Roger Cui (itabas016) 的个人博客：数据库、Linux、homelab 与 vibe coding。自 2016 年写作，2026 年以 Astro 重建，内容生产采用人机协作流水线。https://tech.itabas.com/zh-cnhttps://tech.itabas.com/blog/event-2019/https://tech.itabas.com/blog/event-2019/今年的元旦虽然过的跟平常的日子几乎一样，但总觉得这个 20 世纪 10 年代赋予了它深刻的意义，就像说的 2019 年是往年来最差的一年，但却是未来十年最好的一年。这谁又知道呢？总结还是要一如既往的回顾一下，才能打鸡血冲向未来，你说不是吗？Wed, 01 Jan 2020 00:00:00 GMTLifelife20192020https://tech.itabas.com/blog/event-2017/https://tech.itabas.com/blog/event-2017/前两天正好赶上新公司的年会，自己去年的总结一直没有写，到现在才开始写。去年一年有点像空白，年龄一大脑袋不太记事儿了。。。Sun, 21 Jan 2018 00:00:00 GMTLifelife20172018https://tech.itabas.com/blog/youget-download-tool/https://tech.itabas.com/blog/youget-download-tool/流媒体视频下载号称覆盖各大主流网站Youtube,Twitter, TED,Bilibili,iQIYI等等。Supported-sites 拿当前的几个网站测试玩玩Mon, 27 Nov 2017 00:00:00 GMTToolsCommand LineDownloadYou-GetLinuxTools流媒体下载https://tech.itabas.com/blog/baidu-pan-download-tool/https://tech.itabas.com/blog/baidu-pan-download-tool/首先这款工具是在找Aira2-RPC网盘下载时才发现的，原来的chrome插件BaiduExporter，去年用过一段时间，我自己感觉不是很好，不知道是不是用法不对还是怎么，Aria2老半天才弹出来，现在大家普遍反应百度云对此类连接做了限制，所以找了找其它的就发现了这个。初步试了试感觉还不错，可以继续把百度云上的…Sat, 25 Nov 2017 00:00:00 GMTToolsCommand LineDownloadBaiduYunLinuxRaspberryTools树莓派百度云盘网盘https://tech.itabas.com/blog/raspberry-pi3-wireless-repeater-server/https://tech.itabas.com/blog/raspberry-pi3-wireless-repeater-server/既然rasp又活了一开始想着用它来搞个WIFI中继。之前对这个原理不是很懂，也不知道具体是怎么实现的，这次搞一搞。 后来摸索着不妨就单开个热点做梯子用，其实中继模式和桥接模式很类似，表面上看可以简单的说只是无线SSID广播不同的信号，实际在实现上还是有诸多区别，这里就记一下所趟的坑。Mon, 13 Nov 2017 00:00:00 GMTRaspberryRaspberryWirelessWireless RepeaterWireless BridgerRouter树莓派无线中继https://tech.itabas.com/blog/raspberry-pi3-funny-service/https://tech.itabas.com/blog/raspberry-pi3-funny-service/前两天又看到了用树莓派可以做FM射频广播，感觉挺好玩的。另外简单的还有网络音频播放器，如果实现语音播报功能的话，类似的可以实现正点报时，闹钟提醒还有智能语音对话，当然咯这些的实现后面有时间的话一个一个来玩Fri, 10 Nov 2017 00:00:00 GMTRaspberryRaspberry树莓派FM射频网络播放器网易云音乐https://tech.itabas.com/blog/difference-with-various-methods/https://tech.itabas.com/blog/difference-with-various-methods/Python的instance方法，class方法，static方法和abstract方法。 实例方法的声明只需将第一个参数指定为self, 静态方法无参数要求。而类方法需将第一个参数指定为类cls。抽象方法是定义在基类中的一种方法，不提供任何实现。Sat, 23 Sep 2017 00:00:00 GMTPythonPython静态方法类方法抽象方法https://tech.itabas.com/blog/iterator-difference-with-generator/https://tech.itabas.com/blog/iterator-difference-with-generator/下面简单说一下迭代器和生成器的区别： 通常生成器是通过调用一个或多个yield表达式构成的函数。每个生成器都是迭代器。 而迭代器是一个抽象的概念，包括了iterable和iterator这两种实现。Sun, 17 Sep 2017 00:00:00 GMTPythonPythonIteratorGeneratorhttps://tech.itabas.com/blog/python-tutorial/https://tech.itabas.com/blog/python-tutorial/Python基础还是照着廖雪峰的教程撸了一遍。 