January 2019

Windows 10 Home Edition Add Hyper-V Virtual Machine

Author: Chuwen
Time: 2019-01-30
Classification: Windows
4 comments

Windows10 home version does not have Hyper-V virtual machine, while professional version or server version or above systems have Hyper-V virtual machine, Control Panel - Programs and Features -> Turn Windows features on or off Check Hyper-V OK.

Installing Hyper-V for Home Edition is not complicated at all, it only needs a script

1、 Check whether the computer configuration meets the requirements first.

The CPU supports Data Execution Protection (DEP).
CPU supports hardware virtualization technology.
CPU 64 bit processor.
The minimum memory is 2GB.

-Read the rest-

PHP judges whether Email has a custom avatar in Gravatar

Author: Chuwen
Time: 2019-01-20
Classification: PHP
2 comments

<trans data-src="```php">```php</trans> <trans data-src="<?"><?</trans> <trans data-src="php">php</trans> <trans data-src="function check_have_avatar($email){">function check_have_avatar($email){</trans> <trans data-src="$md5 = md5(strtolower(trim($email)));">$md5 = md5(strtolower(trim($email)));</trans> <trans data-src="$ch = curl_init();">$ch = curl_init();</trans> <trans data-src="curl_setopt($ch, CURLOPT_URL, "">curl_setopt($ch, CURLOPT_URL, "</trans> <trans data-src="http://www.gravatar.com/avatar/">http://www.gravatar.com/avatar/</trans> <trans data-src="{$md5}");">{$md5}");</trans> <trans data-src="curl_setopt($ch, CURLOPT_HTTPHEADER, [">curl_setopt($ch, CURLOPT_HTTPHEADER, [</trans> <trans data-src="'User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36'">'User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36'</trans> <trans data-src="]);">]);</trans> <trans data-src="curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);">curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);</trans> <trans data-src="$result = curl_exec($ch);">$result = curl_exec($ch);</trans> <trans data-src="curl_close($ch);">curl_close($ch);</trans> <trans data-src="if(md5($result) === 'd5fe5cbcc31cff5f8ac010db72eb000c'){">if(md5($result) === 'd5fe5cbcc31cff5f8ac010db72eb000c'){</trans> <trans data-src="return false;">return false;</trans> <trans data-src="}">}</trans> <trans data-src="return $result;">return $result;</trans> <trans data-src="}">}</trans> <trans data-src="if(!check_have_avatar('">if(!check_have_avatar('</trans> <trans data-src="ne@nowtime.cc">ne@nowtime.cc</trans> <trans data-src="')){">')){</trans> <trans data-src="echo '没有自定义头像';">Echo 'No custom avatar';</trans> <trans data-src="}else{">}else{</trans> <trans data-src="echo '有自定义头像';">Echo 'There are custom avatars';</trans> <trans data-src="}">}</trans> <trans data-src="```">```</trans>

ThinkPHP 5.1 Solution to the problem of using Md MDAvatars to output images that cannot be displayed

