Python
code, ensuring the Directory is traversed in Python in order to find all requested models
import sys
sys.path.append("C: \\Users\\Anna\\Anaconda\\Modules")
How to prevent your module's user from running your code as ordinary file
import sys
if__name__ == "__main__":
print "Don't do that!"
sys exit ()
what stands PIP for?
Preferred installer Programm
what is PyPI?
The repository and stands for Python Package Index
it is referred to ss the Cheese shop
it is maintained by a working group, named packaging, working group and part of the python software foundation
How to list all programs?
pip list
how to update a package
-U package_name
how to install a selected version?
pip install package_name == package_version
note the double equal signs
code for Internationalisation
I18N
classic form of ASCII code
uses 8 bits for each sign: 265 different characters
the first 128 are for the alphabet
the other 128 ( code points) can be stored to specific national chatacters. such a concept is called code page
a code point is a number which makes a character.
ASCII consists of 128 code points
code point ?
a code point is a number which makes a character
unicode
unicode assigned unique characters - letters, hyphen, ideograms - into more than 1 million code points
UCS 4
ucs4 uses 33 bits to store each character.
a file using ucs4 encoded text may start with a BOM
BYTE ORDER MARK
an unprintable combination of bits, announcing the nature of the file's content
is a special combination of bits, announcing the encoding used by a file's contents eg UCS4 or UTF8
UTF8
UTF8 most commonly used
unicode transformation format
UTF8 uses as many bits for each of the code points as it really needs to represent them