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Size of Matrix OpenCV
...So the size in terms of elements of elementary type is M.rows * M.cols * M.cn
To find the max element one can use
Mat src;
double minVal, maxVal;
minMaxLoc(src, &minVal, &maxVal);
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“please check gdb is codesigned - see taskgated(8)” - How to get gdb installed with homebrew code si
...answered Nov 18 '13 at 12:55
klm123klm123
8,7071010 gold badges4444 silver badges8181 bronze badges
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Opposite of %in%: exclude rows with values specified in a vector
...,'N','T')))
EDIT:
You can also make an operator yourself:
'%!in%' <- function(x,y)!('%in%'(x,y))
c(1,3,11)%!in%1:10
[1] FALSE FALSE TRUE
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TypeError: got multiple values for argument
...ut it took me ages to realise that.
I had
self.myFunction(self, a, b, c='123')
but it should have been
self.myFunction(a, b, c='123')
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How to programmatically set the layout_align_parent_right attribute of a Button in Relative Layout?
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Kotlin version:
Use these extensions with infix functions that simplify later calls
infix fun View.below(view: View) {
(this.layoutParams as? RelativeLayout.LayoutParams)?.addRule(RelativeLayout.BELOW, view.id)
}
infix fun View.leftOf(view: View) {
(this.layoutPa...
python capitalize first letter only
... you can use '2'.isdigit() to check for each character.
>>> s = '123sa'
>>> for i, c in enumerate(s):
... if not c.isdigit():
... break
...
>>> s[:i] + s[i:].capitalize()
'123Sa'
sha...
How can I view array structure in JavaScript with alert()?
...
123
A very basic approach is alert(arrayObj.join('\n')), which will display each array element in ...
Python's “in” set operator
...s, you need to use set operations like issubset():
>>> k
{'ip': '123.123.123.123', 'pw': 'test1234', 'port': 1234, 'debug': True}
>>> set('ip,port,pw'.split(',')).issubset(set(k.keys()))
True
>>> set('ip,port,pw'.split(',')) in set(k.keys())
False
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How to POST JSON Data With PHP cURL?
...Lastnameson","phone" => "555-1212", "province" => "ON", "zip" => "123 ABC" ) );
$postdata = json_encode($data);
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POST...
Best way to parse command line arguments in C#? [closed]
... master), or their arguments are not flexible (i.e., doesn't support --foo 123 = --foo=123 = -f 123= -f=123 and also -v -h = -vh).
– Wernight
Nov 28 '12 at 12:13
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