Author: Chuwen
Time: 2019-01-20
Classification: PHP
comment

<trans data-src="# 代码如下：">#The codes are as follows:</trans> <trans data-src="```php">```php</trans> <trans data-src="<?"><?</trans> <trans data-src="php">php</trans> <trans data-src="/**">/**</trans> <trans data-src="* Created by PhpStorm.">* Created by PhpStorm.</trans> <trans data-src="* Date: 2019/1/20">* Date: 2019/1/20</trans> <trans data-src="* Time: 9:53">* Time: 9:53</trans> <trans data-src="*/">*/</trans> <trans data-src="namespace app\api\controller;">namespace app\api\controller;</trans> <trans data-src="use Md\MDAvatars;">use Md\MDAvatars;</trans> <trans data-src="class Avatars">class Avatars</trans> <trans data-src="{">{</trans> <trans data-src="public function index()">public function index()</trans> <trans data-src="{">{</trans> <trans data-src="$Avatar = new MDAvatars('X', 512);">$Avatar = new MDAvatars('X', 512);</trans> <trans data-src="$Avatar->Output2Browser();">$Avatar->Output2Browser();</trans> <trans data-src="}">}</trans> <trans data-src="}">}</trans> <trans data-src="```">```</trans> <trans data-src="# 输出结果">#Output results</trans> <trans data-src="!">!</trans> <trans data-src="[Snipaste_2019-01-20_10-08-47.png][1]">[Snipaste_2019-01-20_10-08-47.png][1]</trans> <trans data-src="# 解决办法">#Solution</trans> <trans data-src="在 `$Avatar->Output2Browser();` ">In ` $Avatar ->Output2Browser()`</trans> <trans data-src="上一行加一句 `ob_end_clean();` ">Add a sentence 'ob_end_clean()' to the previous line`</trans> <trans data-src="即可解决">Can be solved</trans> <trans data-src="```">```</trans> <trans data-src="<?"><?</trans> <trans data-src="php">php</trans> <trans data-src="/**">/**</trans> <trans data-src="* Created by PhpStorm.">* Created by PhpStorm.</trans> <trans data-src="* Date: 2019/1/20">* Date: 2019/1/20</trans> <trans data-src="* Time: 9:53">* Time: 9:53</trans> <trans data-src="*/">*/</trans> <trans data-src="namespace app\api\controller;">namespace app\api\controller;</trans> <trans data-src="use Md\MDAvatars;">use Md\MDAvatars;</trans> <trans data-src="class Avatars">class Avatars</trans> <trans data-src="{">{</trans> <trans data-src="public function index()">public function index()</trans> <trans data-src="{">{</trans> <trans data-src="$Avatar = new MDAvatars('X', 512);">$Avatar = new MDAvatars('X', 512);</trans> <trans data-src="ob_end_clean();">ob_end_clean();</trans> <trans data-src="$Avatar->Output2Browser();">$Avatar->Output2Browser();</trans> <trans data-src="}">}</trans> <trans data-src="}">}</trans> <trans data-src="```">```</trans> <trans data-src="!">!</trans> <trans data-src="[Snipaste_2019-01-20_10-12-15.png][2]">[Snipaste_2019-01-20_10-12-15.png][2]</trans> <trans data-src="[1]: ">[1]: </trans> <trans data-src="https://cdn.nowtime.cc/2019/01/20/2675926716.png">https://cdn.nowtime.cc/2019/01/20/2675926716.png</trans> <trans data-src="[2]: ">[2]: </trans> <trans data-src="https://cdn.nowtime.cc/2019/01/20/649354710.png">https://cdn.nowtime.cc/2019/01/20/649354710.png</trans>

