Learning content
this week to learn a variety of hexadecimal numbers, as well as convert between various band includes two special conversion between 8, 16 and with a decimal multiplication and division to transform into the other in textbooks system. In the third chapter, we learn various representation methods, and complement this method, various encoding methods, audio, image representation. Also learned a variety of formats such as mp3 JPLEG, and a new term such as vector keyframe
The code debugging problems and solutions
Total cards in one place can not get output during base64 python programming
Solution: After I hit the Internet search found that the code is then applied to python2 version
After encode ( 'utf-8') plus enough for the python3
problems encountered in textbooks
for complement notation and negative handled badly
solution
reading material, ask the students.