comynli

class Host(db.Model):
    __tablename__ = 'hosts'

    host_id = db.Column(db.Integer, primary_key=True, autoincrement=True)
    _ip = db.Column("ip", db.Integer, nullable=False)
    port = db.Column(db.Integer, nullable=False)
    user = db.Column(db.String(64), nullable=False)
    _password = db.Column("password", db.Text, nullable=False)
    

comynli

#!/bin/bash

process_pool(){
    #
    if [ $# -lt 3 ]; then
        echo "$0 process_num command [args]"
        return 1
    fi
    _process_num=$1
    shift

comynli

#!/usr/bin/python
# encoding=utf-8
import sys
reload(sys)
sys.setdefaultencoding('utf-8')

comynli

openssl genrsa -des3 -out ca.key 2048 #生成跟证书私钥
openssl req -new -x509 -days 365 -key ca.key -out ca.crt #生成根证书
openssl genrsa -des3 -out ${name}.key 2048 #生成私钥
openssl req -new -key ${name}.key -out ${name}.csr #生成证书请求文件
openssl x509 -req -in ${name}.csr -out ${name}.crt -sha1 -CA ca.crt -CAkey ca.key -CAcreateserial -days 365 #自签名

comynli

import os
import fcntl
import subprocess

def non_block_read(output):
    fd = output.fileno()
    fl = fcntl.fcntl(fd, fcntl.F_GETFL)
    fcntl.fcntl(fd, fcntl.F_SETFL, fl | os.O_NONBLOCK)
    try:
        return output.read()

comynli

if val, ok := dict["key"]; ok {
	// do some things
}

comynli

stop slave;
set global sql_slave_skip_counter=1;
start slave; 

comynli

SELECT TABLE_NAME,DATA_LENGTH+INDEX_LENGTH,TABLE_ROWS FROM information_schema.TABLES WHERE TABLE_SCHEMA='${database_name}' AND TABLE_NAME='${table_name}';

comynli

function flatten(target, opts = {delimiter: '.'}) {
  let output = {};

  function step(object, prev = '') {
    Object.keys(object).forEach(key => {
      let value = object[key];
      let outKey = prev.length > 0? `${prev}${opts.delimiter}${key}`: key;
      if (typeof value === 'object') {
        return step(value, outKey)
      }

comynli

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