A developer for the Company.com web site has been told that users may turn off cookie support in their browsers. What must the developer do to ensure that these customers can still use the web application？（） The developer must ensure that every URL is properly encoded using the appropriate URL rewriting APIs。 The developer must provide an alternate mechanism for managing sessions and abandon theHttpSession mechanism entirely。 The developer can ignore this issue. Web containers are required to support automatic URL rewriting when cookies are not supported。 The developer must ass the string ？id= to the end of every URL to ensure that the conversion with the browser can continue.。
期权交易与期货交易的区别？
当发生氯气泄漏时，由于氯气比空气重，又沿地面扩散的特点，逃生者可向（）方向或厂房高层、高处撤离。 下风口。 上风道或侧风道。 地势较高的地方。 低洼地带。
边坡地表排水沟主要为防止（）。 地表水冲坏运输道路。 地表水淹没采场。 地表水流进边坡岩体表面裂隙中。
What is the maximum number of 220V power supplies that can be in a UCS chassis?（） two。 four。 twice the non-redundant configuration required to power the chassis。 three times the non-redundant configuration required to power the chassi。
在对管道交叉进行必要的处理时，要尽量保证或改善排水管渠的水力条件，下列说法错误的是（）
