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--- python:pycon2013 [2013/03/17 12:27] – dblume
+++ python:pycon2013 [2023/04/12 20:44] (current) – external edit 127.0.0.1
@@ Line 20: / Line 20: @@
 >>> hex( int( bin( int( hashlib.md5( s ).hexdigest(), 16 ) )[2:len(s)+2], 2 ) )[2:]
 </code>
+===== TODO: contextual.io Challenge  =====
+[[http://www.contextual.io/pycon2013/122111021012022020120210111]]
+References:
+  * http://wordaligned.org/articles/steganography
+  * https://github.com/psibi/Rizzy/blob/master/stepic.py
 ===== Disney - Optimizing =====
@@ Line 25: / Line 35: @@
 [[http://davidschachter.com/|David Schachter]] presented a talk on program optimization.
 [[http://davidschachter.com/ds/PyCon_slides_public.pdf|His slides]] are available, too.
+There's an interesting slide where he forces a miss on the L1 cache to unblock threads when he's filling up an array, by not accessing sequential addresses.
+<code>
+x[1] = ...
+x[5] = ...
+x[10] = ...
+x[2] = ...
+x[6] = ...
+x[11] = ...
+...
+</code>
 ===== New Relic - Managing Python App Performance =====
@@ Line 50: / Line 72: @@
   # More stuff... https://code.google.com/p/google-api-python-client/downloads/list
-. Discovery
+.  [[http://goo.gl/cyY1U|Google Developers: Discovery API]]
-[[http://goo.gl/cyY1U]]
 ===== Lightning Talks =====
@@ Line 156: / Line 175: @@
 People often solve this problem with threads.
+===== Raspberry Pi Quick Notes =====
+<code>
+User: pi
+Password: raspberry
+$ startx
+$ raspi-config
+$ sudo shutdown -h now
+</code>
 ===== Random Python-related URLs =====