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What is the difference between public, protected, package-private and private in Java?
... workload.
– Dennis
Dec 8 '14 at 10:05
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show 4 more comments
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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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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...
How to update Python?
...switching bit-versions, remove the other bit-version first.
UPDATES: 2016-05-16
Anaconda and MiniConda can be used with an existing Python installation by disabling the options to alter the Windows PATH and Registry. After extraction, create a symlink to conda in your bin or install conda from Py...
Migration: Cannot add foreign key constraint
... however when I migrate my table using artisan i am thrown the following error:
33 Answers
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What is Android keystore file, and what is it used for?
This is a general question, but particularly I am interested in it's use for Android. What is a keystore file, and what is it used for?
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List comprehension rebinds names even after scope of comprehension. Is this right?
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edited Jul 14 '18 at 19:05
answered Nov 16 '10 at 21:47
B...