大约有 30,000 项符合查询结果（耗时：0.0226秒） [XML]
invalid byte sequence for encoding “UTF8”
...it from a different source, consult the list of character encodings here:
http://www.postgresql.org/docs/8.3/static/multibyte.html
If you're getting it from a Mac, you may have to run it through the "iconv" utility first to convert it from MacRoman to UTF-8.
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What does void* mean and how to use it?
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You can have a look at this article about pointers http://www.cplusplus.com/doc/tutorial/pointers/ and read the chapter : void pointers.
This also works for C language.
The void type of pointer is a special type of pointer. In C++, void
represents the absence of type, ...
Why does the CheckBoxFor render an additional input tag, and how can I get the value using the FormC
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Have a look here:
http://forums.asp.net/t/1314753.aspx
This isn't a bug, and is in fact the same approach that both Ruby on
Rails and MonoRail use.
When you submit a form with a checkbox, the value is only posted if
the checkbox i...
Reading/parsing Excel (xls) files with Python
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You can choose any one of them http://www.python-excel.org/
I would recommended python xlrd library.
install it using
pip install xlrd
import using
import xlrd
to open a workbook
workbook = xlrd.open_workbook('your_file_name.xlsx')
open sheet ...
Rolling median algorithm in C
...cipy
See Perreault + Hebert, Median Filtering in Constant Time, 2007,
http://nomis80.org/ctmf.html: nice 6-page paper and C code,
mainly for 2d images
Example:
y = medians( x, window=window, nlevel=nlevel )
uses:
med = Median1( nlevel, window, counts=np.bincount( x[0:window] ))...
Is there a VB.NET equivalent for C#'s '??' operator?
...r should do the trick for you:
value = If(nullable, defaultValueIfNull)
http://visualstudiomagazine.com/listings/list.aspx?id=252
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Jquery mouseenter() vs mouseover()
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You see the behavior when your target element contains child elements:
http://jsfiddle.net/ZCWvJ/7/
Each time your mouse enters or leaves a child element, mouseover is triggered, but not mouseenter.
$('#my_div').bind("mouseover mouseenter", function(e) {
var el = $("#" + e.type);
var...
How do I explicitly instantiate a template function?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
How to use the CancellationToken property?
... not.
MSDN is very clear what that parameter controls, have you read it?
http://msdn.microsoft.com/en-us/library/dd321703(v=vs.110).aspx
If throwOnFirstException is true, an exception will immediately
propagate out of the call to Cancel, preventing the remaining
callbacks and cancelable op...
Returning anonymous type in C#
... ).ToList();
return TheQueryFromDB.ToList();
}
}
http://msdn.microsoft.com/en-us/library/system.tuple(v=vs.110).aspx
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