一、简介 okhttp是一款由square公司开源的Java版本http客户端工具。 square公司还开源了基于okhttp进一步封装的retrofit工具，用来支持通过接口的方式发起http请求。
iam having a table with columns like id || counter if i do something (some event) i want the coun开发者_开发技巧ter\'s value(at a particular id) to increase by one , currently iam doing this :
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