大约有 44,800 项符合查询结果(耗时:0.0495秒) [XML]

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scrapy xpath抓取节点的文本innerText、innerHTML、outerHTML - 更多技术 -...

...内容:<p>xx<b>x< b>< p>response xpath(& 39; div[@class="question"] div[2] div[2] div[1] p[1]& 39;) extract() 抓 假设抓取: <p> xx<b>x</b> </p> scrapy代码: # 抓取p节点本身,得到的内容:<p>xx<b>x</b></p> response.xpath('//div[@class="question"]/div[2]/div[2]/d...
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PHP 安装 ZIP 扩展 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...安装libzipcd usr local srcwget https: libzip org download libzip-1 3 2 tar gztar zxf libzip-1 3 2 tar gzcd libzip-1 3 2 configuremake && make install如 一、安装libzip cd /usr/local/src wget https://libzip.org/download/libzip-1.3.2.tar.gz tar zxf libzip-1.3.2.tar.gz cd libzip-1.3.2...
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【基础入门班】【大作业】爱学习App - App Inventor 2 中文网 - 清泛IT社区...

...题目类型,题面,正确答案,干扰答案 选择题,1+1=?,2,3,4,5 对错题,1+1=2?,T 回答题,1+1=?2 语音题,读出单词hello,hello ... 方向2:成语接龙App 正常模式:自己输入答案 选择模式:随机挑出一个正常答案,加上一...
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AI2 如何快捷比较两个列表的差异项,然后再根据差异的项去执行更新操作? -...

有会员提问,如题。目前TA采用的方案是:遍历2个列表全部执行一遍,程序很卡! 解决思路: 这时,我们就会考虑使用字典来解决这个性能问题了,回顾一下文档中字典的特点: https://www.fun123.cn/reference/blocks/dictionaries.html Q...
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appinventor2开发出来的App,可以申请软著和发明专利吗? - App Inventor 2...

用App Inventor 2开发的App可以申请软件著作权(软著),但申请发明专利可能会比较困难,具体情况如下: 1. 软件著作权(软著)可申请: App Inventor 2生成的应用程序,其源代码和界面设计由开发者创作,符合著作权法中的“作...
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how to schedule a job for sql query to run daily?

... | edited Sep 17 '12 at 15:34 Avada Kedavra 7,31555 gold badges2828 silver badges4646 bronze badges ...
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In Ruby, is there an Array method that combines 'select' and 'map'?

...ia as a postfix if. compact gets rid of the nils. jruby-1.5.0 &gt; [1,1,1,2,3,4].map{|n| n*3 if n==1} =&gt; [3, 3, 3, nil, nil, nil] jruby-1.5.0 &gt; [1,1,1,2,3,4].map{|n| n*3 if n==1}.compact =&gt; [3, 3, 3] sha...
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switch() statement usage

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PHP Fatal error: Cannot redeclare class

... answered Apr 2 '09 at 3:15 whichdanwhichdan 1,84711 gold badge1414 silver badges1010 bronze badges ...
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Bash script to receive and repass quoted parameters

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