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301 Moved Permanently - devhc.com
HTTP Status: 301
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Connection: keep-alive
Content-Length: 162
Server: GitHub.com
Content-Type: text/html
Location: https://devhc.com/
X-GitHub-Request-Id: 27C9:21B8CF:120C6C:123141:6811FBF6
Accept-Ranges: bytes
Age: 0
Date: Wed, 30 Apr 2025 10:31:18 GMT
Via: 1.1 varnish
X-Served-By: cache-hel1410032-HEL
X-Cache: MISS
X-Cache-Hits: 0
X-Timer: S1746009079.633260,VS0,VE124
Vary: Accept-Encoding
X-Fastly-Request-ID: c0946908912837460dfac8d807cb9038e0bd3bb3

HTTP Code 301 Moved Permanently

301 status code means that the requested resource has been permanently moved to a new URL. All future requests should use the new address.

When is Code 301 used?

  • When changing a website domain
  • When modifying URL structures
  • When setting up redirects for SEO

What does Code 301 mean for the user?

The browser will automatically redirect the user to the new address, and search engines will update their indexes.

200 OK - https://devhc.com/
HTTP Status: 200
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Connection: keep-alive
Content-Length: 28115
Server: GitHub.com
Content-Type: text/html; charset=utf-8
Last-Modified: Tue, 09 Jul 2024 09:05:39 GMT
Access-Control-Allow-Origin: *
ETag: "668cfd63-6dd3"
expires: Wed, 30 Apr 2025 10:41:19 GMT
Cache-Control: max-age=600
x-proxy-cache: MISS
X-GitHub-Request-Id: 710A:3592E:119F72:11C40D:6811FBF7
Accept-Ranges: bytes
Age: 0
Date: Wed, 30 Apr 2025 10:31:19 GMT
Via: 1.1 varnish
X-Served-By: cache-hel1410024-HEL
X-Cache: MISS
X-Cache-Hits: 0
X-Timer: S1746009079.364575,VS0,VE139
Vary: Accept-Encoding
X-Fastly-Request-ID: 5149815cef08a7a945d0125b0cc5a3de324d15c8

HTTP Code 200 OK

200 status code is a standard successful HTTP server response. It means that the client’s request (e.g., from a browser) was successfully processed, and the server is delivering the requested data.

When is Code 200 used?

  • When loading a web page
  • When successfully receiving an API response
  • When processing a form or another HTTP request

What does Code 200 mean for the user?

The user receives content without errors, and the page or application functions properly. If Code 200 is accompanied by data, the browser or program processes and displays it to the user.

GET / HTTP/1.1
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        <time class="post-time" title="2023-05-23 11:38:25" datetime="2023-05-23T03:38:25.000Z"  itemprop="datePublished">2023-05-23</time>

        
	<ul class="article-category-list"><li class="article-category-list-item"><a class="article-category-list-link" href="/categories/cpp/">cpp</a><ul class="article-category-list-child"><li class="article-category-list-item"><a class="article-category-list-link" href="/categories/cpp/lang/">lang</a></li></ul></li></ul>



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    <h3 class="post-title" itemprop="name">
      <a class="post-title-link" href="/cpp/lang/cpp-stringview/">c++ stringview</a>
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        C++ StringView在 C++17 中，引入了 std::string_view 类型，它是一个轻量级的、不可变的字符串视图，可以用来代替 const char* 和 const std::string&amp;，并且提供了许多方便的方法来操作字符串。比如在一些新兴语言 rust 设计就直接支持&amp;str 切片
创建 StringView可以通过以下方式来创建 std::str...
    

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    <h3 class="post-title" itemprop="name">
      <a class="post-title-link" href="/mac/mac-mac-upgrade-a1398/">mac a1398 升级ssd更换电池 添加变相片</a>
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        家里一台老的mac book pro 由于时间旧发热严重，电池基本持续一个小时，循环次数600多，升级一下配件当做备用机
准备工作
电脑背面 确定A1398 ,关于本机 2013 latest mbp
准备usb 128
在淘宝购买 不到1k
三星980 1T
m.2 nvme ssd 转接头
A1398 电池
拆机套装工具包 可选，电池一般会送螺丝刀



系统文件准备
download ...
    

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    <h3 class="post-title" itemprop="name">
      <a class="post-title-link" href="/linux/i3/tools-i3/">i3</a>
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        I3 WM 使用I3 WM是一个非常轻量平铺式linux桌面管理器，可自由定制可以几乎不需要鼠标在workspace,terminal 之间来回切换
OS: Ubuntu 22.04
1apt-get install i3

注销退出，在登录界面选择桌面 I3
进入提示生成默认配置，绑定Key 比如Win，配置生成 ~&#x2F;.config&#x2F;i3&#x2F;config大部分k...
    

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        <time class="post-time" title="2019-12-15 14:10:11" datetime="2019-12-15T06:10:11.000Z"  itemprop="datePublished">2019-12-15</time>

        
	<ul class="article-category-list"><li class="article-category-list-item"><a class="article-category-list-link" href="/categories/tensorflow/">tensorflow</a><ul class="article-category-list-child"><li class="article-category-list-item"><a class="article-category-list-link" href="/categories/tensorflow/pycharm/">pycharm</a></li></ul></li></ul>



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    <h3 class="post-title" itemprop="name">
      <a class="post-title-link" href="/tensorflow/pycharm/tools-pycharm/">pycharm 支持tensorflow提示</a>
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        pycharm 支持tensorflow提示默认tensorflow package keras是通过_LazyLoader 方式延迟加载 导致pycharm 不能正常提示可以通过_typing.TYPE_CHECKING 判断是否类型检查直接import keras
site-packages&#x2F;tensorflow&#x2F;init.py near line 387 左右
12...
    

