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Is a GUID unique 100% of the time?
...
446
While each generated GUID is not
guaranteed to be unique, the total
number of unique keys (21...
How to find out what type of a Mat object is with Mat::type() in OpenCV
... 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 \...
Python dictionary: Get list of values for list of keys
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answered Aug 26 '13 at 21:45
FazJaxtonFazJaxton
5,90755 gold badges2121 silver badges3030 bronze badges
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How to compare arrays in JavaScript?
...operty(Array.prototype, "equals", {enumerable: false});
Usage:
[1, 2, [3, 4]].equals([1, 2, [3, 2]]) === false;
[1, "2,3"].equals([1, 2, 3]) === false;
[1, 2, [3, 4]].equals([1, 2, [3, 4]]) === true;
[1, 2, 1, 2].equals([1, 2, 1, 2]) === true;
You may say "But it is much faster to compare strings ...
How can I play sound in Java?
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edited Jun 8 '16 at 5:54
Bilesh Ganguly
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answe...
Using Razor within JavaScript
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642
Use the <text> pseudo-element, as described here, to force the Razor compiler back into c...
Test if string is a number in Ruby on Rails
...t(string) rescue false
end
And then call it like this:
my_string = '12.34'
is_number?( my_string )
# => true
Extend String Class.
If you want to be able to call is_number? directly on the string instead of passing it as a param to your helper function, then you need to define is_number? as...
Twitter Bootstrap modal: How to remove Slide down effect
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edited Apr 4 '14 at 20:59
digitalextremist
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