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howtomakeadragdivision-<ahref="http://www.never-online.net"target="_blank"><ahref="http://www.never-online.net"target="_blank">http://www.never-online.net<</span> <p class="auth-span"> <span class="muted"><i class="fa fa-user"></i><span class="zj-icon-text">系统</span></span> <span class="muted"><i class="fa fa-clock-o"></i><span class="zj-icon-text">2019-08-29 23:27:10</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2159</span></span>  </p> </article><article class="excerpt"> <header> <a title="编程技术" class="label label-important zj-del-target" href="/category/30">编程技术<i class="label-arrow"></i></a> <h2> <a class="zj-titles zj-del-target" href="/article/14487" title="【首届Google暑期大学生博客分享大赛——2010 A" target="_blank" onclick="return recordId('',)">【首届Google暑期大学生博客分享大赛——2010 A </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/14487" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/18.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/14487';}else{window.open('/article/14487');}" style="cursor: pointer;">我心目中在Android手机上应该有这样一个应用，它的名字叫《健康饮食专家》：1、能够将饮食的专家系统集成到其中；2、能够为你安排好每天的营养搭配，并且选出该食用哪些水果、菜等；3、能够整合谷歌地图和GIS的功能，为你提供到哪些地方买这些东西比较便利、便宜；【首届Google暑期大学生博客分享大赛——2010Andriod篇】健康饮食专家</span> <p class="auth-span"> <span class="muted"><i class="fa fa-user"></i><span class="zj-icon-text">系统</span></span> <span class="muted"><i class="fa fa-clock-o"></i><span class="zj-icon-text">2019-08-29 22:16:33</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2159</span></span>  </p> </article><article class="excerpt"> <header> <a title="Python" class="label label-important zj-del-target" href="/category/44">Python<i class="label-arrow"></i></a> <h2> <a class="zj-titles zj-del-target" href="/article/29231" title="python 随机生成10位数密码的实现代码" target="_blank" onclick="return recordId('',)">python 随机生成10位数密码的实现代码 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/29231" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/15.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/29231';}else{window.open('/article/29231');}" style="cursor: pointer;">随机生成10位数密码，字母和数字组合importstring>>>importrandom>>>pwd="">>>letters=string.ascii_letters+string.digits>>>foriinrange(10):...letter=random.choice(letters)...pwd+=letter...>>>print(pwd)利用推导列表生成"".join([random.choice(string.ascii_letter</span> <p class="auth-span"> <span class="muted"><i class="fa fa-user"></i><span class="zj-icon-text">系统</span></span> <span class="muted"><i class="fa fa-clock-o"></i><span class="zj-icon-text">2019-09-27 17:54:51</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2158</span></span>  </p> </article><article class="excerpt"> <header> <a title="Python" class="label label-important zj-del-target" href="/category/44">Python<i class="label-arrow"></i></a> <h2> <a class="zj-titles zj-del-target" href="/article/29173" title="python判断文件夹内是否存在指定后缀文件的实例" target="_blank" onclick="return recordId('',)">python判断文件夹内是否存在指定后缀文件的实例 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/29173" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/7.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/29173';}else{window.open('/article/29173');}" style="cursor: pointer;">该代码主要是基于python实现判断指定文件夹下是否存在指定后缀的文件。代码如下：importosYour_Dir='你的文件夹/'Files=os.listdir(Your_Dir)forkinrange(len(Files)):#提取文件夹内所有文件的后缀Files[k]=os.path.splitext(Files[k])[1]Str2=['.wav','.mp3','.mp4']iflen(list(set(Str2).intersection(s</span> <p class="auth-span"> <span class="muted"><i class="fa fa-user"></i><span class="zj-icon-text">系统</span></span> <span class="muted"><i class="fa fa-clock-o"></i><span class="zj-icon-text">2019-09-27 17:54:47</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2158</span></span>  </p> </article><article class="excerpt"> <header> <a title="Python" class="label label-important zj-del-target" href="/category/44">Python<i class="label-arrow"></i></a> <h2> <a class="zj-titles zj-del-target" href="/article/28865" title="python引入导入自定义模块和外部文件的实例" target="_blank" onclick="return recordId('',)">python引入导入自定义模块和外部文件的实例 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/28865" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/3.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/28865';}else{window.open('/article/28865');}" style="cursor: pointer;">项目中想使用以前的代码，或者什么样的需求致使你需要导入外部的包如果是web下，比如说django，那么你新建一个app，把你需要导入的说用东东，都写到这个app中，然后在setting中的app也配上基本就ok了如果是本地代码，可以有几种方式，1、这种最简单，也可能最不实用，将你的外部文件放到跟需要调用外部文件的文件同一个包下，同一目录folder------toinvoke.py------tobeinvoded.py这样在toinvoke.py中引入i</span> <p class="auth-span"> <span class="muted"><i class="fa fa-user"></i><span class="zj-icon-text">系统</span></span> <span class="muted"><i class="fa fa-clock-o"></i><span class="zj-icon-text">2019-09-27 17:54:22</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2158</span></span>  </p> </article><article class="excerpt"> <header> <a title="Python" class="label label-important zj-del-target" href="/category/44">Python<i class="label-arrow"></i></a> <h2> <a class="zj-titles zj-del-target" href="/article/27999" title="python求职准备第1天—进程" target="_blank" onclick="return recordId('',)">python求职准备第1天—进程 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/27999" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/7.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/27999';}else{window.open('/article/27999');}" style="cursor: pointer;">进程是操作系统分配内存的最小单位Python中进程用到的库multiprocessing简单的多进程示例frommultiprocessingimportProcessfromtimeimporttime,sleepfromrandomimportrandintdefdownload_task(task_name):print(task_name+'开始下载')time=randint(1,5)sleep(time)print(task_name+f'下载</span> <p class="auth-span"> <span class="muted"><i class="fa fa-user"></i><span class="zj-icon-text">系统</span></span> <span class="muted"><i class="fa fa-clock-o"></i><span 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