<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[ssigin的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/ssigin</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; ssigin]]></copyright><item><title><![CDATA[C++指针篇]]></title><link>https://blog.youkuaiyun.com/ssigin/article/details/150766412</link><guid>https://blog.youkuaiyun.com/ssigin/article/details/150766412</guid><author>ssigin</author><pubDate>Mon, 25 Aug 2025 13:01:41 +0800</pubDate><description><![CDATA[【代码】C++指针篇。]]></description><category></category></item><item><title><![CDATA[nvm下载NodeJs失败解决办法]]></title><link>https://blog.youkuaiyun.com/ssigin/article/details/134477219</link><guid>https://blog.youkuaiyun.com/ssigin/article/details/134477219</guid><author>ssigin</author><pubDate>Sat, 18 Nov 2023 13:25:29 +0800</pubDate><description><![CDATA[1、默认下载nvm需要把Nodejs先卸载了，去你安装的地址删除，C盘或者D盘中的（Nodejs），还有“C:\Users\AppData\Local”的node和npm删除，删除成功后。2、如果你删除不干净，最坏的方案就是去Node官网下载指定的版本，解压到nvm文件夹中即可。注意修改nodejs包版本的名字。]]></description><category></category></item><item><title><![CDATA[axios工具库，一图了解]]></title><link>https://blog.youkuaiyun.com/ssigin/article/details/133215839</link><guid>https://blog.youkuaiyun.com/ssigin/article/details/133215839</guid><author>ssigin</author><pubDate>Sat, 23 Sep 2023 19:53:30 +0800</pubDate><description><![CDATA[标题]]></description><category></category></item><item><title><![CDATA[【无标题】]]></title><link>https://blog.youkuaiyun.com/ssigin/article/details/132840044</link><guid>https://blog.youkuaiyun.com/ssigin/article/details/132840044</guid><author>ssigin</author><pubDate>Tue, 12 Sep 2023 20:25:34 +0800</pubDate><description><![CDATA[【代码】【无标题】]]></description><category></category></item><item><title><![CDATA[使用flex-basis的建议]]></title><link>https://blog.youkuaiyun.com/ssigin/article/details/130586868</link><guid>https://blog.youkuaiyun.com/ssigin/article/details/130586868</guid><author>ssigin</author><pubDate>Tue, 09 May 2023 19:22:06 +0800</pubDate><description><![CDATA[当我们给一个div设置display: flex后，容器内的元素，如果设置宽度了之后，又用到了flex: 20%这个时候，后者的宽度会替换到前者的宽度，所以说尽量不要两个一起使用。]]></description><category></category></item><item><title><![CDATA[【无标题】]]></title><link>https://blog.youkuaiyun.com/ssigin/article/details/130309188</link><guid>https://blog.youkuaiyun.com/ssigin/article/details/130309188</guid><author>ssigin</author><pubDate>Sat, 22 Apr 2023 19:39:58 +0800</pubDate><description><![CDATA[导入eclipse项目失败，进入到Project Structure中，选择Modules，选择本地安装的JDK版本，可以用在cmd中，使用java -version查看命令，之后把Language level修改为自身版本，如上图，我的是jdk1.8.选择的‘8-Lambdas,type annotation etc’]]></description><category></category></item><item><title><![CDATA[解决querySelectorAll获取的元素集合不能在forEach函数中使用函数]]></title><link>https://blog.youkuaiyun.com/ssigin/article/details/130253359</link><guid>https://blog.youkuaiyun.com/ssigin/article/details/130253359</guid><author>ssigin</author><pubDate>Wed, 19 Apr 2023 21:05:41 +0800</pubDate><description><![CDATA[NodeList 对象是节点的集合，通常是由属性，如Node.childNodes 和 方法，如document.querySelectorAll 返回的。你可以用 Array.prototype.forEach()你还可以使用 Array.from()不过，有些浏览器较为过时，没有实现。不是一个数组，但是可以使用。，是一个类似数组的对象 (]]></description><category></category></item><item><title><![CDATA[javascript中this指向问题]]></title><link>https://blog.youkuaiyun.com/ssigin/article/details/130253203</link><guid>https://blog.youkuaiyun.com/ssigin/article/details/130253203</guid><author>ssigin</author><pubDate>Wed, 19 Apr 2023 21:00:16 +0800</pubDate><description><![CDATA[如果函数在全局作用域下调用,里面的this就是window。在全局作用域下，this = window。]]></description><category></category></item><item><title><![CDATA[视口、二倍图]]></title><link>https://blog.youkuaiyun.com/ssigin/article/details/129960434</link><guid>https://blog.youkuaiyun.com/ssigin/article/details/129960434</guid><author>ssigin</author><pubDate>Tue, 04 Apr 2023 19:47:44 +0800</pubDate><description><![CDATA[于是二倍图就诞生了，用来解决这个问题，我们首先拿到一个100 * 100px得图片，把这张图片压缩成50 * 50px，然后把这张图片放到移动端中，在移动端中会把这张50 * 50px的图片放在一个100 * 100物理像素的区域（这个区域对应的css像素是50px * 50px)，会把这个图片放大两倍，刚好就是这张压缩图片的原图，就会显示的非常清晰。在全屏模式下，视口是设备屏幕的范围，窗口是浏览器窗口，浏览器窗口大小小于或等于视口的大小，并且文档是这个网站，文档的大小可比视口长或宽。注意：是网站的区域。]]></description><category></category></item><item><title><![CDATA[mouseenter和mouseover的区别]]></title><link>https://blog.youkuaiyun.com/ssigin/article/details/129868337</link><guid>https://blog.youkuaiyun.com/ssigin/article/details/129868337</guid><author>ssigin</author><pubDate>Thu, 30 Mar 2023 22:22:41 +0800</pubDate><description><![CDATA[mouseenter和mouseover的区别。]]