learnerLj

xcode-select --install
sudo cp -R /Applications/WeChat.app /Applications/WeChat2.app
sudo /usr/libexec/PlistBuddy -c "Set :CFBundleIdentifier com.tencent.xinWeChat2" /Applications/WeChat2.app/Contents/Info.plist
sudo codesign --force --deep --sign - /Applications/WeChat2.app
nohup /Applications/WeChat2.app/Contents/MacOS/WeChat >/dev/null 2>&1 &

learnerLj

#!/bin/bash

# 检查参数
if [ $# -eq 0 ]; then
    echo "Usage: readvideo <video_url_or_audio_file>"
    echo "Supports:"
    echo "  - YouTube: https://www.youtube.com/watch?v=..."
    echo "  - Bilibili: https://www.bilibili.com/video/BV..."
    echo "  - Local audio: audio.mp3, audio.m4a, audio.wav, etc."
    echo ""

learnerLj

fio --name=random_read_iops_test \
--ioengine=posixaio \
--rw=randread \
--bs=4k \
--size=10G \
--numjobs=16 \
--iodepth=64 \
--runtime=60 \
--time_based \
--filename=fio_test_file \

learnerLj

{
  "slot":331916416,
  "transaction":{
    "signatures":[
      "3TJB6skkXLyDKxxjREX3tGcMt1DHJxnWoK74KPkoDwNUniXJuhXhKbNrHp4qrqeZofD9gQH7gpX7jfi5RBRxV7uH"
    ],
    "message":{
      "header":{
        "numRequiredSignatures":1,
        "numReadonlySignedAccounts":0,

learnerLj

#![allow(dead_code)]
use std::fmt::Display;


struct Link<T> {
    head: Option<Box<Node<T>>>,
}

struct Node<T> {
    value: T,

learnerLj

import matplotlib.pyplot as plt
import matplotlib.animation as animation
import numpy as np

class SortingVisualizer:
    def __init__(self, array_size=50, speed=10):
        """Initialize the sorting visualizer."""
        self.array_size = array_size
        self.speed = speed
        self.array = np.random.randint(1, 101, array_size)

learnerLj

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import os
import sys
import glob
import sqlite3
import hashlib
import subprocess
import binascii

learnerLj

corrupted double-linked list
 SIGABRT: abort
 PC=0x7f33955b700b m=9 sigcode=18446744073709551610
 signal arrived during cgo execution
 
 goroutine 4363907769 [syscall]:
 runtime.cgocall(0x1693870, 0xc221494cb8)
 #011runtime/cgocall.go:157 +0x5c fp=0xc221494c90 sp=0xc221494c58 pc=0x41965c
 github.com/cockroachdb/pebble/internal/manual._Cfunc_free(0x7f3328b9b2f0)
 #011_cgo_gotypes.go:57 +0x45 fp=0xc221494cb8 sp=0xc221494c90 pc=0xaa1145

learnerLj

module Mp14 where

import Control.Monad (forM_)
import Control.Monad.ST
import Data.STRef

fibM :: Intger -> Intger
fibM n
  | n <= 0 = 0
  | otherwise = runST $ do

learnerLj

import Control.Monad (forM_)
import Data.Array
import Data.Array.ST

dynamicProgramming :: Int -> Array Int Int
dynamicProgramming n = runSTArray $ do
  arr <- newArray (1, n) 0
  writeArray arr 1 1
  forM_ [2 .. n] $ \i -> do
    val <- readArray arr (i - 1)