秦皇岛政府公文系统：新芜区政府
政务OA系统中js多级联动示例（省份和城市二级联动)到我们生活的方方面面。政府机构也不例外，智慧政务工作台作为一种创新的管理工具，已经成为提升政府效率和服务质量的利器。本文select>
<select id="city"></select>
在js中设置省份信息代码如下：
代码语言：javascript
复制
var province=["北京","上海","广东","江苏","浙江","重庆","安徽","福建","甘肃","广西",
"贵州","海南","河北","黑龙江","河南","湖北","湖南
遭黑客攻击，美国最大燃油管道瘫痪！多州进入紧急状态:该公司声明称，此次网络攻击涉及使用勒索软件，公司自7日起已主动切断部分系统网络，试图遏制威胁，这导致所有管道运营暂停，部分it系统受到影响。
据悉，在这次的网络攻击中，黑客darkside通过安装非法勒索软件，控制了colonial pipeline的计算机系统或数据系统，并要求支付大笔赎金才能重新获得访问权限。
相关资料显示，colonial pipeline运营的这条管道系统全长8851公里，并且精炼能源输送体系非常庞大，将墨西哥湾沿岸地区的炼油厂与美国东部和南部相连。
管道每天运送超过250万桶燃料，是亚特兰大、华盛顿、纽约等地的汽油、柴油和航空燃料主要来源，同时也为这些地区的几家大型国际机场服务，更承担着美国东海岸45%的燃油供应。
不过这依然是一个严重的问题，石油价格信息服务部能源分析全球负责人tom kloza说。“它可能使整个国家陷入困境，因为这是该国从墨西哥湾沿岸向纽约输送燃料的颈动脉。”
pue指标能准确衡量数据中心能效吗？-关于poe的设想-孙长青:pue指标能准确衡量数据中心能效吗？
直至被各地政府部门将之上升到战略高度，比如，北京、上海、深圳都先后出台政策限定了本地pue的上限值，强迫数据中心在pue节能上下功夫。
1、数据中心pue的局限 pue的降低，需要对系统架构及制冷方案追加大量投资，其初投资的费用，与由此带来的pue值的降低，到底在财务上是否划算，还是未知数。
在各种发电方式中，除太阳能白天发电量大而夜间少而存在昼夜差异外，其他发电方式均与一天内的时间变化无关。由上面统计数字可知，太阳能发电占比极小，可忽略不计。
为了平衡用电负荷，高峰的时候尽量减少用电，降低电网负荷，用电低谷的时候鼓励大家多用电，使得电网的用电负荷不出现极大幅度的下降，全国各地都进行了运用价格信号引导电力削峰填谷，利用峰谷电价差、辅助服务补偿等市场化机制
亚马逊人脸识别系统再“犯错”，国内“学友八杀”后又有“神探” 立功了:亚马逊最近也面临着同样的压力，7 月 26 日，北加州的美国公民自由联盟（aclu）再次“找茬”亚马逊的人脸识别系统。
aclu 称，他们在测试 rekognition 的新系统时，扫描了所有 535 名国会议员的面孔，但与 25,000 张警方公开的犯罪嫌疑人照片进行匹配时，该系统错误地将 28 个国会议员与犯罪嫌疑人的照片进行了配对
最近，阿里城市大脑中的“天鹰”系统也立功了。
据澎湃新闻报道，今年 5 月下旬，通过“天鹰”系统强大的全域感知与渐进式视频搜索能力，衢州警方对一对夫妻经常行动地区的上百个摄像头，通过实时目标检测、提取嫌疑人的高维特征、多模态数据时空碰撞计算等 ai
这样的案例还有很多，4 月份，一位患有阿尔茨海默症的 80 岁衢州老人走丢，但“天鹰”系统在 15 分钟就监控录像里找到这位老人。同期，在一起电瓶车被盗事件中，该系统也只用了几分钟就迅速找到。
外媒说中国ai 5年内超越美国主导全球，我们该高兴还是脸红？:外媒称，在东、西方的科技创新大战中，人工智能(ai)目前成为前沿阵地，而中国在该领域的影响力正在提升。人工智能被视为开启大数据和物联网的关键。
众所周知，许多早期的人工智能研究主要来自美国市场。在奥巴马执政的最后几个月，美国政府发布了两份报告，指出美国已不再是全球人工智能创新无可争议的领先者。
相反，中国已经成为该领域的主要竞争对手，并对美国的地位构成了威胁。这两份报告呼吁美国政府加大在机器学习领域的投资，强化政府与科技公司的合作，以开启人工智能的巨大潜力。
虽然如此，今年5月对1268位科技公司创始人、ceo、投资者和研发人员的调查结果显示，美国政府远远没有为人工智能的未来影响做好准备。
更令人担忧的是，虽然奥巴马政府曾承诺增加人工智能开支，但特朗普政府却提议，将美国国家科学基金会(nsf)对人工智能研发项目的投资削减10%。相比之下，中国对美国的人工智能创业市场却十分感兴趣。