></description><category></category></item><item><title><![CDATA[Uncaught TypeError: Cannot read properties of null (reading ‘addEventListener]]></title><link>https://blog.youkuaiyun.com/ssigin/article/details/129858891</link><guid>https://blog.youkuaiyun.com/ssigin/article/details/129858891</guid><author>ssigin</author><pubDate>Thu, 30 Mar 2023 15:35:43 +0800</pubDate><description><![CDATA[举例：<div class="box"></div>这个box前面忘加一个点，导致找不到元素。报错原因：选择器未找到。]]></description><category></category></item><item><title><![CDATA[用vue创建的项目后，使用了boostrap后，内容都是居中的，解决办法]]></title><link>https://blog.youkuaiyun.com/ssigin/article/details/129805942</link><guid>https://blog.youkuaiyun.com/ssigin/article/details/129805942</guid><author>ssigin</author><pubDate>Mon, 27 Mar 2023 22:39:42 +0800</pubDate><description><![CDATA[直接把根组件的App.vue中的<style></style>里面的内容清空。]]></description><category></category></item><item><title><![CDATA[Error: EPERM: operation not permitted, mkdir ‘C:\Program Files\nodejs\node_global“解决办法]]></title><link>https://blog.youkuaiyun.com/ssigin/article/details/129749369</link><guid>https://blog.youkuaiyun.com/ssigin/article/details/129749369</guid><author>ssigin</author><pubDate>Fri, 24 Mar 2023 13:59:31 +0800</pubDate><description><![CDATA[【代码】Error: EPERM: operation not permitted, mkdir ‘C:\Program Files\nodejs\node_global“解决办法。]]></description><category></category></item><item><title><![CDATA[javascript函数专题]]></title><link>https://blog.youkuaiyun.com/ssigin/article/details/129568194</link><guid>https://blog.youkuaiyun.com/ssigin/article/details/129568194</guid><author>ssigin</author><pubDate>Wed, 15 Mar 2023 20:50:38 +0800</pubDate><description><![CDATA[对于函数的命名方式有两种，一种是通过函数表达式来命名、另一种是通过函数声明来命名。比较有意思的是函数在JavaScript中的类型是Object,是一个对象。对于其他语言来说，这是匪夷所思的。先来演示一下函数的两种命名方式。]]></description><category></category></item><item><title><![CDATA[执行环境及作用域]]></title><link>https://blog.youkuaiyun.com/ssigin/article/details/129528135</link><guid>https://blog.youkuaiyun.com/ssigin/article/details/129528135</guid><author>ssigin</author><pubDate>Tue, 14 Mar 2023 16:01:10 +0800</pubDate><description><![CDATA[执行环境和作用域]]></description><category></category></item><item><title><![CDATA[nth-of-type和nth-child区别]]></title><link>https://blog.youkuaiyun.com/ssigin/article/details/129333868</link><guid>https://blog.youkuaiyun.com/ssigin/article/details/129333868</guid><author>ssigin</author><pubDate>Sat, 04 Mar 2023 14:27:51 +0800</pubDate><description><![CDATA[nth-of-type和nth-child]]></description><category></category></item><item><title><![CDATA[案例：仿小米logo渐变效果练习]]></title><link>https://blog.youkuaiyun.com/ssigin/article/details/129333566</link><guid>https://blog.youkuaiyun.com/ssigin/article/details/129333566</guid><author>ssigin</author><pubDate>Sat, 04 Mar 2023 14:04:34 +0800</pubDate><description><![CDATA[给两个伪元素添加hover标签，当标签被触动时，两个元素同时往右移动，加上transition属性即可实现效果。前端的一个小练习，运用到了伪元素+过渡+绝对定位+相对定位+元素隐藏。添加两个伪元素，让before覆盖在标签上，让left在标签的左边。结尾有素材，各位感兴趣可以练一下。设置一个标签和图片大小一样。]]></description><category></category></item><item><title><![CDATA[行高 line-height]]></title><link>https://blog.youkuaiyun.com/ssigin/article/details/129090931</link><guid>https://blog.youkuaiyun.com/ssigin/article/details/129090931</guid><author>ssigin</author><pubDate>Fri, 17 Feb 2023 18:59:25 +0800</pubDate><description><![CDATA[行高 line-height]]></description><category></category></item><item><title><![CDATA[Acwing 蛇形矩阵]]></title><link>https://blog.youkuaiyun.com/ssigin/article/details/127820290</link><guid>https://blog.youkuaiyun.com/ssigin/article/details/127820290</guid><author>ssigin</author><pubDate>Sat, 12 Nov 2022 15:11:52 +0800</pubDate><description><![CDATA[蛇形矩阵，模拟和搜索]]></description><category></category></item><item><title><![CDATA[Acwing779. 最长公共字符串后缀(模拟）]]></title><link>https://blog.youkuaiyun.com/ssigin/article/details/127796628</link><guid>https://blog.youkuaiyun.com/ssigin/article/details/127796628</guid><author>ssigin</author><pubDate>Thu, 10 Nov 2022 21:24:42 +0800</pubDate><description><![CDATA[字符串模拟好题]]></description><category></category></item></channel></rss>