发现和开发盲SQL注入(blind SQL injections使用SQL注入向服务器读取
作者:互联网
采用vue-cli 3.0自动生成vue项目,选了ESlint+Prettier,在写request.js的时候,顺手用vscode右击格式化文件(Alt+Shift+F),一下子报了8个问题,如图所示
总结一下,一共两种错误。第一,eslint规定换行后2个空格缩进,vscode格式化后默认是4个空格缩进;第二,匿名函数关键字function 与 小括号 之间不能有空格。
解决之道
1、文件->首选项->设置->... →打开settings.json->用户设置
1 2 "editor.tabSize": 2, "javascript.format.insertSpaceAfterFunctionKeywordForAnonymousFunctions": false editor.tabSize 用来设置 2个空格缩进,javascript.format.insertSpaceAfterFunctionKeywordForAnonymousFunctions 负责定义匿名函数的函数关键字后面的空格处理
2、看图,选择使用空格缩进,继续选择2 即使将sync_binlog设为1,还是会有一种情况导致问题的发生。当使用InnoDB存储引擎时,在一个事务发出COMMIT动作之前,由于sync_binlog为1,因此会将二进制日志立即写入磁盘。如果这时已经写入了二进制日志,但是提交还没有发生,并且此时发生了宕机,那么在MySQL数据库下次启动时,由于COMMIT操作并没有发生,这个事务会被回滚掉。但是二进制日志已经记录了该事务信息,不能被回滚。这个问题可以通过将参数innodb_support_xa设为1来解决,虽然innodb_support_xa与XA事务有关,但它同时也确保了二进制日志和InnoDB存储引擎数据文件的同步。
max_binlog_size 指定了单个二进制日志文件的最大值,如果超过该值,则产生新的二进制日志文件,后缀名+1,并记录到.index文件。从MySQL 5.0开始的默认值为1073 741824,代表1 G(在之前版本中max_binlog_size默认大小为1.1G)
binlog_cache_size 当使用事务的表存储引擎(如InnoDB存储引擎)时,所有未提交(uncommitted)的二进制日志会被记录到一个缓存中去,等该事务提交(committed)时直接将缓冲中的二进制日志写入二进制日志文件,而该缓冲的大小由binlog_cache_size决定,默认大小为32K.如果如果超过此大小,会被定入临时文件。 可以通过show variables like 'binlog_cache_use'查看缓冲使用次数,通过show global status like 'binlog_cache_disk_use'\G 查看使用临时文件次数.
binlog-do-db与binlog-ignore-db 参数binlog-do-db和binlog-ignore-db表示需要写入或忽略写入哪些库的日志。默认为空,表示需要同步所有库的日志到二进制日志。
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标签:blind,binlog,www.58,pic,https,SQL,日志,com,注入 来源: https://www.cnblogs.com/dzax/p/13570868.html