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windydaysV2EX member #40850, joined on 2013-06-19 01:20:50 +08:00 |
| 《TLS 协议分析 与 现代加密通信协议设计》 SSL • windydays • Sep 21, 2015 |
| 建议 V2EX 打开 HTST V2EX • windydays • Aug 8, 2015 • Lastly replied by raincious | 20 |
windydays's recent replies
可以用 ffmpeg 检测黑屏，有个 blackframe filter 可以用。
Oct 31, 2016 Replied to a topic by eloah › Linux › 如何确保系统中某个程序只存在一个实例 |
一般是用 flock(), O_CREAT|O_RDWR 打开一个文件，然后 flock( LOCK_EX|LOCK_NB )
http://stackoverflow.com/questions/2964391/preventing-multiple-process-instances-on-linux
http://stackoverflow.com/questions/5339200/how-to-create-a-single-instance-application-in-c-or-c
https://github.com/qtproject/qt-solutions/tree/master/qtsingleapplication/src
http://stackoverflow.com/questions/2964391/preventing-multiple-process-instances-on-linux
http://stackoverflow.com/questions/5339200/how-to-create-a-single-instance-application-in-c-or-c
https://github.com/qtproject/qt-solutions/tree/master/qtsingleapplication/src
Sep 25, 2015 Replied to a topic by abcdabcd987 › 程序员 › 现在在数据库保存个密码也好麻烦啊…… |
@colatin 真有人这么干？
May 14, 2015 Replied to a topic by xiaolvmu › 分享发现 › Nginx 配合 BoringSSL 进行编译，并且启用 chacha20-poly1305 加密教程 |
之前做了一个nginx+openssl+chacha20-poly1305的配置，可以看：
https://blog.helong.info/blog/2015/05/08/https-config-optimize-in-nginx/
https://blog.helong.info/blog/2015/05/08/https-config-optimize-in-nginx/
May 13, 2015 Replied to a topic by php230 › PHP › PHP 怎么实现对非法图片的过滤？ |
之前看到有这种web service： http://www.tuputech.com/
Apr 22, 2015 Replied to a topic by Showfom › SSL › 国内个人用户以及公司用户能接受的收费 SSL 证书价位 |
泛域名100一年，想玩ECDSA证书
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