YangKeao

-- This query answers 'Which cities did Dave travel to in 2023?'

CREATE TABLE episodes (
    id BIGINT AUTO_INCREMENT PRIMARY KEY,
    content TEXT NOT NULL,
    valid_at DATETIME NOT NULL,
    session_id BIGINT,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    INDEX idx_episodes_valid (valid_at)
);

YangKeao

package main
 
import (
	"bufio"
	"fmt"
	"log"
	"net"
	"os"
	"strings"
	"time"

YangKeao

package main

import (
        "bufio"
        "context"
        "database/sql"
        "encoding/binary"
        "flag"
        "fmt"
        "math/rand"

YangKeao

#include <mysql/mysql.h>
#include <stdio.h>
#include <string.h>

int insert_with_config(char* encoding, bool send_with_long) {
    MYSQL *con = mysql_init(NULL);
    if (con == NULL) {
        fprintf(stderr, "%s\n", mysql_error(con));
        return 1;
    }

YangKeao

package main

import (
	"context"
	"database/sql"
	"fmt"
	"os"
	"sync"

	_ "github.com/go-sql-driver/mysql"

YangKeao

package main

import (
	"fmt"
	"go/ast"
	"go/token"
	"go/types"
	"log"
	"strings"

YangKeao

{ dpkg, pkgs, fetchurl, lib, buildFHSUserEnv, makeDesktopItem, systemd, ...}:
let
  version = "2.0.9";

  feilian-unwrapped = pkgs.stdenv.mkDerivation rec {
    pname = "feilian-unwrapped";
    inherit version;

    src = fetchurl {
      url = "https://oss-s3.ifeilian.com/linux/FeiLian_Linux_v${version}_r615_97b98b.deb";

YangKeao

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/fs.h>
#include <linux/tracepoint.h>
#include <asm/syscall.h>
#include <linux/sched.h>
#include <linux/fdtable.h>
#include <linux/slab.h>
#include <linux/delay.h>

YangKeao

package main

import (
    "context"
    "encoding/json"
    v1 "k8s.io/api/core/v1"
    "k8s.io/apimachinery/pkg/runtime"
    "log"
    "net/http"
    "os"

YangKeao

use std::{mem::size_of, ptr::{null, null_mut}};
use libc::c_void;
use perf_event_open_sys as sys;

fn main() -> std::io::Result<()> {
    let mut attrs = sys::bindings::perf_event_attr::default();

    // Populate the fields we need.
    attrs.size = std::mem::size_of::<sys::bindings::perf_event_attr>() as u32;
    attrs.type_ = sys::bindings::perf_type_id_PERF_TYPE_HARDWARE;