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Why can't an anonymous method be assigned to var?
...e the code to detect all of those failure situations and give a meaningful error message for each. We still have to specify all that behaviour, document it, write tests for it, and so on. This is a very expensive feature that saves the user maybe half a dozen keystrokes. We have better ways to add ...
Why can't I forward-declare a class in a namespace using double colons?
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In Python, using argparse, allow only positive integers
...lue = int(value)
if ivalue <= 0:
raise argparse.ArgumentTypeError("%s is an invalid positive int value" % value)
return ivalue
parser = argparse.ArgumentParser(...)
parser.add_argument('foo', type=check_positive)
This is basically just an adapted example from the perfect_square...
“Diff” an image using ImageMagick
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– Brecht Machiels
Mar 16 '16 at 13:05
Here's a script to visually diff two PDFs page-by-page using this method: gist....
How to split text without spaces into list of words?
...sick ?
– RetroCode
Sep 22 '16 at 19:05
9
This is excellent. I've turned it into a pip package: p...
How to keep the local file or the remote file during merge using Git and the command line?
...ge modification using vimdiff, but, assuming I just know that the entire file is good to keep or to throw away, how do I do that?
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Execute command on all files in a directory
... This is the correct way to process files. Using a for loop is error-prone due to many reasons. Also sorting can be done by using other commands such as stat and sort, which of-course dependes on what is sorting criteria.
– tuxdna
Dec 25 '13 at 8:10...
GCM with PHP (Google Cloud Messaging)
...Actually send the request
$result = curl_exec($ch);
// Handle errors
if (curl_errno($ch)) {
echo 'GCM error: ' . curl_error($ch);
}
// Close curl handle
curl_close($ch);
// Debug GCM response
echo $result;
}
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Quicksort vs heapsort
Both quicksort and heapsort do in-place sorting. Which is better? What are the applications and cases in which either is preferred?
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What is a “surrogate pair” in Java?
I was reading the documentation for StringBuffer , in particular the reverse() method. That documentation mentions something about surrogate pairs . What is a surrogate pair in this context? And what are low and high surrogates?
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