秦皇岛政府公文系统：新芜区政府政务OA系统中js多级联动示例（省份和城市二级联动)政府工作中的应用。一、智慧政务工作台的定义和特点 智慧政务工作台是一种基于信息技术的管理平台，旨在提高政府机构的工作效率和服务水平。它集成了各种信息系统和数据资源，通过智能化的技术手段，实现了政务工作的数字化、自动化和智能化。智慧政务工作台具有以下特点：集成性：智慧政务工作台能够集成各种信息系统和数据资源，实现信息的共享和互通。政府工作人员可以通过一个统一的平台，同时访问多个系统，提高工作效率。自动化：智慧政务工作台通过自动化的技术手段，实现政务工作的自动化处理。例如，自动化的审批流程、自动化的数据分析等，减少了繁琐的人工操作，提高了工作效率。智能化：智慧政务工作台通过引入人工智能和大数据分析等技术，实现政务工作的智能化处理。例如，智能推荐功能、智能预测分析等，提升了政府工作的决策能力和服务本文描述的省份和城市二级联动下拉菜单，在js部分设置省份和城市信息，当然也可以将数据保存在数据库中，当需要使用的时候在读取。这里用的是js原生代码
在html文件中设置省份、城市下拉列表如下：
代码语言：javascript
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<select id="pro" onchange="addcity();"></select>
<select id="city"></select>
在js中设置省份信息代码如下：
代码语言：javascript
复制
var province=["北京","上海","广东","江苏","浙江","重庆","安徽","福建","甘肃","广西",
"贵州","海南","河北","黑龙江","河南","湖北","湖南","江西","吉林","辽宁","内蒙古",
"宁夏","青海","山东","山西","陕西","四川","天津","新疆","西藏","云南","中国香港",
"中国澳门","中国台湾","海外"];
js设置城市信息代码如下:
代码语言：javascript
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city=[["东城","西城","朝阳","丰台","石景山","海淀","门头沟","房山","通州","顺义","昌平","大兴","平谷","怀柔","密云","延庆"],
["崇明","黄浦","卢湾","徐汇","长宁","静安","普陀","闸北","虹口","杨浦","闵行","宝山","嘉定","浦东","金山","松江","青浦","南汇","奉贤"],
["广州","深圳","珠海","东莞","中山","佛山","惠州","河源","潮州","江门","揭阳","茂名","梅州","清远","汕头","汕尾","韶关","顺德","阳江","云浮","湛江","肇庆"],
["南京","常熟","常州","海门","淮安","江都","江阴","昆山","连云港","南通","启东","沭阳","宿迁","苏州","太仓","泰州","同里","无锡","徐州","盐城","宜兴","仪征","张家港","镇江","周庄"],
["杭州","安吉","慈溪","定海","奉化","海盐","黄岩","湖州","嘉兴","金华","临安","临海","丽水","宁波","瓯海","平湖","千岛湖","衢州","江山","瑞安","绍兴","嵊州","台州","温岭","温州","余姚","舟山"],
["万州","涪陵","渝中","大渡口","江北","沙坪坝","九龙坡","南岸","北碚","万盛","双桥","渝北","巴南","黔江","长寿","綦江","潼南","铜梁","大足","荣昌","璧山","梁平","城口","丰都","垫江","武隆","忠县","开县","云阳","奉节","巫山","巫溪","石柱","秀山","酉阳","彭水","江津","合川","永川","南川"],
["合肥","安庆","蚌埠","亳州","巢湖","滁州","阜阳","贵池","淮北","淮南","黄山","九华山","六安","马鞍山","宿州","铜陵","屯溪","芜湖","宣城"],
["福州","厦门","泉州","漳州","龙岩","南平","宁德","莆田","三明"],
["兰州","白银","定西","敦煌","甘南","金昌","酒泉","临夏","平凉","天水","武都","武威","西峰","张掖"],
["南宁","百色","北海","桂林","防城港","贵港","河池","贺州","柳州","钦州","梧州","玉林"],
["贵阳","安顺","毕节","都匀","凯里","六盘水","铜仁","兴义","玉屏","遵义"],
["海口","儋县","陵水","琼海","三亚","通什","万宁"],
["石家庄","保定","北戴河","沧州","承德","丰润","邯郸","衡水","廊坊","南戴河","秦皇岛","唐山","新城","邢台","张家口"],
["哈尔滨","北安","大庆","大兴安岭","鹤岗","黑河","佳木斯","鸡西","牡丹江","齐齐哈尔","七台河","双鸭山","绥化","伊春"],
