Skip to content

Instantly share code, notes, and snippets.

@baya
baya / gist:770856f527890ecbe948581975da7ff1
Created March 18, 2019 16:22
go 安装 pkg 出错的解决方法
git clone https://github.com/grpc/grpc-go.git $GOPATH/src/google.golang.org/grpc
    git clone https://github.com/golang/net.git $GOPATH/src/golang.org/x/net
    git clone https://github.com/golang/text.git $GOPATH/src/golang.org/x/text
    go get -u github.com/golang/protobuf/{proto,protoc-gen-go}
    git clone https://github.com/google/go-genproto.git $GOPATH/src/google.golang.org/genproto
---------------------
.SUFFIXES: .erl .beam
.erl .beam:
erlc -W $<
ERL = erl -boot start_clean
MODS = module1 module2 module3
all: compile
@baya
baya / gist:6661074
Created September 22, 2013 15:30 — forked from luikore/gist:149493
# regexps to check if a string is pure chinese
class String
# 20k chars
CHINESE_UCS2 = /^(?:
[\x4e-\x9e][\x00-\xff]
|\x9f[\x00-\xa5]
)+$/xn
# 20k chars
CHINESE_UTF8 = /^(?:
@baya
baya / rand_find.rb
Created September 9, 2013 05:28
rand find from a collection
def rand_find(num=1, &p)
scope = p.call
items = []
rand_numbers = (0...scope.count).to_a
num.times do
break if rand_numbers.size == 0
rand_number = rand_numbers.delete_at(rand rand_numbers.size)
items << scope[rand_number]
end
@baya
baya / validator.js
Last active December 22, 2015 00:09
表单参数验证脚本
$(document).ready(function(){
var Validator = {
submit_fields: [],
errors: [],
nameTitleMapper: {
'contest[title]': '比赛标题',
'contest[description]': '比赛描述',
'contest[category_names][]': '比赛类别',
@baya
baya / upload_base64_image.rb
Created August 7, 2013 07:32
upload image to a file server
class UploadBase64Image < Dun::Activity
data_reader :file_data, :as, :file_name
set :server_address, 'http://xx.xx.xx.xx'
set :client, RestClient
def initialize(data)
super
default :as, 'image'
default :file_name, SecureRandom.urlsafe_base64
@baya
baya / create-upload-file.rb
Last active September 11, 2017 13:40
save base64 image
# -*- coding: utf-8 -*-
# entities的数据结构, [{name: name, image: <File:image>}, ...]
class CreateEntitySet < Dun::Activity
data_reader :entities, :contest
def call
entities.map {|e|
entity = Entity.new
entity.sn = SecureRandom.uuid
class Avatar < ActiveRecord::Base
attr_accessor :content_type, :original_filename, :image_data
before_save :decode_base64_image
has_attached_file :image,
PAPERCLIP_CONFIG.merge(
:styles => {
:thumb => '32x32#',
:medium => '64x64#',
@baya
baya / api.rake
Last active December 20, 2015 12:19
Dig for debug api
require 'dig'
# Dig.set :host, 'localhost:3000'
# Dig.set :host, 'fchk.dev'
namespace :api do
task :get_user_bio => :environment do
res = Dig.get 'getUserBio', user_sn: 'ddd'
puts res
@baya
baya / fiber.rb
Created July 24, 2013 03:25 — forked from mfdela/fiber.rb
#!/usr/bin/ruby1.9
require 'fiber'
require 'benchmark'
class Ring
attr_reader :id
attr_accessor :attach
def initialize(id)