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Code Snippet

package main

import (
        "fmt"
        "math/rand"
        "time"
)

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Code Snippet

#include <chrono>
#include <cstdio>
#include <cstdlib>
#include <thread>


auto compute_e(int r) {

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Install Linux Kernel in Ubuntu

Check current installed version

$ uname -r

Download new Linux kernel

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Keep Ubuntu Up to date

$ sudo apt-get update
$ sudo apt-get upgrade
$ sudo apt-get dist-upgrade
$ sudo do-release-upgrade

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Programming Jargon

Yoda conditions

see wiki

if (0 == x) {
    ...
}

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Add upstream

$ git remote add upstream https://github.com/TarsCloud/TarsGo.git

add upstream, use git remote -v to verify

Keep upstream updated

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To execute sudo command on macOS, use:

$ sudo -s

enter your password and enjoy

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When go get complains about terminal prompts disabled, set environment variable GIT_TERMINAL_PROMPT to 1 to enable it.

# export GIT_TERMINAL_PROMPT=1
$ GIT_TERMINAL_PROMPT=1 go get xxx

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When rustc complains that xxx syntax is experimental, switch to nightly build

$ rustup toolchain install nightly
$ rustup default nightly

If some feature has to be activated, the compiler usually say which one.

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Introduction

Learn REST API with Python script, slides : http://www.slideshare.net/larrycai/learn-rest-apiwithpython

REST/JSON is perfect match to fetch web data, and python requests module

• Ex1: using command line tool curl and browser to access http://httpbin.org/get
• Ex2: Install requests module and try to access http://httpbin.org/get in python interactive module, print r.json()
• Ex3: Use below restapi.py as base to implement access data in script
• Ex4: continue to access https://api.github.com via GET method