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首次打开app时，提示打开蓝牙权限，打开后点击开始搜索，设备列表没有显示...
...时，提示打开蓝牙权限，打开后点击开始搜索，设备列表没有显示蓝牙设备，而且app卡住了点不动，后面需要先在手机系统设置先打开蓝牙，然后启动app才能搜索到设备，请问大家这个怎么解决，怎么才能启动app同时打开蓝牙权...
Excel: last character/string match in a string
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With newer versions of excel come new functions and thus new methods. Though it's replicable in older versions (yet I have not seen it before), when one has Excel O365 one can use:
=MATCH(2,1/(MID(A1,SEQUENCE(LEN(A1)),1)="Y"))
This can also be u...
ATL简单对象（实现了IObjectWithSite接口）在网页中使用，如何取得IE窗口句...
ATL简单对象（实现了IObjectWithSite接口）在网页中使用，如何取得IE窗口句柄？为了显示非模态对话框，需取得ie窗口句柄。如果注册成bho（Browser Helper Object，IE浏览器的扩展程序）可通过SetSite方法等可取得，但...为了显示非模态...
财富世界500强2015前十排行榜 中石油位居第二 - it组图 - 清泛网 - 专注C/C...
财富世界500强2015前十排行榜 中石油位居第二中石油 排行榜 财富 500强2015年7月22日，财富中文网全球同步发布了2015年世界500强企业排名。在本次榜单中，中国上榜公司依旧呈上升趋势，达到了106家。其中中国企...2015年7月22日，...
App Inventor 2 怎么获取输入对话框中用户输入的文本？ - App Inventor 2 ...
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用户输入且点了确定按钮，会触发完成事件，事件中拿”响应“就是用户输入的内容，取消也有相应事件。详细请查看文档。
事件通知到了就表明用户完成了输入并点击确定，在事件中处理逻辑，参数”响应“即是用户...
How to create CSV Excel file C#? [closed]
I'm looking for a class for creating CSV Excel files.
13 Answers
13
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How to avoid using Select in Excel VBA
I've heard much about the understandable abhorrence of using .Select in Excel VBA, but am unsure of how to avoid using it. I am finding that my code would be more re-usable if I were able to use variables instead of Select functions. However, I am not sure how to refer to things (like the Activ...
Error in finding last used cell in Excel with VBA
...scenario where the code will fail because the Rows.Count returns 65536 for Excel 2003 and earlier and 1048576 for Excel 2007 and later. Similarly Columns.Count returns 256 and 16384, respectively.
The above fact that Excel 2007+ has 1048576 rows also emphasizes on the fact that we should always de...
Get MIME type from filename extension
...fficedocument.presentationml.slide"},
{".slk", "application/vnd.ms-excel"},
{".sln", "text/plain"},
{".slupkg-ms", "application/x-ms-license"},
{".smd", "audio/x-smd"},
{".smi", "application/octet-stream"},
{".smx", "audio/x-smd"},
{".smz", "au...
Working with time DURATION, not time of day
I'm doing some benchmarking, and I want to use Excel to produce graphs of the results. I've got a simple but annoying problem which is baking my noodle.
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