In this Python Programming Tutorial, well be learning how to get the most popular videos in a YouTube playlist. I use scripts like this a lot personally when I dont have time to watch an entire playlist and want to only see the most-watched videos. Surprisingly YouTube doesnt have this ability on their site, but Python allows us to do this programmatically. Lets get started…
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This video is a crash course to help new users get started with BASH. Here is a list of the commands well cover:
BEGINNERS GUIDE TO THE BASH TERMINAL
NAVIGATION
ls — list directory contents
pwd — print name of current/working directory
cd — change working directory
pushd/popd — put working directory on a stack
file — determine file type
locate — find files by name
updatedb — update database for locate
which — locate a command
history — display bash command history
GETTING HELP
whatis — display the on-line manual descriptions
apropos — search the manual page names and descriptions
man — an interface to the on-line reference manuals
cat — concatenate files and print on the standard output
more/less — file perusal filter for crt viewing
nano — command line text editor
USERS
sudo — execute a command as superuser
su — change user ID or become another user
users — print the user names of users currently logged in
id — print real and effective user and group IDs
CHANGING FILE PERMISSIONS
chmod — change permissions of a file
KILLING PROGRAMS AND LOGGING OUT
Ctrl C — kill a running command
killall — kill processes by name
exit — log out of bash
USEFUL SHORTCUTS
Ctrl D — signal bash that there is no more input
Ctrl L — redraw the screen
Ctrl — make text bigger in terminal emulator
Ctrl — - make text smaller in terminal emulator
В этом занятии:
— Что нужно для работы установка
— Подключение
— Создание базы
— Вставка
— Insert one
— Insert many
— Выборки
— Find One
— Find Many
— Comparsion rules
— Query Projection
— Limit/Sort/Skip
— Aggregation
— Изменение
— Upsert
— Удаление
— Delete one
— Delete many
— Индексы
По любым вопросам, связанным с курсом можно писать на почту: okulov@rclass.pro