首页 \ 问答 \ 隐藏基于单元格内容的行 - Google电子表格(Hide Rows Based on Content of a Cell - Google Spreadsheet)

隐藏基于单元格内容的行 - Google电子表格(Hide Rows Based on Content of a Cell - Google Spreadsheet)

如果Google电子表格的单元格中存在特定值,我想创建一种隐藏特定行数的方法。

例如

         A                   B
1   Include All options`?       Yes/No
2   Option A:                   Yes/No
3   Option B:                   Yes/no
etc.

如果单元格B1为“是”,则不需要查看所有其他选项。 但是,如果他们选择“否”,则需要选择“是/否”选项。 出于这个原因,我想在option = yes时隐藏行,但是如果它为No则取消隐藏它们


I want to create a way to hide a certain number of rows if there is a certain value in a cell of a Google spreadsheet.

E.g.

         A                   B
1   Include All options`?       Yes/No
2   Option A:                   Yes/No
3   Option B:                   Yes/no
etc.

If cell B1 is "yes" there is no need to look at all other options. However, if they select "No", there needs to be an option for selecting the Option "Yes/No". For this reason, I would like to hide the rows when option = yes but unhide them if it is No


原文:https://stackoverflow.com/questions/29118719
更新时间:2023-08-21 18:08

最满意答案

Serial.available()函数的功能与您期望的不同:

如果有可用的通讯伙伴,您希望它会返回。 而是检查是否有可读的字节:

获取可从串口读取的字节数(字符)。 (来源: https//www.arduino.cc/en/Serial/Available

这意味着:您的Arduino已经耗尽了要读取的字节,因为它会过快地清空管道。 所以,由于没有更多的字节需要读取,它只会使LED显示为白色。


旁注:if条件应该改变以反映这一点(请参阅Arduino网站上的文章):

if (Serial.available() > 0) {

The function Serial.available() does something else than what you expect:

You expect it to return if there is a communication partner available. Instead it checks if there are bytes to read available:

Get the number of bytes (characters) available for reading from the serial port. (Source: https://www.arduino.cc/en/Serial/Available )

This means: Your Arduino has run out of bytes to read, because it empties the pipeline too fast. So, as there are no more bytes to read, it will just make the leds show white.


Sidenote: The if condition should be changed to reflect this (see post on Arduino website):

if (Serial.available() > 0) {

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