Some recommended books for improving as a software developer
Most software books are too language specific and go out of date too quickly. What I find has stayed with me are books about bigger concepts, such as systems thinking and complexity, and also so-called "soft skills" such as management and psychology.
These are all really about developing empathy for other people :)
| module Person = | |
| open System | |
| type PersonState = private { id: Guid; name: string; age: int} | |
| let createPerson id name age = {id = id; name = name; age = age} | |
| let changeName name personState = {personState with name = name} | |
| let changeAge age personState = | |
| // some crazy business rule involving age | |
| {personState with age = age} | |
| module SomeOtherModule = |
| // Implemented Jimmy Bogard's https://github.com/jbogard/presentations/tree/master/WickedDomainModels/After in F# | |
| namespace FSharp.Wicked | |
| open System | |
| module Types = | |
| type Id = Id of Guid | |
| type Entity<'T> = Id * 'T | |
| let createEntity state = Guid.NewGuid(), state |
| let solve lim total = | |
| let rec gen (n::t) s = | |
| let m = (n % 10) % lim | |
| if m = 0 then | |
| if n = lim then [(List.head (List.rev (n::t)), s)] else [] | |
| else | |
| match t with | |
| | [] -> | |
| gen ((m+1)::n::t) (string n) @ | |
| gen ((10 * n + m + 1)::t) s |
| let calcExpr n = | |
| let rec innerCalcExpr n current last= | |
| if current>last then "" else [|""; "+"; "-"|].[n%3] + string current + innerCalcExpr (n/3) (current+1) last | |
| "1" + innerCalcExpr n 2 9 | |
| let rec sum = function | |
| |(op::h::t) -> (int (op+h)) + sum t | |
| | _ -> 0 | |
| let eval text = sum ("+" :: (System.Text.RegularExpressions.Regex.Split(text,@"(\+)|(-)") |> List.ofArray)) |
| open FParsec | |
| let rec permute xs = seq { | |
| match xs with | |
| | [] -> yield "" | |
| | [x] -> yield string x | |
| | h::t -> | |
| let s = string h | |
| for foo in permute t do | |
| yield s + foo |
