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Size of Matrix OpenCV
...m new to OpenCV. Could you please tell me how to obtain the size of a matrix in OpenCV?. I googled and I am still searching, but if any of you know the answer, please help me.
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How does zip(*[iter(s)]*n) work in Python?
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iter() is an iterator over a sequence. [x] * n produces a list containing n quantity of x, i.e. a list of length n, where each element is x. *arg unpacks a sequence into arguments for a function call. Therefore you're passing the same iterator 3 times to zip(), and...
Checking if sys.argv[x] is defined
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In the end, the difference between try, except and testing len(sys.argv) isn't all that significant. They're both a bit hackish compared to argparse.
This occurs to me, though -- as a sort of low-budget argparse:
arg_names = ['command', 'x', 'y', 'operation', 'opt...
Which version of the git file will be finally used: LOCAL, BASE or REMOTE?
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You can also get rid of meld and just edit the file with your favorite text editor.
The code between <<<< HEAD and ===== markers is the one of your local file before the merge.
The code between ==== and >>>> <branch name> is the one of the remote file.
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How do you use “
... function works. The other level (the child) does the work. The following example shows how can use this idea to generate a family of power functions. The parent function (power) creates child functions (square and cube) that actually do the hard work.
power <- function(exponent) {
function(x)...
How to disable typing special characters when pressing option key in Mac OS X? [closed]
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I was having the exact same problem, in the exact same IDE.
The solution to this is to download Ukulele from here:
http://scripts.sil.org/cms/scripts/page.php?site_id=nrsi&id=ukelele
In the application you can create a new keylayout usi...
How to create id with AUTO_INCREMENT on Oracle?
...bir
BEFORE INSERT ON departments
FOR EACH ROW
BEGIN
SELECT dept_seq.NEXTVAL
INTO :new.id
FROM dual;
END;
/
UPDATE:
IDENTITY column is now available on Oracle 12c:
create table t1 (
c1 NUMBER GENERATED by default on null as IDENTITY,
c2 VARCHAR2(10)
);
or specify starti...
Unicode equivalents for \w and \b in Java regular expressions?
Many modern regex implementations interpret the \w character class shorthand as "any letter, digit, or connecting punctuation" (usually: underscore). That way, a regex like \w+ matches words like hello , élève , GOÄ_432 or gefräßig .
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orderBy multiple fields in Angular
...e fields at same time in angular? fist by group and then by sub-group
for Example
8 Answers
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Lua string to int
.../manual/5.3/manual.html): "A numeric constant with a fractional dot or an exponent denotes a float; otherwise it denotes an integer."
– Kevin Lee
Mar 19 '15 at 15:10
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