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How to find out what type of a Mat object is with Mat::type() in OpenCV
...e CV_32S: r = "32S"; break;
case CV_32F: r = "32F"; break;
case CV_64F: r = "64F"; break;
default: r = "User"; break;
}
r += "C";
r += (chans+'0');
return r;
}
If M is a var of type Mat you can call it like so:
string ty = type2str( M.type() );
printf("Matrix: %s %dx%d ...
How to identify numpy types in python?
...rtabarnert
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Which version of Python do I have installed?
... -v command, since it tells architecture of the installed python (32bit or 64bit)
– Abouzar Nouri
Jan 10 '17 at 12:28
1
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Array.Copy vs Buffer.BlockCopy
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Since the parameters to Buffer.BlockCopy are byte-based rather than index-based, you're more likely to screw up your code than if you use Array.Copy, so I would only use Buffer.BlockCopy in a performance-critical section of my code.
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How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
...guage: c# --> public static string GetColumnName(int index) // zero-based { const byte BASE = 'Z' - 'A' + 1; string name = String.Empty; do { name = Convert.ToChar('A' + index % BASE) + name; index = index / BASE - 1; } while (index >= 0); return name; }
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How to convert an int value to string in Go?
...sting to note that strconv.Itoa is shorthand for
func FormatInt(i int64, base int) string
with base 10
For Example:
strconv.Itoa(123)
is equivalent to
strconv.FormatInt(int64(123), 10)
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How do I convert NSInteger to NSString datatype?
...gers are not objects, you cast them to long, in order to match the current 64-bit architectures' definition:
NSString *inStr = [NSString stringWithFormat: @"%ld", (long)month];
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Long vs Integer, long vs int, what to use and when?
...Object form of long, and Integer is the object form of int.
The long uses 64 bits. The int uses 32 bits, and so can only hold numbers up to ±2 billion (-231 to +231-1).
You should use long and int, except where you need to make use of methods inherited from Object, such as hashcode. Java.util.col...
How to determine why visual studio might be skipping projects when building a solution
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If the confixguration is x64 and the x64 compiler isn't installed it will skip the project.
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qmake: could not find a Qt installation of ''
...s up the complete qt5 development installation for me: apt-get install qt5base-dev qtdeclarative5-dev qt5-qmake qt5-default qttools5-dev-tools And then check using: qtchooser -print-env
– Salil
Jan 25 '16 at 23:42
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