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        <time class="post-time" title="2019-10-11 10:06:12" datetime="2019-10-11T02:06:12.000Z"  itemprop="datePublished">2019-10-11</time>

        
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    <h3 class="post-title" itemprop="name">
      <a class="post-title-link" href="/cpp/libs/cpp-libs-jsoncpp/">JsonCpp Guide</a>
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        Github
Documentation
Official ApiDoc 新版用法
jsoncpp WikiBook 该文档是老版本写法

Install
Build From Source12345mkdir buildcd buildcmake -DCMAKE_INSTALL_PREFIX=/opt/cpplibs ..makemake install
使用包管理工具 缺点不能灵活控制版...
    

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        <time class="post-time" title="2019-09-27 19:39:10" datetime="2019-09-27T11:39:10.000Z"  itemprop="datePublished">2019-09-27</time>

        
	<ul class="article-category-list"><li class="article-category-list-item"><a class="article-category-list-link" href="/categories/tensorflow/">tensorflow</a><ul class="article-category-list-child"><li class="article-category-list-item"><a class="article-category-list-link" href="/categories/tensorflow/framework/">framework</a></li></ul></li></ul>



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    <h3 class="post-title" itemprop="name">
      <a class="post-title-link" href="/tensorflow/framework/tensorflow-tf-print/">Tensorflow print</a>
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        tf.Print 该op已经deprecated,目前已经不建议使用 以前大部分使用tf.Print 打印变量类似一下代码 1234some_op = ...some_op = tf.Print(some_op, [tf.shape(some_op), &quot;some_op:&quot;])...sess.run(some_op) 这个API已经在新的里面被移除了,使用小写tf.pri...
    

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        <time class="post-time" title="2019-09-26 23:14:54" datetime="2019-09-26T15:14:54.000Z"  itemprop="datePublished">2019-09-26</time>

        
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      <a class="post-title-link" href="/math/math-2019-09-26-calculas/">微积分</a>
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        微积分3Blue1Brown 微积分的本质bilibili
极限和无穷小导数一个函数在某一点的导数描述了这个函数在这一点附近的变化率导数的本质是通过极限的概念对函数进行局部的线性逼近。当函数 ${\displaystyle f}$ 的自变量在一点 ${\displaystyle x_{0}} $上产生一个增量 ${\displaystyle h}$ 时，函数输出值的增量与自变量增量 ${\d...
    

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        <time class="post-time" title="2019-09-09 10:41:21" datetime="2019-09-09T02:41:21.000Z"  itemprop="datePublished">2019-09-09</time>

        
	<ul class="article-category-list"><li class="article-category-list-item"><a class="article-category-list-link" href="/categories/container/">container</a><ul class="article-category-list-child"><li class="article-category-list-item"><a class="article-category-list-link" href="/categories/container/kubernetes/">kubernetes</a></li></ul></li></ul>



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    <h3 class="post-title" itemprop="name">
      <a class="post-title-link" href="/container/kubernetes/k8s-install-k8s/">install kubernetes in china</a>
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        install kubernets in china官方文档
1. 环境相关设置
关闭swap然后需要禁用swap文件，这是Kubernetes的强制步骤。实现它很简单，编辑&#x2F;etc&#x2F;fstab文件，注释掉引用swap的行 去掉开机挂载swap如果不重启 可以sudo swapoff -a 可以直接关掉对于禁用swap内存，主要是为了性能考虑，具体原因可以查看Github...
    

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        <time class="post-time" title="2019-03-20 16:31:22" datetime="2019-03-20T08:31:22.000Z"  itemprop="datePublished">2019-03-20</time>

        
	<ul class="article-category-list"><li class="article-category-list-item"><a class="article-category-list-link" href="/categories/linux/">linux</a><ul class="article-category-list-child"><li class="article-category-list-item"><a class="article-category-list-link" href="/categories/linux/tools/">tools</a><ul class="article-category-list-child"><li class="article-category-list-item"><a class="article-category-list-link" href="/categories/linux/tools/git/">git</a></li></ul></li></ul></li></ul>



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      <a class="post-title-link" href="/linux/tools/git/tools-git/">Git</a>
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        Git 技巧不同域名使用不同秘钥修改~&#x2F;.ssh&#x2F;config
12345Host example.com    IdentityFile ~/.ssh/id_rsa_exampleHost github.com    IdentityFile ~/.ssh/id_rsa_github

git 多commit 支持区分公司commit信息和个人commit信息单独每次用...
    

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        <time class="post-time" title="2019-03-08 18:10:00" datetime="2019-03-08T10:10:00.000Z"  itemprop="datePublished">2019-03-08</time>

        
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        JPA中的Join操作在使用JPA进行数据查询时，经常需要使用到Join操作，以获取相关联的数据。JPA中提供了三种Join类型：INNER JOIN、LEFT JOIN和RIGHT JOIN。本文将介绍这三种Join类型的语法，以及在Spring中如何使用JPA进行Join操作。
Join类型INNER JOININNER JOIN是最常用的Join类型，它只返回两个表中都存在的数据。语法...
    

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