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The difference between text mode and binary mode with file streams

FIO14-C. Understand the difference between text mode and binary mode with file streams     Skip to end of metadata   Created by Justin Pincar, last modified by Carol J. Lallier on Oct 14, 2013 Go to start of metadata   Input and output are mapped int…

nodejs -- fs模块 ---> readFile 函数 1) fs.readFile(filename, "binary", function(error, file) 2) response.write(file, "binary");

一:代码: 1.1 入口文件: index.js var server = require('./server'); var router = require("./router"); var requestHandlers = require("./requestHandlers"); var handle = {}; handle["/"] = requestHandlers.start; handle["/start"]…

Canal 同步异常分析：Could not find first log file name in binary log index file

文章首发于[博客园-陈树义],点击跳转到原文Canal同步异常分析:Could not find first log file name in binary log index file. 公司搜索相关的业务系统采用了ElasticSearch + Canal实现了实时搜索(详情可参考文章:ElasticSearch + Canal 开发千万级的实时搜索系统). 最近在查看线上Canal Server日志的时候发现了异常,这直接导致了其中一个数据库停止了数据同步. 从异常信息可以看到是实例为db…

Got fatal error 1236 from master when reading data from binary log: 'Could not find first log file name in binary log index file'系列一：

从库报这个错误:Got fatal error 1236 from master when reading data from binary log: 'Could not find first log file name in binary log index file' Got fatal error 1236 from master when reading data from binary log: 'could not find next log' 可以 stop slave; res…

mysql从库Last_IO_Error: Got fatal error 1236 from master when reading data from binary log: 'Could not find first log file name in binary log index file'报错处理

年后回来查看mysql运行状况与备份情况,登录mysql从库查看主从同步状态 mysql> show slave status\G; *************************** . row *************************** Slave_IO_State: Master_Host: 101.200.*.* Master_User: backup Master_Port: Connect_Retry: Master_Log_File: master-bin. Rea…

WARNING: Can not get binary dependencies for file...

环境: window7 64bit python 3.5 pyinstaller 3.2 用pyinstaller 将python文件打包成exe文件的过程中,出现了如下的错误 C:\Users\caoxin\PyInstaller-3.2>python pyinstaller.py --console --onefile main5. py 249 INFO: PyInstaller: 3.2 249 INFO: Python: 3.5.0 250 INFO: Platform: Window…

'Could not find first log file name in binary log index file'的解决办法

数据库主从出错: Slave_IO_Running: No 一方面原因是因为网络通信的问题也有可能是日志读取错误的问题.以下是日志出错问题的解决方案: Last_IO_Error: Got fatal error 1236 from master when reading data from binary log: 'Could not find first log file name in binary log index file' 解决办法:从机器停止slave mysql> slave…

Got fatal error 1236 from master when reading data from binary log: 'Could not find first log file name in binary log index file'

setup slave from backup i got error Got fatal error 1236 from master when reading data from binary log: 'Could not find first log file name in binary log index file' MASTER MariaDB [(none)]> SHOW BINLOG EVENTS IN 'mysqld-bin.140180' FROM 101070557 LI…

text files and binary files

https://en.wikipedia.org/wiki/Text_file https://zh.wikipedia.org/wiki/文本文件…

手动创建binary log files和手动编辑binary log index file会有什么影响

基本环境:官方社区版MySQL 5.7.19 一.了解Binary Log结构 1.1.High-Level Binary Log Structure and Contents • Binlog包括binary log files和index file• 每个binary log文件的前4字节是Magic Number,紧接着是一组描述数据修改的Events • The magic number bytes are 0xfe 0x62 0x69 0x6e = 0xfe 'b''i''n' • 每…