updated presentations..

Author: PythonCHB

slides_sources/source/exercises/file_lab.rst

@@ -25,8 +25,12 @@ Paths and File Processing
   - advanced: make it work for any size file: i.e. don't read the entire
     contents of the file into memory at once.
 
-  - Note that if you want it to do any kind of file, you need to open the files in binary mode:
-    ``open(filename, 'rb')`` (or ``'wb'`` for writing.)
+  - This should work for any kind of file, so you need to open
+    the files in binary mode: ``open(filename, 'rb')`` (or ``'wb'`` for
+    writing). Note that for binary files, you can't use ``readline()`` --
+    lines don't have any meaning for binary files.
+
+  - Test it with both text and binrary files (maybe jpeg or??)
 
 
 File reading and parsing

slides_sources/source/session05.rst

@@ -721,11 +721,13 @@ Example
 LAB
 ===
 
-List comps exercises:
+Here is a nice tutorial on list comprehensions:
 
-:ref:`exercise_comprehensions`
+http://treyhunner.com/2015/12/python-list-comprehensions-now-in-color/
 
+List comps exercises:
 
+:ref:`exercise_comprehensions`
 
 
 
@@ -758,9 +760,9 @@ Material to review before next week:
 * Dive into Python: chapter 9:
   http://www.diveintopython3.net/unit-testing.html
 
-NOTE: you will find that most introductions to unit testing with Python use  the builtin ``unitest`` module. However, it is a bit heavyweight, and requires some knowledge of OOP -- classes, etc. So we'll be using pytest in this class: http://doc.pytest.org/en/latest/. But the principles of testing are the same.
+NOTE: you will find that most introductions to unit testing with Python use the builtin ``unitest`` module. However, it is a bit heavyweight, and requires some knowledge of OOP -- classes, etc. So we'll be using pytest in this class: http://doc.pytest.org/en/latest/. But the principles of testing are the same.
 
-* Ned Batchelder's into to testing presentation:
+* Ned Batchelder's intro to testing presentation:
 
   - http://nedbatchelder.com/text/test0.html