["郑州","安阳","鹤壁","潢川","焦作","济源","开封","漯河","洛阳","南阳","平顶山","濮阳","三门峡","商丘","新乡","信阳","许昌","周口","驻马店"],
["武汉","恩施","鄂州","黄冈","黄石","荆门","荆州","潜江","十堰","随州","武穴","仙桃","咸宁","襄阳","襄樊","孝感","宜昌"],
["长沙","常德","郴州","衡阳","怀化","吉首","娄底","邵阳","湘潭","益阳","岳阳","永州","张家界","株洲"],
["南昌","抚州","赣州","吉安","景德镇","井冈山","九江","庐山","萍乡","上饶","新余","宜春","鹰潭"],
["长春","吉林","白城","白山","珲春","辽源","梅河","四平","松原","通化","延吉"],
["沈阳","鞍山","本溪","朝阳","大连","丹东","抚顺","阜新","葫芦岛","锦州","辽阳","盘锦","铁岭","营口"],
["呼和浩特","阿拉善盟","包头","赤峰","东胜","海拉尔","集宁","临河","通辽","乌海","乌兰浩特","锡林浩特"],
["银川","固源","石嘴山","吴忠"],
["西宁","德令哈","格尔木","共和","海东","海晏","玛沁","同仁","玉树"],
["济南","滨州","兖州","德州","东营","菏泽","济宁","莱芜","聊城","临沂","蓬莱","青岛","曲阜","日照","泰安","潍坊","威海","烟台","枣庄","淄博"],
["太原","长治","大同","侯马","晋城","离石","临汾","宁武","朔州","沂州","阳泉","榆次","运城"],
["西安","安康","宝鸡","汉中","渭南","商州","绥德","铜川","咸阳","延安","榆林"],
["成都","巴中","达川","德阳","都江堰","峨眉山","涪陵","广安","广元","九寨沟","康定","乐山","泸州","马尔康","绵阳","眉山","南充","内江","攀枝花","遂宁","汶川","西昌","雅安","宜宾","自贡","资阳"],
["天津","和平","东丽","河东","西青","河西","津南","南开","北辰","河北","武清","红桥","塘沽","汉沽","大港","宁河","静海","宝坻","蓟县"],
["乌鲁木齐","阿克苏","阿勒泰","阿图什","博乐","昌吉","东山","哈密","和田","喀什","克拉玛依","库车","库尔勒","奎屯","石河子","塔城","吐鲁番","伊宁"],
["拉萨","阿里","昌都","林芝","那曲","日喀则","山南"],
["昆明","大理","保山","楚雄","东川","个旧","景洪","开远","临沧","丽江","六库","潞西","曲靖","思茅","文山","西双版纳","玉溪","中甸","昭通"],
["中国香港","九龙","新界"],
["中国澳门"],
["台北","基隆","台南","台中","高雄","屏东","南投","云林","新竹","彰化","苗栗","嘉义","花莲","桃园","宜兰","台东","金门","马祖","澎湖"],
["俄罗斯","美国","日本","英国","法国","德国","澳大利亚","东南亚","阿拉伯半岛","非洲","南美洲"]];
在js代码中获取html下拉列表(#pro,#city)的代码如下：
代码语言：javascript
复制
var pro=document.getelementbyid("pro");
var city=document.getelementbyid("city");
js初始化#pro下拉列表：
代码语言：javascript
复制
for (var i = 0; i < province.length; i++)
pro.add(new option(province[i]));
js实现当点击一级菜单（省份）时，二级菜单（城市）显示对应城市列表信息：
代码语言：javascript
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//获取点击的省份的下标
function getindex(){
for(var i=0;i<province.length;i++)
if(province[i]==pro.value)
return i;
}
//根据获取的省份下标，更改二级列表为对应下标的城市列表，此即二级联动
function addcity(e){
var index=getindex();
e.options.length=0;
