jiacai2050

const std = @import("std");
pub const c = @cImport({
    @cInclude("rocksdb/c.h");
});

const key = "hello";
const value = "world";

pub fn main() !void {
    const opts = c.rocksdb_options_create();

jiacai2050

Rust User Team Samara - &Meetup[1]

How to and why you need to learn Rust

• Evolution
• Competition
• Are you insane? Rust is awesome!!!

jiacai2050

macOS Internals

Understand your Mac and iPhone more deeply by tracing the evolution of Mac OS X from prelease to Swift. John Siracusa delivers the details.

Starting Points

How to use this gist

You've got two main options:

jiacai2050

const std = @import("std");

const BIND_HOST: []const u8 = "0.0.0.0";
const BIND_PORT: u16 = 8090;
const NUM_WORKER_THREADS: u32 = 16;
const DOWNLOAD_DIR: []const u8 = "/tmp";
const MAX_FILE_SIZE: usize = 1024 * 1024 * 500; // 500M
// const UPSTREAM_URL: []const u8 = "https://fs.liujiacai.net/zigbuilds";
const UPSTREAM_URL: []const u8 = "https://ziglang.org";

jiacai2050

wget 'https://github.com/google/flatbuffers/archive/refs/tags/v24.3.25.tar.gz'

tar xzf flatbuffers-24.3.25.tar.gz 
pushd flatbuffers-24.3.25
cmake -G "Unix Makefiles"
make
make install
ldconfig
flatc --version
rm -rf flatbuffers-24.3.25

jiacai2050

Docker Hub 镜像加速器

国内从 Docker Hub 拉取镜像有时会遇到困难，此时可以配置镜像加速器。Docker 官方和国内很多云服务商都提供了国内加速器服务。

Dockerized 实践 https://github.com/y0ngb1n/dockerized

配置加速地址

Ubuntu 16.04+、Debian 8+、CentOS 7+

jiacai2050

/*
 * Demo of libpq.
 * Build: g++ libpq-demo.cc -o libpq-demo -lpq
 * Run: ./libpq-demo
 */

#include <arpa/inet.h>
#include <iostream>
#include <libpq-fe.h>
#include <sstream>

jiacai2050

CPU Usage :

(1 - avg(irate(node_cpu_seconds_total{mode="idle"}[10m])) by (instance)) * 100

Memory Usage :

100 * (1 - ((avg_over_time(node_memory_MemFree_bytes[10m]) + avg_over_time(node_memory_Cached_bytes[10m]) + avg_over_time(node_memory_Buffers_bytes[10m])) / avg_over_time(node_memory_MemTotal_bytes[10m])))

jiacai2050

package main

import (
	"encoding/xml"
	"flag"
	"fmt"
	"go-apps/pkg/flagx"
	"go-apps/pkg/util"
	"io"
	"log"

jiacai2050

1
00:00:00,000 --> 00:00:06,800
大家好,今天是2021年6月27号,是InMessTalk的第一期。

2
00:00:06,800 --> 00:00:11,700
这一期主要由我来讲一下这个节目的背景。

3
00:00:11,700 --> 00:00:17,200