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

check for pip version

pip --version

check pip for help

pip help

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