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App Inventor 2 如何下载/保存网络图片? - App Inventor 2 中文网 - 清泛I...

首先,需要使用 Web客户端 组件,需要和网络url进行数据交互的场景就要考虑使用它,Web客户端 组件在“通信连接”抽屉中:设置好网络图片的url,然后执行Get方法即可,代码如下:其中,特别要注意的是保存响应信息属性设置...
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Last non-empty cell in a column

... @ Jean-François, Sorry, I acknowledged that in a comment last night but put it in the original post by mistake. It does work in XL 2007 and 2010. Thanks. – Doug Glancy Mar 27 '11 at 16:41 ...
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Getting the parent div of element

This should be really simple but I'm having trouble with it. How do I get a parent div of a child element? 7 Answers ...
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Disable validation of HTML5 form elements

In my forms, I'd like to use the new HTML5 form types, for example <input type="url" /> ( more info about the types here ). ...
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How do I access the request object or any other variable in a form's clean() method?

...nswered Nov 16 '15 at 23:47 François ConstantFrançois Constant 4,74511 gold badge2626 silver badges3333 bronze badges ...
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Print a string as hex bytes?

... Verified,Python 3.7.6: import sys ; s="Déjà vu Besançon,Lupiñén,Šiauliai,Großräschen,Łódź,Аша,广东省,LA" ; for c in s: ; w=sys.stdout.write(c+":"+c.encode('utf-8').hex()+"||") ; (out) D:44||é:c3a9||j:6a||à:c3a0|| :20||v:76||u:75|| :20||B:42||e:65||s:73||a:61||...
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Android: Getting a file URI from a content URI?

...wered Mar 5 at 5:50 Muhammed Yalçın KuruMuhammed Yalçın Kuru 41977 silver badges1212 bronze badges ...
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Logstash实践: 分布式系统的日志监控 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...到Email,File,Tcp,或者作为其它程序的输入,又或者安装插件实现和其他系统的对接,比如搜索引擎Elasticsearch。 总结:Logstash概念简单,通过组合可以满足多种需求。 3. Logstash的安装,搭建和配置 3.1. 安装Java 下载JDK压缩包...
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How do I associate a Vagrant project directory with an existing VirtualBox VM?

.../mitchellh/vagrant/issues/1755 for details – Mads Mobæk May 23 '13 at 9:13 1 I was looking for ....
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What does the git index contain EXACTLY?

What does the Git index exactly contain, and what command can I use to view the content of the index? 5 Answers ...