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How to detect a Christmas Tree? [closed]
...rgv[i]);
if(original.empty())
{
cerr << "Error"<<endl;
return -1;
}
GaussianBlur(original, tmp, Size(3, 3), 0, 0, BORDER_DEFAULT);
erode(tmp, tmp, Mat(), Point(-1, -1), 10);
cvtColor(tmp, tmp, CV_BGR2HSV);
i...
Show SOME invisible/whitespace characters in Eclipse
...exp rules to detect lines with TABs and then mark such lines as checkstyle ERROR, which is clearly visible in Eclipse editor. Works fine.
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Prevent Default on Form Submit jQuery
...not work if jQuery can't get the form element, and jQuery doesn't give any error about that. If your script is placed in the head of the document, make sure the code runs after DOM is ready. So, $(document).ready(function () { // your code here // }); will solve the problem.
The best practice is, a...
What is the difference between canonical name, simple name and class name in Java Class?
...
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What's is the difference between include and extend in use case diagram?
...when certain criteria are met.
a typical example: between login and show error message (only happened sometimes)
(login) <--- << extend >> --- (show error message)
"show error message" only happens sometimes when the login process failed.
...
How to convert CFStringRef to NSString?
...reviously retained using retain will result in a reference count underflow error.
PS: can't seem to comment on Peter Hosey's answer - sorry for adding my own unnecessarily.
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Why is UICollectionViewCell's outlet nil?
...
But when I don't use it, it gives me error Assertion failure in -[UICollectionView _dequeueReusableViewOfKind:withIdentifier:forIndexPath:viewCategory:]
– Shaheera
Jun 30 '16 at 11:04
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How to wait in bash for several subprocesses to finish and return exit code !=0 when any subprocess
...ions {}
GNU Parallel will give you exit code:
0 - All jobs ran without error.
1-253 - Some of the jobs failed. The exit status gives the number of failed jobs
254 - More than 253 jobs failed.
255 - Other error.
Watch the intro videos to learn more: http://pi.dk/1
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How do I make an Android EditView 'Done' button and hide the keyboard when clicked?
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This is what ended up working for me. I decided to error with having actionDone in there as well, just in case some devices react differently.
– Jacksonkr
Mar 28 '16 at 16:10
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What is output buffering?
...example:
<?php
ob_start( );
echo "Hello World";
if ( $some_error )
{
header( "Location: error.php" );
exit( 0 );
}
?>
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