...了能否自动切换连接？目前需要手工切换。 主节点的读写压力过大如何解决？ 从节点每个上面的数据都是对数据库全量拷贝，从节点压力会不会过大？ 数据压力大到机器支撑不了的时候能否做到自动扩展？ 这篇文章看完...

I need to return an empty cell from an Excel formula, but it appears that Excel treats an empty string or a reference to an empty cell differently than a true empty cell. So essentially I need something like ...

Since Excel 2007, Microsoft has split the classical .xls format to several formats (in particular, .xlsx , .xlsm , .xlsb ). I've got no problem to understand the use and purpose of .xlsx format but I am still wondering whether we should use a .xlsm or a .xlsb format when creating a file c...

I'm trying to write a script that opens many Excel files. I keep getting the prompt: 7 Answers ...

I want to read and write an Excel file from Java with 3 columns and N rows, printing one string in each cell. Can anyone give me simple code snippet for this? Do I need to use any external lib or does Java have built-in support for it? ...

...t leading zeroes from getting stripped when importing to or exporting from Excel. However, I already have a spreadsheet that has values in it that were truncated as numbers when, in fact, they should have been handled as strings. I need to clean up the data and add the leading zeros back in. ...

...C which covers it and says to use text/csv. This RFC updates RFC 4180. Excel Recently I discovered an explicit mimetype for Excel application/vnd.ms-excel. It was registered with IANA in '96. Note the concerns raised about being at the mercy of the sender and having your machine violated. ...

... also does not work on excel 2010 – Evil Washing Machine Feb 26 '14 at 14:02 4 ...

从Excel 2002开始，Excel引入了一种新的查看和更新实时数据的机制，即real-time data简称RTD函数，他是一种Push-Pull的方式，及在需要更新数据的时候，RTD给Excel Push一个消息说要更新数据，Excel在收到消息后主动拉取Pull新的数据。RTD函...

转会员提问：把 excel 中的数据分级存储屏幕1，我选序号“12”，又选“A”,就会调取A表格的数据显示在屏幕2中，请问如何实现这个功能？ 回复如下： App Inventor 2 目前没有excel操作相关功能，也没有现成的拓展。 目前只能...