| package main | |
| import ( | |
| "bufio" | |
| "fmt" | |
| "github.com/umpc/go-sortedmap/desc" | |
| "log" | |
| "math/rand" | |
| "os" | |
| "strconv" |
| //go:noescape | |
| //go:linkname memhash runtime.memhash | |
| func memhash(p unsafe.Pointer, h, s uintptr) uintptr | |
| type stringStruct struct { | |
| str unsafe.Pointer | |
| len int | |
| } | |
| // MemHash is the hash function used by go map, it utilizes available hardware instructions(behaves |
| # Path to your oh-my-zsh installation. | |
| export ZSH=/Users/jp20992/.oh-my-zsh | |
| # Set name of the theme to load. | |
| # Look in ~/.oh-my-zsh/themes/ | |
| # Optionally, if you set this to "random", it'll load a random theme each | |
| # time that oh-my-zsh is loaded. | |
| ZSH_THEME="jnrowe" | |
| # Uncomment the following line to use case-sensitive completion. |
| call plug#begin('~/.vim/bundle') | |
| " must | |
| Plug 'Shougo/deoplete.nvim', { 'do': ':UpdateRemotePlugins' } | |
| let b:commandDepends = ['Unite', 'UniteWithBufferDir', | |
| \ 'VimFilerCurrentDir', 'VimFilerBufferDir'] | |
| Plug 'Shougo/unite.vim', {'on': b:commandDepends, 'for': ['unite']} | |
| \ | Plug 'Shougo/vimfiler', {'on': b:commandDepends} | |
| Plug 'tpope/vim-commentary' " use gcc to comment line, gc to comment capture |
Copyright © 2017 Fantasyland Institute of Learning. All rights reserved.
A function is a mapping from one set, called a domain, to another set, called the codomain. A function associates every element in the domain with exactly one element in the codomain. In Scala, both domain and codomain are types.
val square : Int => Int = x => x * x
| package main | |
| import "fmt" | |
| // <regex> ::= <term> '|' <regex> | <term> | |
| // <term> ::= { <factor> } | |
| // <factor> ::= <base> { '*' } | |
| // <base> ::= <char> | |
| // | '\' <char> | |
| // | '(' <regex> ')' |
| package main | |
| import ( | |
| "fmt" | |
| ) | |
| func match(regex string, text string) bool { | |
| if string(regex[0]) == "^" { | |
| return matchhere(regex[1:], text) | |
| } |
| module TacosMachineLearning | |
| class TrainDat | |
| attr_accessor :features, :label | |
| def initialize(features, label) | |
| @features = features | |
| @label = label | |
| end | |
| end | |
| ////////////////OnHeapGC | |
| Java HotSpot(TM) 64-Bit Server VM (25.45-b02) for bsd-amd64 JRE (1.8.0_45-b14), built on Apr 10 2015 10:46:38 by "java_re" with gcc 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.11.00) | |
| Memory: 4k page, physical 16777216k(1141424k free) | |
| /proc/meminfo: | |
| CommandLine flags: -XX:InitialHeapSize=734003200 -XX:MaxHeapSize=734003200 -XX:MaxNewSize=734003200 -XX:NewSize=734003200 -XX:+PrintGC -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -XX:+UseCompressedClassPointers -XX:+UseCompressedOops -XX:+UseParallelGC | |
| 0.991: [GC (Allocation Failure) [PSYoungGen: 538112K->9320K(627200K)] 538112K->9328K(627712K), 0.0064314 secs] [Times: user=0.01 sys=0.01, real=0.01 secs] | |
| 1.481: [GC (Allocation Failure) [PSYoungGen: 547432K->13644K(627200K)] 547440K->13660K(627712K), 0.0068257 secs] [Times: user=0.01 sys=0.03, real=0.01 secs] |
unapplyの戻り値型が、Optionではなく「 isEmpty: Boolean と get: A をもっていればどんな型でもよい」と、制限が緩くなったscala.util.contrll.TailCalls.TailRec に flatMap が追加された scala/scala#2865