You're not gonna become a master in your spare time, but you can get decently good at photography in five years of dedicated but non-full-time practice. It's taken me about twice that to get decent, but I fucked around a lot along the way.
You don't need a ton of fancy equipment, but photography does require some gear. I'll limit the gear-buying here to once a year (not counting books).
| (comment ; Fun with transducers, v2 | |
| ;; Still haven't found a brief + approachable overview of Clojure 1.7's new | |
| ;; transducers in the particular way I would have preferred myself - so here goes: | |
| ;;;; Definitions | |
| ;; Looking at the `reduce` docstring, we can define a 'reducing-fn' as: | |
| (fn reducing-fn ([]) ([accumulation next-input])) -> new-accumulation | |
| ;; (The `[]` arity is actually optional; it's only used when calling | |
| ;; `reduce` w/o an init-accumulator). |
Spurred by recent events (https://news.ycombinator.com/item?id=8244700), this is a quick set of jotted-down thoughts about the state of "Semantic" Versioning, and why we should be fighting the good fight against it.
For a long time in the history of software, version numbers indicated the relative progress and change in a given piece of software. A major release (1.x.x) was major, a minor release (x.1.x) was minor, and a patch release was just a small patch. You could evaluate a given piece of software by name + version, and get a feeling for how far away version 2.0.1 was from version 2.8.0.
But Semantic Versioning (henceforth, SemVer), as specified at http://semver.org/, changes this to prioritize a mechanistic understanding of a codebase over a human one. Any "breaking" change to the software must be accompanied with a new major version number. It's alright for robots, but bad for us.
SemVer tries to compress a huge amount of information — the nature of the change, the percentage of users that wil
Inspired by "Parsing CSS with Parsec".
Just quick notes and code that you can play with in REPL.
By @kachayev
| require "date" | |
| # Small DSL for idiomatic date parsing and formatting in Ruby. | |
| # https://gist.github.com/sshaw/53c27b148e903a07e494 | |
| # | |
| # Usage: | |
| # | |
| # include YYMMDD | |
| # date = Date.today | |
| # |
Simply put, destructuring in Clojure is a way extract values from a datastructure and bind them to symbols, without having to explicitly traverse the datstructure. It allows for elegant and concise Clojure code.
Between [your name] and [their name]
You ([their name]), located at [customer address] are hiring me ([your name]) located at [company address] to [design and develop a web site] for the estimated total price of [total] as outlined in our previous correspondence.
(by @andrestaltz)
If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.