Composer FAQs

Author: Chuwen
Time: 2019-01-20
Classification: PHP
comment

<trans data-src="原文链接：[Composer常见问题][1]">Original link: [Composer FAQ] [1]</trans> <trans data-src="安装了Composer后，运行 `composer --version`，查看Composer的版本号。">After installing Composer, run 'Composer -- version' to view the version number of Composer.</trans> <trans data-src="如果出现下面的提示，那么软件安装成功。">If the following prompt appears, the software installation is successful.</trans> <trans data-src="```">```</trans> <trans data-src="Composer version 1.2.0 2016-07-19 01:28:52">Composer version 1.2.0 2016-07-19 01:28:52</trans> <trans data-src="```">```</trans> <trans data-src="若想给某个项目添加类似monolog的第三方库，则按下面的步骤操作：">If you want to add a third-party library similar to Monolog to a project, follow the steps below:</trans> <trans data-src="新建 `composer.json` 文件，添加内容：">Create a new 'composer. json' file and add content:</trans> <trans data-src="```">```</trans> <trans data-src="{">{</trans> <trans data-src=""require": {">"require": {</trans> <trans data-src=""monolog/monolog": "1.20.0"">"monolog/monolog": "1.20.0"</trans> <trans data-src="},">},</trans> <trans data-src=""repositories": {">"repositories": {</trans> <trans data-src=""packagist": {">"packagist": {</trans> <trans data-src=""type": "composer",">"type": "composer",</trans> <trans data-src=""url": "">"url": "</trans> <trans data-src="https://packagist.phpcomposer.com">https://packagist.phpcomposer.com</trans> <trans data-src=""    // Mirror site in China.">"    // Mirror site in China.</trans> <trans data-src="}">}</trans> <trans data-src="}">}</trans> <trans data-src="}">}</trans> <trans data-src="```">```</trans> <trans data-src="以命令行方式打开项目的根目录，输入命令：`composer install`">Open the root directory of the project in the command line mode, and enter the command: ` composer install`</trans> <trans data-src="正常情况下，一切顺利，执行完上述命令就能够成功导入 monolog 库到项目中。">Under normal circumstances, everything goes smoothly. After executing the above command, you can successfully import the monolog library into the project.</trans> <trans data-src="但是，现实与想象总是有段距离，上面只是走完了“长征”路程的一半，还有“雪山”要翻、“草地”要过呢！">However, there is always a distance between reality and imagination. It is only half of the journey of the "Long March". There are still "snow mountains" to turn over and "grasslands" to cross!</trans> <trans data-src="执行完命令：`composer install` 后，并不会像期待那样地导入依赖，而是抛出异常。">After executing the command: 'composer install', the dependency will not be imported as expected, but an exception will be thrown.</trans> <trans data-src="> The openssl extension is required for SSL/TLS protection but is not available. ">> The openssl extension is required for SSL/TLS protection but is not available. </trans> <trans data-src="If you can not enable the openssl exension, you can disable this error, at your own risk, by setting the ‘disable-tls’ option to true.">If you can not enable the openssl exension, you can disable this error, at your own risk, by setting the ‘disable-tls’ option to true.</trans> <trans data-src="这段异常日志的大致意思是，Composer 采用 SSL 连接，需要外挂 OpenSSL 插件。">The general meaning of this exception log is that Composer uses SSL connection and requires an external OpenSSL plug-in.</trans> <trans data-src="要消除这个异常，有两种解决方式，一是放弃SSL连接、直接“裸奔”；">To eliminate this exception, there are two solutions. One is to give up the SSL connection and directly "run naked";</trans> <trans data-src="二是启用 OpenSSL。">The second is to enable OpenSSL.</trans> <trans data-src="取消SSL连接的命令是 `composer config -g -- disable-tls true`。">The command to cancel the SSL connection is' composer config - g -- disable tls true '.</trans> <trans data-src="然而并没有什么卵用，试过之后，又抛出了新的异常。">However, there was no egg use. After trying, a new exception was thrown.</trans> <trans data-src="剩下来的方案就是尝试启用 OpenSSL。">The remaining solution is to try to enable OpenSSL.</trans> <trans data-src="安装了PHP后，安装目录（类似C:\php-5.6.24）中包含两个文件，一个是php.ini-development，另一个是php.ini-production，选择将其中任意的一个文件重命名为 `php.ini`，用作PHP的默认配置文件。">After installing PHP, the installation directory (similar to C:  php-5.6.24) contains two files, one is php.ini-development, the other is php.ini-production. Choose to rename any of these files to 'php. ini' as the default configuration file for PHP.