for (var i = 0; i < city[index].length; i++)
e.add(new option(city[index][i]));
}
二级联动的应用在日常code中常会遇到，简单的说就是集合映射的问题。
假设有两个数组a[],b[]
我们设置index标识量，
y=a[index]，y与index一一对应
g=b[index]，g与index也一一对应
这样当更改y的值时，index随之改变，也就改变了g的值，使得y与g一一对应，此即二级联动的实现原理。
“国资云”将使云计算行业洗牌？:一、国资云的推广预示着党政及国企未来将坚持私有云技术路线。从天津、四川等省市国资云平台的建设方式来看，未来党政及国企部门的业务系统上云将坚持私有云的技术路线，由此可能对未来国内云计算市场带来深远影响。
iaas层是存储数据的核心，国资云平台将运行在具备国资背景、满足等保二级要求的idc机房之上，各省市政府将通过新建或加强对现存idc机房资源的投资力度来强化对iaas层和数据的掌控，如浙江省在今年3月启动国资云项目建设
，囊括云安全、oa、邮件、erp等各个通用化程度较高的应用环节，iaas层和paas层的基础软件厂商也将迎来更开放的发展环境，包括操作系统、数据库、中间件等环节。
除去坚持私有云的路线以外，此次国资云建设明确要求把各企业自有的安全性不满足等保二级要求的机房逐步迁移至国资云机房，符合等保二级及以上要求的机房及业务系统则需要与国资云平台实现对接（尚不具备上云条件的系统可报备暂时不对接
如果“国资云”成为各地政府推行的样本，对于提供“整体解决”方案的头部云服务厂商来说，短期内确实形成了一定压力。换言之，以前国企分别采购，现在如果国资云统一采购，那么对云服务产品的需求也会有新的变化。
谷歌剧变：李飞飞李佳离职后，现在轮到云ceo出局:2016年deepmind初露锋芒，当时格林想和deepmind建立合作关系，在谷歌云的服务里标注“由deepmind提供支持”。
戴安·布莱恩特（diane bryant），前任英特尔数据中心业务负责人，被认为是英特尔三大高管之一，柯再奇离职后英特尔ceo的有力竞争者之一。去年11月，布莱恩特加入谷歌云，出任coo。
她在英特尔干了25年，在谷歌云才干了几个月。而格林现在也要出局了。说一千道一万，还是谷歌云的业务没有起色。难堪大任谷歌云离职卸任之际，黛安·格林如何评价自己的是非功过？
第二，谷歌云建立了一个统一的业务线，将销售、营销、谷歌云平台和谷歌应用g套件都整合到了谷歌云中。
对军事工作的强烈反对，促使了谷歌对人工智能系统的使用有了更加严格的限制，这在实质上限制了云计算部门潜在的客户基础。之后，谷歌还退出了高达100亿美元的军用云计算合同竞标。?
如何将cdn域名流量切换到ipv6？:导语 | 2020年末，很多门户网站二级、三级链接的ipv6浓度要求达到85%以上。cdn业务切换到ipv6可能是最近很多互联网公司在做的事情，那么如何能够快速又稳定的将业务切换到ipv6呢？
本地dns服务器将解析请求发送到腾讯云cdn全球调度体系，解析出最佳的cdn节点对应ipv6地址；4.
假设腾讯云提供的甘肃电信cdn测试节点地址为240e:935:a11:11c:30::，那么windows系统可以针对域名abc.test1.com绑定host为甘肃电信cdn节点240e:935:a11
并且最好选择单个省份+单运营商进行小规模灰度观察（例如abc.test1.com+甘肃+电信ipv6），切换后观察30分钟ipv6流量正常则可以继续按以下列表进行灰度：abc.test1.com+甘肃+
切换ipv6后在控制台观察对应域名业务情况：图片.png 小结：到此完整的一次cdn域名切换ipv6的工作就完成了，整个切换过程一定要注意以稳定为主。
微软总裁呼吁：ai刷脸，美国政府该管一管了:史密斯并未阐述具体原则，而是建议政府创建一个“两党和专家委员会”对该问题展开研究，并给出建议。
史密斯提出，该委员会应该考虑的一系列问题，包括在执法部门或国家安全部门使用这项技术时可能对其进行的约束；通过各种标准避免种族歧视；在使用这项技术之前获得人们的许可，尤其是在公共领域；对于可能被错认的人给予法律保护
考虑到华盛顿目前的政治僵局，提议组建专家委员会是一种比较保险的方式，可以避免政府真的限制微软或其他科技公司使用人脸识别技术。但微软总裁称，这种委员会过去10年曾经出现过28次，而且取得了一些成功。
广泛使用人脸识别，好处显而易见，可以在公共场所识别犯罪分子。当然，除了利用技术帮助政府监管外，微软总裁还表示，微软及其他科技公司应该在使用这种技术时肩负更多责任。
“我更愿意让这些参与者跟他们的员工、用户和美国政府互动，共同思考科技的潜在使用方式，以及使用科技的过程中可能所带来的风险。”
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