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use std::ops::Deref;
use std::sync::{Arc, RwLock};
use std::sync::atomic::{AtomicUsize, Ordering};
use std::time::Duration;

struct ConcurrentCache<V> {
    version: AtomicUsize,
    inner: RwLock<V>,
}

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function devnet-clean
	 rm -rf ~/.lotus
	 rm -rf ~/.lotusminer
	 rm -rf ~/.genesis-sectors
end

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install log

cd prl_fs/SharedFolders/Guest/Linux/prl_fs && make CC=cc
make[1]: Entering directory '/usr/lib/parallels-tools/kmods/prl_fs/SharedFolders/Guest/Linux/prl_fs'
make -C /lib/modules/5.0.0-25-generic/build M=/usr/lib/parallels-tools/kmods/prl_fs/SharedFolders/Guest/Linux/prl_fs CC=cc
make[2]: Entering directory '/usr/src/linux-headers-5.0.0-25-generic'
  CC [M]  /usr/lib/parallels-tools/kmods/prl_fs/SharedFolders/Guest/Linux/prl_fs/super.o
/usr/lib/parallels-tools/kmods/prl_fs/SharedFolders/Guest/Linux/prl_fs/super.c: In function 'prlfs_remount':
/usr/lib/parallels-tools/kmods/prl_fs/SharedFolders/Guest/Linux/prl_fs/super.c:119:21: error: 'MS_RDONLY' undeclared (first use in this function); did you mean 'IS_RDONLY'?
  if ( (!((*flags) & MS_RDONLY) && PRLFS_SB(sb)->readonly) ||

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Vim has a Terminal Mode!

Since v8.1 (May 2018), Vim has shipped with a built-in terminal. See https://vimhelp.org/terminal.txt.html or type :help terminal for more info.

Why use this? Mainly because it saves you jumping to a separate terminal window. You can also use Vim commands to manipulate a shell session and easily transfer clipboard content between the terminal and files you're working on.

Key Bindings

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tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

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#!/usr/bin/env bash

# USAGE:
#
# Option 1: Build and run tests using specific lotus Git SHA:
#
# > ./test-storage-and-retrieval-local-dev-net.sh --lotus-git-sha=15b3e57634458af983082dcbb736140bba2abfdb
#
# Option 2: Build and run using binaries you've built previously (much faster)
#

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/*
Serve is a very simple static file server in go
Usage:
	-p="8100": port to serve on
	-d=".":    the directory of static files to host

Navigating to http://localhost:8100 will display the index.html or directory
listing file.
*/
package main

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package ciphers

import (
	"crypto/rand"
	"crypto/rsa"
	"crypto/sha512"
	"crypto/x509"
	"encoding/pem"
  "log"
)

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Run the following in the terminal:

Install the gcc-7 packages:

sudo apt-get install -y software-properties-common
sudo add-apt-repository ppa:ubuntu-toolchain-r/test
sudo apt update
sudo apt install g++-7 -y

Set it up so the symbolic links gcc, g++ point to the newer version:

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注意：本文内容适用于 Tmux 2.3 及以上的版本，但是绝大部分的特性低版本也都适用，鼠标支持、VI 模式、插件管理在低版本可能会与本文不兼容。

Tmux 快捷键 & 速查表

启动新会话：

tmux [new -s 会话名 -n 窗口名]

恢复会话：