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Difference between SelectedItem, SelectedValue and SelectedValuePath
...to a collection of Category objects (with each Category object having Name and ID properties). eg. ObservableCollection<Category>. The SelectedItem property will return you the currently selected Category object. For binding purposes however, this is not always what you want, as this only en...
How can you find the height of text on an HTML canvas?
...ind out how tall it is. I know it's based on the font, but I don't know to convert a font string to a text height.
23 Answe...
What's the difference between ngModel.$modelValue and ngModel.$viewValue
...nslate it back to
$modelValue.
If you change $modelValue, $formatters will
convert it to $viewValue.
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In which situations do we need to write the __autoreleasing ownership qualifier under ARC?
...ple, the code
NSError* __autoreleasing error = someError;
actually gets converted to
NSError* error = [[someError retain] autorelease];
... which is why it works when you have a parameter NSError* __autoreleasing * errorPointer, the called method will then assign the error to *errorPointer and...
SQL Server dynamic PIVOT query?
...T_SQL_STRING = 'SELECT top 1 STUFF((SELECT distinct '', '' + CAST(''[''+CONVERT(VARCHAR,'+ @PIVOT_COLUMN+')+'']'' AS VARCHAR(50)) [text()]
FROM '+@TABLE+'
WHERE ISNULL('+@PIVOT_COLUMN+','''') <> ''''
FOR XM...
Django - how to create a file and save it to a model's FileField?
...ile) works perfectly with the file string returned by django-wkhtmltopdf's convert_to_pdf command. Thank you!!
– Nostalg.io
Sep 1 '16 at 4:53
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What is the closest thing Windows has to fork()?
...ss call. Next, the parent
process calls setjmp to save its own
context and sets a pointer to this in
a Cygwin shared memory area (shared
among all Cygwin tasks). It then fills
in the child's .data and .bss sections
by copying from its own address space
into the suspended child's addres...
Create a custom event in Java
...dListener(responder);
initiater.sayHello(); // Prints "Hello!!!" and "Hello there..."
}
}
Related article: Java: Creating a custom event
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When to use inline function and when not to use it?
I know that inline is a hint or request to compiler and its used to avoid function call overheads.
14 Answers
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Coloring white space in git-diff's output
...g-whitespace-on-removal-with-git-diff-td5653205.html .)
For example, when converting a file from DOS line endings to Unix, git diff -R clearly shows me the ^M characters (dis)appearing at the ends of lines. Without -R (and also without -w etc.) it shows that the entire file has changed, but doesn'...