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Difference between char* and const char*?
...st char *.
However, the difference is that if the pointer is const char * then the compiler must give a diagnostic if you attempt to modify the pointed-to value, but if the pointer is char * then it does not.
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How do I suspend painting for a control and its children?
... SendMessage(Target.Handle, WM_SETREDRAW, True, 0)
If Redraw Then
Target.Refresh()
End If
End Sub
<Extension()>
Public Sub SuspendDrawing(ByVal Target As Control)
SendMessage(Target.Handle, WM_SETREDRAW, False, 0)
End Sub
<Exte...
Why does typeof NaN return 'number'?
...so using them will not cause an exception. If you have a regular number x, then x == x will always be true. If x is a NaN, then x == x will always be false. It's giving you a way to detect NaN easily (quietly).
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JS: Check if date is less than 1 hour ago?
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Define
var ONE_HOUR = 60 * 60 * 1000; /* ms */
then you can do
((new Date) - myDate) < ONE_HOUR
To get one hour from a date, try
new Date(myDate.getTime() + ONE_HOUR)
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AsyncTask Android example
...and you can even pass the result of the long operation to postExecute() to then show any results of processing.
See these lines where you are later updating your TextView:
TextView txt = findViewById(R.id.output);
txt.setText("Executed");
Put them in onPostExecute().
You will then see your Text...
Render HTML to an image
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Yes. HTML2Canvas exists to render HTML onto <canvas> (which you can then use as an image).
NOTE: There is a known issue, that this will not work with SVG
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UIView with rounded corners and drop shadow?
...ed to the rounded corners. To do that I have to use maskToBounds=TRUE, but then the shadow dissapears..
– hfossli
Mar 23 '11 at 10:35
3
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In HTML5, should the main navigation be inside or outside the element?
... (i.e. don't link to external sites such as a twitter or facebook account) then it's fine.
They tend to get placed in a header simply because that's where navigation often goes, but it's not set in stone.
You can read more about it at HTML5 Doctor.
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How to create a GUID/UUID in Python
...being URL safe. Ideally it would only use upper and lower case letters and then numbers. So I guess a base-62 string.
– Chris Dutrow
Feb 15 '19 at 4:19
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Any way to properly pretty-print ordered dictionaries?
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@Alfe: Because then the output is not ordered. The reason that OrderedDict is used instead of dict in the first place, is because the order matters.
– Teekin
Feb 13 '18 at 13:02
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