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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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App Inventor 2 MQTT拓展入门(保姆级教程) · App Inventor 2 中文网

...阅设备的数量,以及消息的发送历史: .aia 源码下载 « 返回首页 《App Inventor 2 UrsPahoMqttClient 拓展中文文档(完整版)》 准备工作 APPINVENTOR测试平台:AppInventor2中文网(https://www.fun123.cn) MQTT拓展下载...
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一体化的Linux系统性能和使用活动监控工具–Sysstat - 更多技术 - 清泛网 -...

...是旧版。所以,这就是为什么我们要在软件包的所在官网下载和安装最新版本(11.0.0)的理由。 首先,请使用下面的链接下载最新版本的sysstat软件包,或者你也可以用wget命令直接在终端下载。 http://sebastien.godard.pagesperso-orang...
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How to pip or easy_install tkinter on Windows

...g. You'll end up with a fresh install of ActivePython, located in, e.g. C:\python32. From a Windows command prompt, or the Start Menu's "Run..." command, you should then be able to run a Python shell via: % C:\python32\python This should give you the Python command prompt. From the prompt, enter ...
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Access an arbitrary element in a dictionary in Python

...ethods will return list with the same ordering. This is not supported with Python3. in Python 3: list(my_dict.keys())[0] -> key of "first" element list(my_dict.values())[0] -> value of "first" element list(my_dict.items())[0] -> (key, value) tuple of "first" element ...
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莱昂氏unix源代码分析 PDF - 文档下载 - 清泛网 - 专注C/C++及内核技术

莱昂氏unix源代码分析 PDF莱昂 源代码本书由上、下两篇组成。上篇为UNIX版本6的源代码,下篇是莱昂先生对UNIX操作系统版本6源代码的详细分析。本书语言简洁、透彻,曾作为未公开...本书由上、下两篇组成。上篇为UNIX版本6的源...
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Let JSON object accept bytes or let urlopen output strings

...Implicit bytes <-> string conversions are a source of many bugs, and Python3 is very helpful in pointing out the pitfalls. But I agree the library has room for improvement in this area. – EvertW Jul 25 '17 at 14:24 ...
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UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 13: ordinal not in range(128)

...ng to ensure the encoding type is 'utf-8' Note: this method works fine in Python3, I did not try it in Python2.7. share | improve this answer | follow | ...
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Boost程序库完全开发指南——深入C++“准”标准库高清PDF版 - 文档下载 - ...

Boost程序库完全开发指南——深入C++“准”标准库高清PDF版C++ Boost 标准库Boost是一个功能强大、构造精巧、跨平台、开源并且完全免费的C++程序库,有着C++‘准’标准库的美誉。它由C++标准委员会部分成员...Boost是一个功能...
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APT command line interface-like yes/no input?

... Just a remember: raw_input() is called input() in Python3 – nachouve Jan 28 '16 at 9:06 ...