file_exists('setup'.DIRECTORY_SEPARATOR.$installAction.'.php'))
+ include('setup'.DIRECTORY_SEPARATOR.$installAction.'.php'); else print '<em class="error">'.ERROR_SETUP_FILE_MISSING.'</em>'; #89
+ if (file_exists('setup'.DIRECTORY_SEPARATOR.'footer.php'))
+ include('setup'.DIRECTORY_SEPARATOR.'footer.php'); else print '<em class="error">'.ERROR_SETUP_FOOTER_MISSING.'</em>'; #89
+ exit;
+}
+elseif ( $is_upgrade && $_GET['install_help'] ) {
+ print "<h2> POST,GET, SESSION variables</h2>";
+ print '<pre>';
+ var_dump($_POST);
+ var_dump($_GET);
+ var_dump($_SESSION);
+ print '</pre>';
+}
+elseif ( $is_upgrade ) {
+ die('<h2>Site Undergoing Temporary Maintenance</h2><h4>Please check back shortly.</h4>');
+}
+
+
+/**
* Run the engine.
*/
if (!isset($handler)) $handler='';
%%

**IKEA Stand-Up Desks**
http://news.ycombinator.com/item?id=3442809
http://www.ikea.com/us/en/catalog/products/00115992/
http://www.ikea.com/us/en/catalog/products/60111123/
----

[[CategorySpecial]]