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by roywiggins 4281 days ago
Flask. Flask Flask Flask. It's well-documented, in Python, and you can push it to Heroku easy as pie.

You can add things like templates (they're built in, and can be really simple) or just concatenate HTML the old-fashioned way. You can program very imperatively and work up to abstractions. It's very friendly.

I haven't seen it used as an introductory "language" but I feel like it would work well.

5 comments

>you can push it to Heroku easy as pie

Having worked with absolute beginners, this isn't nearly as easy as you think for someone just getting started. You're adding ssh keys, getting set up with git, installing the heroku client, running things from the command line, dealing with dependencies, dealing with heroku config file issues...

These are the things that get extremely frustrating very quickly to someone who doesn't have a technical background, and they cause people to give up.

Compared with: start a shared hosting account for $2/month, connect with a gui FTP client and the password you made during signup, drag and drop files to the server, go to http://www.yourserver.com/foo.php and see if it works.

If it's about learning the most basic fundamentals, PHP just works. It will be some time before these people start building things where security, scale, separation of concerns, version control etc start to count. Introducing too many things at once is frustrating, and the fun starts when you can use the things you're building, and share them with others. There's not much that's better than PHP in that regard.

Yes, anyone that says "you can push it to Heroku easy as pie" clearly hasn't spent hardly any time teaching anything to actual beginners.
I was working on the assumption that environment would be already set up for them. Setting up Apache to test stuff locally, getting FTP set up to get into your remote server, etc is all a pain with PHP too.

Once everything is set up, it's two-ish commands to commit and push to somewhere like Heroku.

And no, I haven't taught beginners at all, I'll fess up to that. I've learned alongside them, though. PHP is a perfectly cromulent language/framework for this sort of thing, but something like Flask could be just as accessible.

Windows: Install Xampp, copy your files to C:\xampp\htdocs

Right click xampp icon and start services

Ubuntu: sudo apt-get install apache2 php5 mysql-server php5-mysql

sudo service apache2 start/restart

sudo service mysql start/restart

copy files to /var/www/

"getting FTP set up to get into your remote server"

sudo apt-get install ssh sudo service ssh start

> and the people who get the most upset by that notion are often those who have taught 0 students

Does that apply to you?

To me? Yes and no. Yes I've taught precisely 0 students. No, I'm not at all upset with teaching PHP, I coded up my fair share of awful PHP web apps. My first favorite language was ActionScript which everyone loves to hate! But at the time, nothing beat PHP and ActionScript/Flash for simple, fun web development for beginners.

I think something like Flask might be a worthy successor. Heck it even includes a webserver, no need to fiddle with installing Apache to test stuff locally. And with services like Heroku the barrier to getting it online is almost as low as PHP.

I somehow missed your actual arguments for flask, so my impression of you over-enthusiastically praising flask was all wrong, sorry. Still, if Flask does everything for you, what are students left to learn? A lot, i guess :)
Read the rest of the sentence.

> but I've taught web dev to over 500+ students in the past 7+ years

We use Flask at Thinkful in our Python course for precisely this. Ran into some disappointment from folks who'd prefer to dive directly into Django, but from an instructional perspective we'd much rather introduce something comprehensible than ask students to memorize magic words or incantations.
I can imagine Heroku being easy as pie when everything works, but it is a pain in the arse when it doesn't (I have pushed 3 small Django apps to Heroku, its not easy to debug errors).
Also blueprints, a good exercise in separation of concerns, flexibility etc