<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[aheartfulguy的专栏]]></title><description><![CDATA[专注技术]]></description><link>https://blog.youkuaiyun.com/aheartfulguy</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; aheartfulguy]]></copyright><item><title><![CDATA[开源flink对接华为云OBS]]></title><link>https://blog.youkuaiyun.com/aheartfulguy/article/details/128146191</link><guid>https://blog.youkuaiyun.com/aheartfulguy/article/details/128146191</guid><author>aheartfulguy</author><pubDate>Fri, 02 Dec 2022 12:46:08 +0800</pubDate><description><![CDATA[大数据]]></description><category></category></item><item><title><![CDATA[HTML5的思考]]></title><link>https://blog.youkuaiyun.com/aheartfulguy/article/details/51345617</link><guid>https://blog.youkuaiyun.com/aheartfulguy/article/details/51345617</guid><author>aheartfulguy</author><pubDate>Sun, 08 May 2016 14:43:48 +0800</pubDate><description><![CDATA[http://www.youkuaiyun.com/article/2014-11-06/2822513-how-html5-changes/1

今天看了（王安，DCloud
 CEO，HTML5产业专家，W3C会员）的两篇关于介绍HTML5的文章

HTML5定稿了，为什么原生App世界将被颠覆
http://www.youkuaiyun.com/article/2014-11-06/2822513-ho]]></description><category></category></item><item><title><![CDATA[悲观锁和乐观锁]]></title><link>https://blog.youkuaiyun.com/aheartfulguy/article/details/51100560</link><guid>https://blog.youkuaiyun.com/aheartfulguy/article/details/51100560</guid><author>aheartfulguy</author><pubDate>Fri, 08 Apr 2016 23:06:51 +0800</pubDate><description><![CDATA[悲观锁(Pessimistic Lock), 顾名思义，就是很悲观，每次去拿数据的时候都认为别人会修改，所以每次在拿数据的时候都会上锁，这样别人想拿这个数据就会block直到它拿到锁。传统的关系型数据库里边就用到了很多这种锁机制，比如行锁，表锁等，读锁，写锁等，都是在做操作之前先上锁。




乐观锁(Optimistic Lock), 顾名思义，就是很乐观，每次去拿数据的时候都认为别人]]></description><category></category></item><item><title><![CDATA[接下来的两年你可能需要这五种语言！]]></title><link>https://blog.youkuaiyun.com/aheartfulguy/article/details/38415039</link><guid>https://blog.youkuaiyun.com/aheartfulguy/article/details/38415039</guid><author>aheartfulguy</author><pubDate>Thu, 07 Aug 2014 11:09:32 +0800</pubDate><description><![CDATA[接下来的两年你可能需要这五种语言！


2014-08-06 11:07News.Dice作者 Jeff Cogswell

 24 7712



语言 html5技术 函数式编程 ios平台 code翻译

时至今日，动态语言不再享有特别的青睐，现在的程序员使用新语言和旧语言的搭配来开发项目。我不禁要问，为了保持自身的竞争力，哪些编程语言是程序员们最需要永久掌握的？
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