Timothy TimothyYe

INTRO

Concurrency is a domain I have wanted to explore for a long time because the locks and the race conditions have always intimidated me. I recall somebody suggesting concurrency patterns in golang because they said "you share the data and not the variables".

Amused by that, I searched for "concurrency in golang" and bumped into this awesome slide by Rob Pike: https://talks.golang.org/2012/waza.slide#1 which does a great job of explaining channels, concurrency patterns and a mini-architecture of load-balancer (also explains the above one-liner).

Let's dig in:

Goroutines

知乎日报API

v3

http://news-at.zhihu.com/api/3/stories/latest 获取今日日报

http://news-at.zhihu.com/api/3/news/latest 获取今日日报

http://news-at.zhihu.com/api/3/news/before/20140618 获取某个日期之前的日报

	import numpy as np
	from sklearn.datasets import make_classification
	from sklearn.model_selection import train_test_split
	from sklearn.ensemble import RandomForestClassifier
	from sklearn.linear_model import LogisticRegression
	from sklearn.metrics import accuracy_score
	from xgboost import XGBClassifier

	# Generate a sample dataset
	X, y = make_classification(n_samples=1000, n_features=20, n_classes=2, random_state=42)

	#!/bin/sh
	docker rm -f $(docker ps -qa)
	docker volume rm $(docker volume ls -q)
	cleanupdirs="/var/lib/etcd /etc/kubernetes /etc/cni /opt/cni /var/lib/cni /var/run/calico /opt/rke"
	for dir in $cleanupdirs; do
	echo "Removing $dir"
	rm -rf $dir
	done

	#!/bin/bash
	docker run -it --rm --name certbot \
	-v "/etc/letsencrypt:/etc/letsencrypt" \
	-v "/var/lib/letsencrypt:/var/lib/letsencrypt" \
	-v "/data/letsencrypt:/.secrets" \
	-p 80:80 \
	-p 443:443 \
	certbot/dns-cloudflare certonly \
	-d $1

	//assumes you have the following environment variables setup for AWS session creation
	// AWS_SDK_LOAD_CONFIG=1
	// AWS_ACCESS_KEY_ID=XXXXXXXXXX
	// AWS_SECRET_ACCESS_KEY=XXXXXXXX
	// AWS_DEFAULT_REGION=us-east-1

	package main

	import (
	"fmt"

	package main

	import (
	"fmt"
	"log"
	"os"
	"strings"

	"github.com/PuerkitoBio/goquery"
	"github.com/parnurzeal/gorequest"

	#!/usr/bin/env bash
	#
	# Description: Auto test download & I/O speed script
	#
	# Copyright (C) 2015 - 2016 Teddysun <[email protected]>
	#
	# Thanks: LookBack <[email protected]>
	#
	# URL: https://teddysun.com/444.html
	#