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ssl证书申请报错：challenge = [c for c in authorization[\'challenges\']...
...-01"][0] IndexError: list index out of range
原因：ACME不支持 *.xxx.com 通用域名，必须指定 a.xxx.com, b.xxx.com（DNS-01 challenge支持通配符）
参考：https://github.com/diafygi/acme-tiny/issues/213
acme ssl dns
stdbool.h C99标准杂谈 - c++1y / stl - 清泛IT社区，为创新赋能！
...ki/C99)。所以stdbool.h就不能在vc里面用：
http://msdn.microsoft.com/en-us/library/02y9a5ye.aspx
Microsoft C conforms to the standard for the C language as set forth in the 9899:1990 edition of the ANSI C standard.
VS2012不支持：
https://social.msdn.microsoft.com/Forums/zh-CN/1981...
GIF截图工具, 三款免费好用的Gif截图工具推荐 - 更多技术 - 清泛网 - 专注C...
...单文件点此下载：GifCam zip官网地址：http: blog bahraniapps com gif 1. GifCam – 简单好用的 GIF 动画录制软件
推荐理由：小巧，几百KB单文件，功能简单，立马上手。
单文件点此下载：GifCam.zip
官网地址：http://blog.bahraniapps.com/gifc...
qrcodejs：根据URL地址生成二维码 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...引入两个js：<script type="text javascript" src="https: www tsingfun com statics js jquer qrcodejs下载地址：http://davidshimjs.github.io/qrcodejs/
用起来很简单，页面中引入两个js：
<script type="text/javascript" src="https://www.tsingfun.com/statics/js/jquery.min.js"></...
App Inventor 2 MQTT拓展入门（保姆级教程） · App Inventor 2 中文网
...。
MQTT测试平台：
中文平台推荐：bemfa.com 界面简洁，对入门者友好。当然也可以选择稍复杂的，大厂平台如：阿里云、华为云等都提供物联网云平台。
英文平台推荐：HiveMQ(https://www.mqtt-dashboard.com/)...
Hide console window from Process.Start C#
...ocess without showing the console window. I tested with several different combinations of property values until I found one that exhibited the behavior I wanted.
Here is a page detailing why the UseShellExecute property must be set to false.
http://msdn.microsoft.com/en-us/library/system.diagno...
MySQL convert date string to Unix timestamp
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javax.xml.bind.UnmarshalException: unexpected element (uri:“”, local:“Group”)
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Check out: stackoverflow.com/questions/5203531/…
– bdoughan
Mar 5 '11 at 11:48
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Change R default library path using .libPaths in Rprofile.site fails to work
... Windows, not as an administrator. When I install a package, the following command doesn't work:
15 Answers
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