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When should I use Memcache instead of Memcached?
...s named memcache and memcached . What is the difference and how do you know which one to use? Is one outdated? It seems that memcached offers more methods so I would assume that means it has had the most development - but it also seems to require external C/C++ libraries so I'm not sure if I ca...
Deprecated: mysql_connect()
...It keeps the program going, and mysql_xxxx functions mean no problem right now since they work well in the current version. All you're telling about it being deprecated is PART OF THE ERROR MESSAGE so it's not a wise thing to repeat. Everyone can see it's deprecated, yes, thank you, next please. ...
What are the typical reasons Javascript developed on Firefox fails on IE? [closed]
... on recent Firefox and Safari. I missed to check in Internet Explorer, and now I find the pages don't work on IE 6 and 7 (so far). The scripts are somehow not executed, the pages show as if javascript wasn't there, although some javascript is executed. I am using own libraries with dom manipulation,...
LINQ's Distinct() on a particular property
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EDIT: This is now part of MoreLINQ.
What you need is a "distinct-by" effectively. I don't believe it's part of LINQ as it stands, although it's fairly easy to write:
public static IEnumerable<TSource> DistinctBy<TSource, TKey>...
Can hash tables really be O(1)?
It seems to be common knowledge that hash tables can achieve O(1), but that has never made sense to me. Can someone please explain it? Here are two situations that come to mind:
...
What is the proper way to format a multi-line dict in Python?
...iously, I couldn't find an "authoritative" reference either. I'll let you know if I do! Perhaps someone should contact Guido.
– FogleBird
Jun 17 '11 at 19:00
2
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Include jQuery in the JavaScript Console
...xample, on a website I would like to get the number of rows in a table. I know this is really easy with jQuery.
20 Answers
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How to check an Android device is HDPI screen or MDPI screen?
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The below answer is now the above answer, need to be more generic ;)
– Neil
Oct 3 '12 at 11:58
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How do I find the length of an array?
...pression so it doesn't have any drawbacks over the macro (at least none I know of).
You can also consider using std::array from C++11 which exposes its length with no overhead over a native C array.
C++17 has std::size() in the <iterator> header which does the same and works for STL containe...
Understanding CUDA grid dimensions, block dimensions and threads organization (simple explanation) [
...s 4 multiprocessors and only 4 blocks are
being executed simultaneously).
Now a simple case: processing a 512x512 image
Suppose we want one thread to process one pixel (i,j).
We can use blocks of 64 threads each. Then we need 512*512/64 = 4096 blocks
(so to have 512x512 threads = 4096*64)
It's c...