</trans> <trans data-src="通过修改配置文件来启用OpenSSL插件。">Enable the OpenSSL plug-in by modifying the configuration file.</trans> <trans data-src="编辑php.ini文件，首先，定位到：">Edit the php.ini file. First, navigate to:</trans> <trans data-src="```">```</trans> <trans data-src="; ">; </trans> <trans data-src="Directory in which the loadable extensions (modules) reside.">Directory in which the loadable extensions (modules) reside.</trans> <trans data-src="; ">; </trans> <trans data-src="http://php.net/extension-dir">http://php.net/extension-dir</trans> <trans data-src="extension_dir = "./"">extension_dir = "./"</trans> <trans data-src="; ">; </trans> <trans data-src="On windows:">On windows:</trans> <trans data-src="extension_dir = "ext"">extension_dir = "ext"</trans> <trans data-src="```">```</trans> <trans data-src="删除 `extension_dir = "./"` 和 `extension_dir = "ext"` 前面的分号，取消注释这两行代码，配置 PHP 插件目录为./">Delete the semicolon before 'extension_dir="./"' and 'extension_dir="ext"', uncomment these two lines of code, and configure the PHP plug-in directory as/</trans> <trans data-src="ext。">ext。</trans> <trans data-src="然后，定位到：">Then, navigate to:</trans> <trans data-src="```">```</trans> <trans data-src="...">...</trans> <trans data-src=";">;</trans> <trans data-src="extension=php_mysqli.dll">extension=php_mysqli.dll</trans> <trans data-src=";">;</trans> <trans data-src="extension=php_oci8_12c.dll  ; ">extension=php_oci8_12c.dll  ; </trans> <trans data-src="Use with Oracle Database 12c Instant Client">Use with Oracle Database 12c Instant Client</trans> <trans data-src="extension=php_openssl.dll">extension=php_openssl.dll</trans> <trans data-src=";">;</trans> <trans data-src="extension=php_pdo_firebird.dll">extension=php_pdo_firebird.dll</trans> <trans data-src=";">;</trans> <trans data-src="extension=php_pdo_mysql.dll">extension=php_pdo_mysql.dll</trans> <trans data-src=";">;</trans> <trans data-src="extension=php_pdo_oci.dll">extension=php_pdo_oci.dll</trans> <trans data-src=";">;</trans> <trans data-src="extension=php_pdo_odbc.dll">extension=php_pdo_odbc.dll</trans> <trans data-src="...">...</trans> <trans data-src="```">```</trans> <trans data-src="删除 `extension=php_openssl.dll` 前面的分号，取消注释，从而启用 `OpenSSL` 插件。">Delete the semicolon before 'extension=php_openssl. dll' and uncomment it to enable the 'OpenSSL' plug-in.</trans> <trans data-src="注意：因为 SSL 连接需要认证，所以继续下面的步骤之前，需要准备好CA证书（建议把证书保存到 `C:\php-5.6.24\verify` 目录中），可以从 `">Note: Since the SSL connection requires authentication, you need to prepare the CA certificate before continuing the following steps (it is recommended to save the certificate in the directory 'C:  php-5.6.24  verify')`</trans> <trans data-src="https://curl.haxx.se/docs/caextract.html">https://curl.haxx.se/docs/caextract.html</trans> <trans data-src="` 处下载。">`Download at.</trans> <trans data-src="接下来，定位到">Next, navigate to</trans> <trans data-src="```">```</trans> <trans data-src=";">;</trans> <trans data-src="openssl.cafile= ">openssl.cafile= </trans> <trans data-src="```">```</trans> <trans data-src="和上面一样，删去分号，取消注释，设置CA证书为 `openssl.cafile= C:\php-5.6.24\verify\cacert.pem`。">As above, delete the semicolon, uncomment, and set the CA certificate to 'openssl. cafile=C:  php-5.6.24  verify  cacert. pem'.</trans> <trans data-src="最后， 重新在命令行窗口中打开项目的根目录，执行命令：`composer install`，等待几分钟后，就可以成功添加 monolog 依赖。">Finally, re open the root directory of the project in the command line window and execute the command: 'composer install'. After a few minutes, you can successfully add the monolog dependency.</trans> <trans data-src="[1]: ">[1]: </trans> <trans data-src="https://mp.weixin.qq.com/s?__biz=MzI5NzQwNzY4Ng==&mid=2247483652&idx=1&sn=23ca573af8d41cda0d4f5270b25020d2&scene=4#wechat_redirect">https://mp.weixin.qq.com/s?__biz=MzI5NzQwNzY4Ng==&mid=2247483652&idx=1&sn=23ca573af8d41cda0d4f5270b25020d2&scene=4#wechat_redirect</trans>

