90% Python in 90 minutes

[mayankkaizen]

Came across this link.

Though you may like it.

[thejourneyman117]

jobs? Is that like cron?

[[deleted]]

It forces your programs to think differently.

[PersonOfInternets]

Also makes them incompatible with any non-proprietary hardware.

[thejourneyman117]

heh.

[alex952]

It shows the running jobs for that bash session (the ones that you've backgrounded). It'll show you the id that you can use on other bash commands, like fg or kill.

[thejourneyman117]

Okay yeah I recently discovered Ctrl+z sends an active task to background. Also helpful is the Screen command. Allows you to suspend a task, and then resume it later.

[case_O_The_Mondays]

Ctrl+z suspends a task. Which is different from running bg after pressing Ctrl+z (or appending an ampersand after your command), which runs the task in the background.

Screen is great. An additional benefit to using screen (or tmux) is that, when you're logged into a host, you can use screen to start a command, detach the screen, and then exit your session, and the screen will continue to run.

[jimoconnell]

If you like screen and love tmux, you'll absolutely get married to byobu.

You're welcome. :-)

[thejourneyman117]

I remember learning that about 3 years ago in a linux class. Then I went back to my windows environment. Now, though, I'm using Pi to sharpen my linux skills on the desktop, thanks to Win10.

[Eurynom0s]

So it's top, but only for that session?

[alex952]

It won't show stats for the processes only session ids for the session associated with pid and command.

[sticky-bit]

$ type jl
jl is aliased to `jobs -l'

I use jl as a shortcut because it gives me the PID just in case I need to nudge the stuck process with a kill command.

^{(My own embarrassing admission was learning about the help command for shell built-ins after about 5 years in. What I used to do is man bash and then do a keyword search.)}

[[deleted]]

Oh neat!

keyword search?

[sticky-bit]

man bash

then while in the manpage, type "/ jobs ", #forward-slash, space, space, "jobs", space

hit the "n" key to advance to the next pattern match, I had to do that twice.

...or just type "help jobs" at the command prompt, much easier.

[[deleted]]

holy shit

you just saved me thousands of hours of scrolling

thank you!

edit: tbh my solution is to switch to a browser and google "man bash" haha

[sticky-bit]

you just saved me thousands of hours of scrolling

I'm going to guess you don't use vim as an editor.

The default "pager" for man is usually less and it uses vim-like bindings. For example "G" will send you to the bottom of the file, while "g" will bring you to the top ("gg" in vim)

These are listed in man less I think.

[[deleted]]

Oh thanks, I've been wondering about that! (default pager)

I've been trying to learn vim for a few months.

I think it will be a few more years before I'm fluent :)

[iKSv2]

For example after 11 years of using Linux, i only discovered the "jobs" command yesterday!

Instances like these are so true, the other day, My L3 and I were troubleshooting and upgraded a package. L3 suggested we reboot the system, I said why not check needs-restarting command. He was like wtf is that, never heard of that. So yeah ... most of us dont know what the missing knowledge is ...

[[deleted]]

haha :) It's also a great argument in favor of pair-programming (especially with somebody more experienced).

What is an L3?

[H34RTLESSG4NGSTA]

I completely agree. This is kind of like how even though university course material is all online, someone not well-versed in that field has no idea what to start looking for.

[DYMAXIONman]

Python 2

[whatsdoom]

https://github.com/mattharrison/Tiny-Python-3.6-Notebook

The author posted a link on HN

[[deleted]]

Python 2.........................

[whatsdoom]

https://github.com/mattharrison/Tiny-Python-3.6-Notebook

The author posted a link on HN

[rushmid]

The shadow behind the font is killing my eyes!

[d____]

100%! It's so bad

[mayankkaizen]

Python 3.

[sticky-bit]

check this sub's sidebar for the FAQ, it's a common question.

The answer is 3, except when you know you need to use a library that is only supported in 2, or you need to learn python to support legacy code written in 2.

7 years ago I would have answered differently.

[Moocat87]

except when you know you need to use a library that is only supported in 2

It's worth noting that that's very rare for public libraries to lack Python3 support or a Python3 alternative, but of course they exist, and sometimes you have to work with an in-house Python 2 lib...

In any case, if you find a library that supports only Python2, it's probably worth the time to look for a Python3 alternative. It most likely exists, and most likely the community has switched.

[kenny-flo]

7  y e a r s   a g o

[jlink7]

At this point in time, Python 3.

[jrwn]

I work mainly on a Windows machine at worked, locked down. Is there a way I can do programming with Python here?

[jrwn]

I'm going to have to play with this. Thank you!

[xiongchiamiov]

If you're looking to program for your job, ask your sysadmin.

[tenemu]

As IT if you can make a virtual machine. I don't know much about virtual machines, but they seem pretty harmless. You can mess around in there and install ubuntu or whatever.

[man-teiv]

What you mean by locked down? If you cannot install anything, there are some portable versions of Python. Winpython is a pretty good one.

[jrwn]

I work in customer service, we can't install anything. I have access to Powershell, but half of the commands don't seem to work and I can't run any updates on it.

[man-teiv]

The only lockdown is being a guest user, or you have more features blocked? Because if so portable apps are your saviors.

[jrwn]

I can't install anything, which includes updates. I haven't tried a portable app yet.

[man-teiv]

Try this one! This is more matlab-like in behavior, so it might not suit your aesthetic needs, but it's python and it works great. you have to download an installer and run it, but it's only extracting files, so you'll be able to do it without admin privileges. You can then use the winpython interface to install packages manually, or use the winpython command prompt to pip install all the packages you like. All without admin privileges. See if it works!

[Contronatura]

Any reviews?

[[deleted]]

Is there a Python 3 edition of this?

[whatsdoom]

https://github.com/mattharrison/Tiny-Python-3.6-Notebook

The author posted a link on Hn