教程的学习路线开始太过平缓，后期直线上升很容易扯着蛋Sat, 09 Sep 2017 00:00:00 GMTPythonPythonIteratorGeneratorDecoratorhttps://tech.itabas.com/blog/vps_bbr/https://tech.itabas.com/blog/vps_bbr/One-Step ## Quick installation(懒人一键安装)Tue, 29 Aug 2017 23:06:12 GMTVpsVpsVps BBRWikiTools加速https://tech.itabas.com/blog/vps_performance-check/https://tech.itabas.com/blog/vps_performance-check/折腾了两天Vps, 真可恨呢 几个月前挂了个hello-world在gce上, 也忘记关了. 今天一看账单扣了我60多刀, 我滴个神呢. 白花花的银子就这么没了. 可是手贱又把gcp的内存从1.7改成了0.6, 想着能省就省点吧. 鬼知道重新分配了个ip, 原来直联日本, 现在搞得要绕美国了, 延迟老高了. 哎Sun, 27 Aug 2017 21:19:01 GMTVpsVpsVps PerformanceWikiTools性能https://tech.itabas.com/blog/gdrive_backup/https://tech.itabas.com/blog/gdrive_backup/Recently, I have a plan to order a new vps service, but some data need migration and backup to google drive. So I found a tool gdrive, Let's begin!Sat, 26 Aug 2017 21:40:12 GMTToolsGoogle DriveDriveVpsToolshttps://tech.itabas.com/blog/git_tips/https://tech.itabas.com/blog/git_tips/Git容易忘的command ##Sat, 08 Apr 2017 22:11:04 GMTToolsGitTipsWikiToolshttps://tech.itabas.com/blog/ssh_key/https://tech.itabas.com/blog/ssh_key/Summary ## SSH Key分公钥和私钥, 私钥请自己妥善保管, 不要外泄。 另外采用ssh public key authentication是提升服务器安全与快捷措施之一。Sat, 08 Apr 2017 11:32:53 GMTToolsSSHSSH keyVpsWikiToolshttps://tech.itabas.com/blog/git_hooks/https://tech.itabas.com/blog/git_hooks/Quick Start ## 通过git hooks快速将blog push到vps, 懒人必备。Thu, 06 Apr 2017 23:05:01 GMTToolsGitGit HooksShortcutWikiToolshttps://tech.itabas.com/blog/event-2016/https://tech.itabas.com/blog/event-2016/转眼间2016就结束了，这一年发生了太多的事。有些感慨就写下来做个纪念吧。Sat, 31 Dec 2016 00:00:00 GMTLifelifehttps://tech.itabas.com/blog/oralce-script-maintaince/https://tech.itabas.com/blog/oralce-script-maintaince/This article is about oracle daily maintaince, mainly contains dbausers, v$session and dbaprofiles the three parts.Tue, 20 Dec 2016 00:00:00 GMTDatabaseDataBasehttps://tech.itabas.com/blog/oracle-script-restore-point-flash-back/https://tech.itabas.com/blog/oracle-script-restore-point-flash-back/Sometimes, varity business data need create restore point for differ performance test. So how to manange restore point and how to flashback, see the below ->Mon, 12 Dec 2016 00:00:00 GMTDatabaseOracleScripthttps://tech.itabas.com/blog/oracle-kt-ilm/https://tech.itabas.com/blog/oracle-kt-ilm/ILM is mean Information Lifecycle Management. It's practice of applying policies for effective management of information throughout its useful life. Implemen…Wed, 09 Nov 2016 00:00:00 GMTDatabaseOracleKThttps://tech.itabas.com/blog/oracle-kt-materialized-view/https://tech.itabas.com/blog/oracle-kt-materialized-view/A materialized view, or snapshot as they were previously known, is a table segment whose contents are periodically refreshed based on a query, either against…Wed, 09 Nov 2016 00:00:00 GMTDatabaseOracleKT