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What is an undefined reference/unresolved external symbol error and how do I fix it?
...rsal-character-name
in a character literal or a non-raw string literal, is converted to
the corresponding member of the execution character set; [SNIP]
Adjacent string literal tokens are concatenated.
White-space characters separating tokens are no longer significant. Each preprocessing token is con...
Set time to 00:00:00
...Use *java.time* instead.
.toInstant() // Convert this moment in UTC from the legacy class `Date` to the modern class `Instant`.
.atZone( ZoneId.of( "Africa/Tunis" ) ) // Adjust from UTC to the wall-clock time used by the people of a particular region (a time...
How to get pixel data from a UIImage (Cocoa Touch) or CGImage (Core Graphics)?
...een: g, blue: b, alpha: a)
}
}
}
The reason you have to draw/convert the image first into a buffer is because images can have several different formats. This step is required to convert it to a consistent format you can read.
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How to Compare Flags in C#?
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public static bool IsSet( this Enum input, Enum matchTo )
{
return ( Convert.ToUInt32( input ) & Convert.ToUInt32( matchTo ) ) != 0;
}
Then you can do:
FlagTests testItem = FlagTests.Flag1 | FlagTests.Flag2;
if( testItem.IsSet ( FlagTests.Flag1 ) )
//Flag1 is set
Incidentally t...
Is there a Max function in SQL Server that takes two values like Math.Max in .NET?
... @val2))
Edit: If you're dealing with very large numbers you'll have to convert the value variables into bigint in order to avoid an integer overflow.
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Convert pandas timezone-aware DateTimeIndex to naive timestamp, but in certain timezone
...DateTimeIndex timezone aware, but how can you do the opposite: how can you convert a timezone aware Timestamp to a naive one, while preserving its timezone?
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How to detect total available/free disk space on the iPhone/iPad device?
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Converting to a float may give inaccurate results above around 2GB. If you need to deal with really large file sizes, use a double or long double instead.
– Ash
Feb 3 '12 at 10:16
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OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
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Unless there is some other requirement not specified, I would simply convert your color image to grayscale and work with that only (no need to work on the 3 channels, the contrast present is too high already). Also, unless there is some specific problem regarding resizing, I would work with a ...
How to convert array values to lowercase in PHP?
How can I convert all values in an array to lowercase in PHP?
10 Answers
10
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How to convert index of a pandas dataframe into a column?
This seems rather obvious, but I can't seem to figure out how to convert an index of data frame to a column?
7 Answers
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