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解决#!/usr/bin/python: No such file or directory - 更多技术 - 清泛网 - 专注C/C++及内核技术

...o-such-file-or-directory出现此类问题是因为文件的内容中特殊字符导致的:1、可能是Windows的换行符 r n导致的,改为Linux的 n。使用Notepad++修改:2、也可能是文件是UTF8(BOM)编码导致的,改为UTF8即可。出现此类问题是因为脚本文件的...
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解决#!/usr/bin/python: No such file or directory - 更多技术 - 清泛网移...

...o-such-file-or-directory出现此类问题是因为文件的内容中特殊字符导致的:1、可能是Windows的换行符 r n导致的,改为Linux的 n。使用Notepad++修改:2、也可能是文件是UTF8(BOM)编码导致的,改为UTF8即可。出现此类问题是因为脚本文件的...
https://www.tsingfun.com/it/te... 

解决#!/usr/bin/python: No such file or directory - 更多技术 - 清泛网 - 专注C/C++及内核技术

...o-such-file-or-directory出现此类问题是因为文件的内容中特殊字符导致的:1、可能是Windows的换行符 r n导致的,改为Linux的 n。使用Notepad++修改:2、也可能是文件是UTF8(BOM)编码导致的,改为UTF8即可。出现此类问题是因为脚本文件的...
https://bbs.tsingfun.com/thread-1613-1-1.html 

Bad arguments to +:The operation + cannot accept the arguments:, [&qu...

原因是加号+前面是空字符串,能有效地转换成数字,所以报错。 比如"123"这字符串可以自动转数字,但是空文本行。 文本要判断空,然后给数字 0。 同理,空文本能转数字,也能转列表、字典...
https://bbs.tsingfun.com/thread-1722-1-1.html 

AppInventor2如何通过socket给网络发16进制的数据? - App应用开发 - 清泛I...

...息时,hexaStringMode设为 true,例如:0x012 —> “303132” 字符串发送,接收的数据也是16进制字符串。 文档地址:https://www.fun123.cn/reference/ ... ctivity.html#Socket
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AppInventor2如何通过socket给网络发16进制的数据? - App Inventor 2 中文...

...消息时,hexaStringMode设为 true,例如:0x012 —> “303132” 字符串发送,接收的数据也是16进制字符串。 文档地址:https://www.fun123.cn/reference/ ... ctivity.html#SocketAppInventor,AppInventor20
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How do I compile C++ with Clang?

...cessfully compile C files using it. However, I have no idea how to compile C++ through it. What do I need to do to compile C++? ...
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C++ IDE for Macs [closed]

I teach a C++ course using Visual Studio. One of my students has a Mac and was looking for an IDE to use on his machine. What would be good to recommend? ...
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Change select box option background color

...(150, 150, 150, 0.3); } select option[value="3"] { background: rgba(200, 200, 200, 0.3); } select option[value="4"] { background: rgba(250, 250, 250, 0.3); } <select> <option value="">Please choose</option> <option value="1">Option 1</option> &l...
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Why is a pure virtual function initialized by 0?

...oustrup didn't think he could get another keyword, such as "pure" past the C++ community at the time the feature was being implemented. This is described in his book, The Design & Evolution of C++, section 13.2.3: The curious =0 syntax was chosen ... because at the time I saw no chance of ...