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How can I clone an SQL Server database on the same server in SQL Server 2008 Express?
...he "Exclusive Access could not be obtained because the database is in use" error.
– Turnip
Nov 28 '18 at 9:41
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PHP DOMDocument loadHTML not encoding UTF-8 correctly
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The workaround is very simple:
If you try the default, you will get the error you described
$str = $dom->saveHTML(); // saves incorrectly
All you have to do is save as follows:
$str = $dom->saveHTML($dom->documentElement); // saves correctly
This line of code will get your UTF-8 ch...
Writing to an Excel spreadsheet
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I was assuming it used xlwt too, but getting an openpyxl error. For anyone else who gets confused by this - it's all in the filetype you want. The pandas (0.12) docs say "Files with a .xls extension will be written using xlwt and those with a .xlsx extension will be written using o...
How can I use Server.MapPath() from global.asax?
... the request object, the response object. Very useful when you want to log errors, for example
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Is gcc's __attribute__((packed)) / #pragma pack unsafe?
..., such as SPARC, attempting to access a misaligned int object causes a bus error, crashing the program.
There have also been systems where a misaligned access quietly ignores the low-order bits of the address, causing it to access the wrong chunk of memory.
Consider the following program:
#includ...
No Multiline Lambda in Python: Why not?
... returning (y, [1,2,3]) (thus map only gets one parameter, resulting in an error)? Or does it return y? Or is it a syntax error, because the comma on the new line is misplaced? How would Python know what you want?
Within the parens, indentation doesn't matter to python, so you can't unambiguously w...
What is in your .vimrc? [closed]
... warning if &et is wrong, or we have mixed-indenting
set statusline+=%#error#
set statusline+=%{StatuslineTabWarning()}
set statusline+=%*
set statusline+=%{StatuslineTrailingSpaceWarning()}
set statusline+=%{StatuslineLongLineWarning()}
set statusline+=%#warningmsg#
set statusline+=%{Syntast...
How to force LINQ Sum() to return 0 while source collection is empty
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I got error when I try without ToList(), since it returns nothing. But the ToList() will make the empty list and it is not giving any error when I do ToList().Sum().
– Mona
Aug 4 '16 at 10:38
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“using namespace” in c++ headers
...td::vector is used
} // end the scope with }
vector myOtherVector; // error vector undefined
std::vector mySTDVector // no error std::vector is fully qualified
So effectively yes. By limiting the scope of the using declaration its effect only lasts within that scope; it is 'undone' when that ...
Recommended way to embed PDF in HTML?
... in Chrome 9 and Firefox 3.6, but in IE8 it shows the message "Insert your error message here, if the PDF cannot be displayed."
I haven't yet tested older versions of any of the above browsers, though. But here's the code I have anyway in case it helps anyone. This sets the zoom to 85%, removes s...