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Sarah Mei
@sarahmei
, 4 tweets, 1 min read Read on Twitter
2019 is the year we stop writing “pure” functional or object-oriented code, and go back to getting shit done.
Any project of significant size, no matter what programming language it’s written in, will have places where OO techniques make sense & places where functional techniques make sense.
It’s ok to have classes with no data of their own and a single method called “run.”

It’s ok to have functions that own data & mutate it.

Breathe! And get shit done.😊
THIS. I almost always start with a list of instructions anyway, even if I'm intending to end up with classes or functions.

A procedure is always easier to understand than a set of abstractions decided too early.
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More from @sarahmei see all

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Sarah Mei
@sarahmei
I talk a lot about how you can’t be a great developer without great communication skills, but I don’t think people grok how _directly_ your communication skills are reflected in your codebase. Let me give you an example.
Let’s say you’re working in a legacy codebase that, in places, resembles a house on Hoarders (BEFORE they clean it out).
These types of codebases are distressingly common. They’re so full of STUFF that you can hardly move around. To get your work done, you’ve got little goat trails of understanding running through it, like the narrow space between piles of junk in an overcrowded living room.
Read 37 tweets
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Sarah Mei
@sarahmei
Software patterns and their contexts, a thread:
When we talk about software patterns, we spend most of our time discussing the _technical_ contexts they make sense in.

Building an API? Use the gateway pattern! Extracting functionality from a monolith? Use the strangler pattern! Etc etc etc.
In addition to its technical contexts, though, every pattern also has a set of _organizational_ contexts that it makes sense in - and these are usually implicit in our discussions.
Read 7 tweets
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Sarah Mei
@sarahmei
Went swing dancing tonight for the first time since...2005, maybe? I used to be deeeeeep in that scene, but apparently it’s 100% turnover since then😅

HOWEVER - many many more same gender dance partners than there used to be.

So overall: vast improvement. The kids are alright👍🏻
Classic chromed ‘Samba’ dance shoes, circa 2003. Still functional.

Their inhabitant, perhaps not so much 😅
Also during the jam, the hosts asked if people were leading, following, or switching, rather than assuming based on perceived gender ❤️❤️❤️
Read 3 tweets

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(((John Stoehr)))
@johnastoehr
1. Howard Schultz, the former Starbucks CEO, is on the defensive fewer than 24 hours after saying he was thinking about running for president as an independent candidate.
2. Michael Bloomberg, another would-be “centrist” contender, said Monday there’s no way he can win. The only thing he can do is help the incumbent prevail. Schultz fired back in a USA Today op-ed, saying such claims are wrongheaded and un-American. usatoday.com/story/opinion/…
3. No, they are not wrongheaded. No, they are not un-American. Anyone who knows anything about electoral politics knows third parties very rarely win presidencies, and disliking spoilers has nothing to do with Americanness. Bloomberg is right.
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Colin Fay
@_ColinFay
[Thread #RStats #Programming ]
Some important points taken from "Object-Oriented Programming, Functional Programming and R", by John M. Chambers
arxiv.org/pdf/1409.3531.…
An article about what is Functional Programming (FP), and how does it differ from Object Oriented Programming (OOP) ?
Note that both these paradigms are used in R, and interact with each others.
Here’s the definition of what FP is :
- Programming == creating function
- Functions returns values computed from arguments (and only these)
- A function has no side effect
Read 20 tweets
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Ben Owen
@_benjaminowen
Up next is a talk on Dependency Injection by @ploeh. #ndcoslo
Writing pure functional code in C# often ends up being unreadable.
F# can express these concepts far more elegantly. Because it runs on .NET, we can call these functions from C#.
Read 5 tweets
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Matt Klein
@mattklein123
As horrendous as I find Go as a language (🔥), it's runtime performance is very good, especially for a GC language. Where I've seen it fall short is when context switching between many goroutines, as one would do with many connections in a proxy. Perhaps this is better now.
Ultimately Go has been great for @lyft and as with many choices in technology I think it's the least bad option for a general purpose programming language right now. I'm happy we went with it as our Python replacement.
As for why @EnvoyProxy was not written in Go? I knew I could build something high quality in C++ quickly using rock solid foundational libraries. I also knew that I would eventually be competing with HAProxy and NGINX perf and the ridiculous horse race benchmarks that come with.
Read 12 tweets
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Aaron Hall, 🐍 Professor, NYC, 🇺🇸
@aaronchall
High level #python #tutorial thread:
Python is a high level language that runs bytecode in its virtual machine.
Everything is an object.
It supports OOP up to multiple inheritance and functional programming.
Typing is polymorphic - duck typing is preferred
A Python script is a file with a name like name.py - we indent at four spaces (it matters), comments (after #) don't execute - and is typically written like:

def main(): # function
print("Hello world")

if __name__ == '__main__': # then entry point
main()
A module is a reusable script:

"""this is a docstring at the top of the module - gives help on the module"""

import this # do imports at the top

def main(): # main at top or bottom
"""functions get docstrings too"""

if __name__... always at the bottom, assumed from now on
Read 68 tweets
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getify
@getify
Found out tonite that someone I knew loooonng ago, but he was instrumental in teaching/inspiring me to learn programming in the mid 90's, passed away on sunday of a heart attack at the age of 51. Very sad.
i was learning programming in turbo pascal, and he told me about this thing called "object oriented programming" and told me about how it was a piece of code that could behave differently depending on how/where it was used.
i remember i showed him a function i'd written that took like 20 different arguments... it was a function that drew dialog boxes of various kinds, using ascii characters back on those old DOS screens
Read 8 tweets

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