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C++使用OLE/COM高速读写EXCEL的源码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...dif
}
if (!bRtn)
{
AfxMessageBox(_T("创建Excel服务失败,你可能没有安装EXCEL，请检查!"));
return bRtn;
}
m_app.put_DisplayAlerts(FALSE);
return bRtn;
}
//
void CExcelOp::ReleaseExcel()
{
m_app.Quit();
m_app.ReleaseDispatch();
m_app=NULL;
}
//...
How to get the current time as datetime
...r.dateFormat = "yyyy/MM/dd HH:mm"
let someDateTime = formatter.date(from: "2016/10/08 22:31")
The Unicode technical standards show other formats that DateFormatter supports.
Displaying the Date and Time
Method 1
If you want to just display certain components of the date or time you can use Calendar...
Converting strings to floats in a DataFrame
...example
GHI Temp Power Day_Type
2016-03-15 06:00:00 -7.99999952505459e-7 18.3 0 NaN
2016-03-15 06:01:00 -7.99999952505459e-7 18.2 0 NaN
2016-03-15 06:02:00 -7.99999952505459e-7 18.3 0 NaN
2016-03-15 06:03:00 -7.99999952505459e-7 1...
Create new tmux session from inside a tmux session
... foo -d
$ tmux ls
> development: 1 windows (created Wed Jan 13 11:31:38 2016) [204x54]
> foo: 1 windows (created Wed Jan 13 11:31:38 2016) [204x54]
$ tmux attach -t
$ tmux ls
> development: 1 windows (created Wed Jan 13 11:31:38 2016) [204x54] (attached)
> foo: 1 windows (created Wed Jan...
SQL Server equivalent to Oracle's CREATE OR REPLACE VIEW
...
For SQL Server 2016 SP1+, see answer by lad2025.
– MBWise
Nov 15 '17 at 10:15
|
...
How to extract year and month from date in PostgreSQL without using to_char() function?
...l maintain the date format with all months starting at day one.
Example:
2016-08-01
2016-09-01
2016-10-01
2016-11-01
2016-12-01
2017-01-01
2nd Option
to_char(timestamp_column, 'YYYY-MM')
This solution proposed by @yairchu worked fine in my case. I really wanted to discard 'day' info.
...
How to read data when some numbers contain commas as thousand separator?
... local data frame [11 x 5]
Bureau.Name Account.Code X2014 X2015 X2016
1 Senate 110 158,000 211,000 186,000
2 Senate 115 0 0 0
3 Senate 123 15,000 71,000 21,000
4 Senate 126 6,000 14,000 8,000
5 Sena...
Difference between WebStorm and PHPStorm
... now, lets say 2-3-5) -- if using/comparing stable versions ONLY.
UPDATE (2016-12-13):
Since 2016.1 version PhpStorm and WebStorm use the same version/build numbers .. so there is no longer difference between the same versions: functionality present in WebStorm 2016.3 is the same as in PhpStorm 201...
Find when a file was deleted in Git
...073289f95a782307b1ebc21162
Author: Mark Amery
Date: Tue Jan 12 22:50:50 2016 +0000
Deleted foo
commit ddff7a78068aefb7a4d19c82e718099cf57be694
Author: Mark Amery
Date: Tue Jan 12 22:50:19 2016 +0000
Added foo
mark@lunchbox:~/example$ git log -- bar
mark@lunchbox:~/example$ git log -...
How to make shallow git submodules?
... optionally clone the submodule repositories shallowly.
(And git 2.10 Q3 2016 allows to record that with git config -f .gitmodules submodule.<name>.shallow true.
See the end of this answer)
See commit 275cd184d52b5b81cb89e4ec33e540fb2ae61c1f:
Add the --depth option to the add and update...