(August 2018) International export bandwidth of China's main backbone networks | 42nd Statistical Report on China's Internet Development

Author: Chuwen
Time: 2019-01-19
Classification: talk of everything under the sun
comment

<trans data-src="# 骨干网">#Backbone network</trans> <trans data-src="> ## 定义：">># # Definition:</trans> <trans data-src="> Internet backbone：Internet 骨干网">>Internet backbone: Internet backbone</trans> <trans data-src="几台计算机连接起来，互相可以看到其他人的文件，这叫局域网，整个城市的计算机都连接起来，就是城域网，把城市之间连接起来的网就叫骨干网。">When several computers are connected, they can see other people's files. This is called LAN. Computers in the whole city are connected, which is called MAN. The network connecting cities is called backbone network.</trans> <trans data-src="这些骨干网是国家批准的可以直接和国外连接的互联网。">These backbone networks are the Internet approved by the state and can be directly connected with foreign countries.</trans> <trans data-src="其他有接入功能的ISP（互联网服务提供商）想连到国外都得通过这些骨干网。">Other ISPs (Internet service providers) with access function have to use these backbone networks if they want to go abroad.</trans> <trans data-src="# 中国主要骨干网络国际出口带宽数">#International export bandwidth of China's main backbone networks</trans> <trans data-src="> 参考数据：[第42次《中国互联网络发展状况统计报告》][1] 2018/08/20 17:24">>Reference data: [42nd Statistical Report on the Development of Internet in China] [1] 2018/08/20 17:24</trans> <trans data-src="> 数据来源：[中国互联网络信息中心][2]">>Data source: [China Internet Network Information Center] [2]</trans> <trans data-src="|             |  国际出口带宽数（Mbps）  |">|| International outlet bandwidth (Mbps)|</trans> <trans data-src="| -----:      |         :----:         |">| -----:      |         :----:         |</trans> <trans data-src="| 中国电信     |       4,422,215        |">|China Telecom | 4422215|</trans> <trans data-src="| 中国联通     |       2,274,207        |">|China Unicom | 2274207|</trans> <trans data-src="| 中国移动     |       2,007,000        |">|China Mobile | 2007000|</trans> <trans data-src="| 中国教育和科研计算机网（CERNET） |  61,440  |">|China Education and Research Network (CERNET) | 61440|</trans> <trans data-src="| 中国科技网（CSTNET）     |       61,440        |">|CSTNET | 61440|</trans> <trans data-src="|    合计    |        8,826,302        |">|Total | 8826302|</trans> <trans data-src="!">!</trans> <trans data-src="[主要骨干网络国际出口带宽数.png][3]">[Number of international export bandwidth of main backbone networks. png] [3]</trans> <trans data-src="# 最新数据">#Latest data</trans> <trans data-src="- [(2020年4月)中国主要骨干网络国际出口带宽数 | 第45次《中国互联网络发展状况统计报告》](">-[(April 2020) International export bandwidth of China's main backbone networks | 45th Statistical Report on China's Internet Development]（</trans> <trans data-src="https://nowtime.cc/news/1208.html">https://nowtime.cc/news/1208.html</trans> <trans data-src=")">)</trans> <trans data-src="- [(2019年2月)中国主要骨干网络国际出口带宽数 | 第43次《中国互联网络发展状况统计报告》](">-[(February 2019) International export bandwidth of China's main backbone networks | 43rd Statistical Report on the Development of China's Internet]（</trans> <trans data-src="https://nowtime.cc/news/757.html">https://nowtime.cc/news/757.html</trans> <trans data-src=")">)</trans> <trans data-src="[1]: ">[1]: </trans> <trans data-src="http://www.cnnic.cn/hlwfzyj/hlwxzbg/hlwtjbg/201808/P020180820630889299840.pdf">http://www.cnnic.cn/hlwfzyj/hlwxzbg/hlwtjbg/201808/P020180820630889299840.pdf</trans> <trans data-src="[2]: ">[2]: </trans> <trans data-src="http://www.cnnic.cn">http://www.cnnic.cn</trans> <trans data-src="[3]: ">[3]: </trans> <trans data-src="https://cdn.nowtime.cc/2019/01/19/1502316627.png">https://cdn.nowtime.cc/2019/01/19/1502316627.png</trans>

January 2019

Windows 10 Home Edition Add Hyper-V Virtual Machine

Windows10 home version does not have Hyper-V virtual machine, while professional version or server version or above systems have Hyper-V virtual machine, Control Panel - Programs and Features -> Turn Windows features on or off Check Hyper-V OK.

Installing Hyper-V for Home Edition is not complicated at all, it only needs a script

1、 Check whether the computer configuration meets the requirements first.

PHP judges whether Email has a custom avatar in Gravatar

ThinkPHP 5.1 Solution to the problem of using Md MDAvatars to output images that cannot be displayed

Composer FAQs

(August 2018) International export bandwidth of China's main backbone networks | 42nd Statistical Report on China's Internet Development

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