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What does T&& (double ampersand) mean in C++11?
...and copy assignment operator should both do memcpy(ptr, s.ptr, size) after testing that size != 0. And the default constructor should do memset(ptr,0, size) if size != 0.
– kurt krueckeberg
Dec 29 '19 at 22:38
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What is the copy-and-swap idiom?
...arked sequentially in the code as (n).
The first is the self-assignment test. This check serves two purposes: it's an easy way to prevent us from running needless code on self-assignment, and it protects us from subtle bugs (such as deleting the array only to try and copy it). But in all other ca...
Why shouldn't I use mysql_* functions in PHP?
...ove)
$link = mysql_connect('localhost', 'user', 'pass');
mysql_select_db('testdb', $link);
mysql_set_charset('UTF-8', $link);
With PDO: All you need to do is create a new PDO object. The constructor accepts parameters for specifying the database source PDO's constructor mostly takes four paramete...
Best way to represent a fraction in Java?
... it if you want it. I've been dying to show this off somehow. :)
Edit: Latest and greatest version of this code, including unit tests is now hosted on GitHub and also available via Maven Central. I'm leaving my original code here so that this answer isn't just a link...
import java.math.*;
/**...
Concurrent vs serial queues in GCD
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I have tested your last one, the concurrentQueue.sync of doLongSyncTaskInConcurrentQueue() function, it prints main thread, Task will run in different thread seems not true.
– gabbler
Mar 31 '1...
What is the list of supported languages/locales on Android?
..."values-sp" directory (and maybe other fancy forms based on "sp" code). My testing device is under Android 4.0.4, it may be fixed by now, but that is far later than 1.5 where support is expected with ISO-639-1 (or even BCP-47 by the way).
– Alex
Feb 14 '17 at 8...
What killed my process and why?
...3
dwcdwc
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Link to add to Google calendar
...gle.com/calendar/render?action=TEMPLATE&text=Your+Event+Name&dates=20140127T224000Z/20140320T221500Z&details=For+details,+link+here:+http://www.example.com&location=Waldorf+Astoria,+301+Park+Ave+,+New+York,+NY+10022&sf=true&output=xml
Note the key query parameters:
text
dat...
When to encode space to plus (+) or %20?
...ometimes the spaces get URL encoded to the + sign, some other times to %20 . What is the difference and why should this happen?
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How do 20 questions AI algorithms work?
Simple online games of 20 questions powered by an eerily accurate AI.
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