大约有 47,000 项符合查询结果（耗时：0.0966秒） [XML]
Value cannot be null. Parameter name: source
... what you'd expect. This error message often crops up when your connection string is wrong.
At a guess, you'll need something like this:
<connectionStrings>
<add name="hublisherEntities" connectionString="Data Source=localhost;Initial Catalog=hublisher;Integrated Security=True;" provi...
How can I get current date in Android?
...
Just check this link where you get an idea for your example.
For example:
String dateStr = "04/05/2010";
SimpleDateFormat curFormater = new SimpleDateFormat("dd/MM/yyyy");
Date dateObj = curFormater.parse(dateStr);
SimpleDateFormat postFormater = new SimpleDateFormat("MMMM dd, yyyy");
Strin...
Convert array of strings to List
...tor of List<T>. It accepts any IEnumerable<T> as an argument.
string[] arr = ...
List<string> list = new List<string>(arr);
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How can I display a pdf document into a Webview?
...ViewById(R.id.webview);
webview.getSettings().setJavaScriptEnabled(true);
String pdf = "http://www.adobe.com/devnet/acrobat/pdfs/pdf_open_parameters.pdf";
webview.loadUrl("https://drive.google.com/viewerng/viewer?embedded=true&url=" + pdf);
...
Cython: “fatal error: numpy/arrayobject.h: No such file or directory”
...code and set include_dirs for Numpy automatically.
Load your code into a string, then simply run cymodule = cyper.inline(code_string), then your function is available as cymodule.sparsemaker instantaneously. Something like this
code = open(your_pyx_file).read()
cymodule = cyper.inline(code)
cymo...
HTML5 Pre-resize images before uploading
...r. I will have a play tonight... With the file api that is. I got the drag and drop upload to work and I realised this would also be a really nice feature to include. Yippee.
– Jimmyt1988
Apr 26 '12 at 13:20
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How to disable an Android button?
...ontent"
android:layout_width="wrap_content"
android:text="@string/button_text"
android:clickable = "false" />
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What does “%.*s” mean in printf?
...pecifier/precision to printf(), rather than hard coding it into the format string, i.e.
void f(const char *str, int str_len)
{
printf("%.*s\n", str_len, str);
}
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How do I check if a variable exists in a list in BASH
... to learn bashscript fundamentals and I wanted to know how you could parse string of list, into list, and you do the exist check in that list. I can understand you split using space but I couldn't fully understand the expression. Can you provide me the keywords to Google the fundamentals of this exp...
What's up with Java's “%n” in printf?
...
%n is portable across platforms
\n is not.
See the formatting string syntax in the reference documentation:
'n' line separator The result is the
platform-specific line separator
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