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多套首页风格,支持自定义(H+风格|FineUI风格|ACE风格|Shortcut风格/云桌面等) |
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1.栈和队列的共同特点是(只允许在端点处插入和删除元素) | |
4.栈通常采用的两种存储结构是(线性存储结构和链表存储结构) | |
5.下列关于栈的叙述正确的是(D) | |
A.栈是非线性结构B.栈是一种树状结构C.栈具有先进先出的特征D.栈有后进先出的特征 | |
6.链表不具有的特点是(B)A.不必事先估计存储空间 B.可随机访问任一元素 | |
C.插入删除不需要移动元素 D.所需空间与线性表长度成正比 | |
7.用链表表示线性表的优点是(便于插入和删除操作) | |
8.在单链表中,增加头结点的目的是(方便运算的实现) | |
9.循环链表的主要优点是(从表中任一结点出发都能访问到整个链表) | |
10.线性表L=(a1,a2,a3,……ai,……an),下列说法正确的是(D) |
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HashMap和HashTable的区别 | |
1,HashMap线程不安全,HashTable是线程安全的。 | |
2,HashMap的key和value都可以为null,但是HashTablekey和value都不能为null。 | |
3,对于HashMap如果get返回null,并不能表明HashMap不存在这个key, | |
4,如果需要判断HashMap中是否包含某个key,就需要使用containsKey这个方法来判断。 | |
5,如果是多线程环境也不建议使用HashTable,而是使用ConcurrentHashMap,ConcurrentHashMap也是线程安全的, | |
并且比HashTable性能好。 | |
6,HashMap在确定数据大小的情况想,建议初始化一个合适的容量,否则可能会面resieze,resize操作是一个非常耗时的过程。 | |
如果把自定以的类作为HashMap或者HashTable的key,就需要重写hashCode和equals方法。 |
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专业网站公关新闻软文营销,新闻软文发稿一手优势渠道资源,长期公关活动执行。网站新闻发稿百度收录高达90%关键词搜索操作。 | |
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相关网站新闻软文发稿资源等更多优势资源请QQ联系2082796099 手机:18520605115 |
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链接:https://www.zhihu.com/question/55966246/answer/147063168 | |
一、接单前准备:1、组织一个团队 确定一个项目负责人,其他人分工明确,这样整个流程才不会出现问题。2、准备一些客户案例 可以借鉴原技术团队以前做过的案例,向客户展示,但不可说是我们公司做的。3、项目报价参照表 可事先梳理出一份大概的报价表,不至于在客户咨询的时候,说不出一二三来。4、话术 准备一份接单话术,不管是在新人培训上面,还是自己沟通上面,都有极大的帮助。5、宣传资料 当客户需要考虑与对比时,可发一封宣传资料给客户,让他有个参考。二、接单的方法:1、找以前的同事或朋友 这种成功率比较高,因为和朋友建立了熟人关系,因此在合作讨论、报价、沟通上都会更顺利。但稳定性不够,也没那么多朋友。2、在B2C网站上开个店铺 在B2C网站上面或者58同城、赶集网之类的注册店铺,有需求的人自然会来找你3、做百度竞价排名与SEO关键词优化 做百度竞价在短时间可提升排名,咨询的客户较多,但投资也不少。SEO关键词优化可尝试去做,而且免费的。4、加QQ群或者各大论坛 有很多外包QQ群,直接在QQ上搜索就能找到,上面有的项目可以跟进,当然都是僧多肉少。还有就是通过参加线下创业活动等方式多加入一些微信创业群,并加一些创业者的微信,在微信创业群或朋友圈里面自然会有寻找外包团队的需求。5、建立营销团队,特别是竞标的团队,到处收集招标信息,大量投标 一般参与招标的项目都是大项目,但竞标时间一般很长。前期我们可以考虑竞标一些小点项目,熟悉流程,撰写竞标书。6、去各大软件外包网、威客网接单(软件商务网、软件项目交易网、CSTO 外包网站、智城外包网) 前期可考虑去外包网与威客网接一些单子,虽利润较少,但上面项目多,全国各地都有,增加自己的客户案例与模板。三、接单后流程:1、接头、谈需求 APP开发、微商城、网站等项目刚开始,对项目有个大致了解和对方基本要求的一个沟通。咨询需求是否明确,不明确的话还需要帮助对方明确需求。2、需求讨论 谈需求是大致了解。伊克电商认为需求讨论是有一个基本的框架后,进行一些细节上的沟通,开发及设计都要就自己的问题进行探讨。碰完之后继续完善,其过程中有任何的不明白都需要电话及时的与对方沟通。3、拟合同、定机制 要列出双方的责任与义务,验收方式,过 |
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山药12份,菠萝蜜10份, 益母草7份,雪兔3份,水金凤3份,山楂11份,蓝桉7份,马齿苋7份,熟地黄6份,当归8 份,连翘6份,葛根40份,猪殃殃5份,紫背天葵12份,红糖7份 |
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https://patents.google.com/patent/CN104887906A/zh |
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https://www.zhihu.com/question/36762409 |
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一、互联网信息服务(ICP经营许可证) | |
ICP许可证是针对以下几种有偿性经营模式需要办理的证件 | |
互联网信息服务检索 | |
互联网信息发布与递送 | |
互联网信息安全 | |
互联网信息交互 | |
比如:xx搜索、xx文库、xx安全卫士、xx同城、赶x网等等。 | |
二、在线数据处理与交易处理业务(EDI经营许可证) | |
通过互联网提供平台进行管理维护 | |
有第三方商家进行入驻 |
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https://blog.csdn.net/xyang81/article/details/51702900 |
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