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Can I call memcpy() and memmove() with “number of bytes” set to zero?
... the length of the array for a
function, n can have the value zero on a call to that function. Unless explicitly stated
otherwise in the description of a particular function in this subclause, pointer arguments
on such a call shall still have valid values, as described in 7.1.4. On such a call...
How to check if a float value is a whole number
... @PeterM: The method indeed only returns True if there are no decimals at all. There may be a misunderstanding on the part of the OP about floating point arithmetic and precision, of course.
– Martijn Pieters♦
Feb 5 '14 at 17:17
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Get filename and path from URI from mediastore
... cursor.moveToFirst();
return cursor.getString(column_index);
} finally {
if (cursor != null) {
cursor.close();
}
}
}
share
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improve this answer
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f...
pretty-print JSON using JavaScript
...or sure) and not HTML. Output can be seen inside console. You can edit the _variables inside the function adding some more styling.
function JSONstringify(json) {
if (typeof json != 'string') {
json = JSON.stringify(json, undefined, '\t');
}
var
arr = [],
_stri...
How to set transform origin in SVG
...is tripped me up for a bit, as I was thinking in CSS box models. @forresto alludes to this in his answer below.
– Jason Farnsworth
Dec 14 '15 at 6:14
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Swift variable decorations with “?” (question mark) and “!” (exclamation mark)
I understand that in Swift all variables must be set with a value, and that by using optionals we can set a variable to be set to nil initially.
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How do I ignore files in a directory in Git?
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This is actually a copy-paste from the git documentation
– mcont
Aug 17 '18 at 10:00
1
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What is the difference between == and equals() in Java?
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@BoDidely I figured it out. It was because all the wrapper classes are immutable.
– JPG
Jul 31 '15 at 20:41
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Windows 7, 64 bit, DLL problems
...++ 32-bit executable on my Windows 7 64-bit development box that also has all those Microsoft applications (Visual Studio 2008 + 2010, TFS, SDK, Microsoft Office)...
And it's still running just fine.
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WPF - How to force a Command to re-evaluate 'CanExecute' via its CommandBindings
... RoutedCommand I've defined. The associated CommandBinding provides a callback for the evaluation of CanExecute which controls the enabled state of each MenuItem .
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