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What would cause an algorithm to have O(log n) complexity?
...s assume you have, say, a list of N elements that are sorted in increasing order. You want to find out if some given number exists in that list. One way to do that which is not a binary search is to just scan each element of the list and see if it's your target number. You might get lucky and fin...
Can one do a for each loop in java in reverse order?
I need to run through a List in reverse order using Java.
13 Answers
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MySQL order by before group by
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Using an ORDER BY in a subquery is not the best solution to this problem.
The best solution to get the max(post_date) by author is to use a subquery to return the max date and then join that to your table on both the post_author an...
Possible to iterate backwards through a foreach?
...rrect method for this task. Plus, for as much as foreach is implemented in-order, the construct itself is built for expressing loops that are independent of element indexes and iteration order, which is particularly important in parallel programming. It is my opinion that iteration relying on order ...
WebSocket with SSL
... request where the WS server is running. e.g: ws://10.12.23.45:5641/server.php. and I know its a very bad solution - although, it works for me. I'd appreciate your help if you guide me through the apache configuration. e.g: where to put the .cert etc. thanks!
– muaaz
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Escaping a forward slash in a regular expression
...it by putting a backward slash in front of it: \/ For some languages (like PHP) you can use other characters as the delimiter and therefore you don't need to escape it. But AFAIK in all languages, the only special significance the / has is it may be the designated pattern delimiter.
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Is main() really start of a C++ program?
... don't have full control prior to main, you don't have full control on the order in which the static blocks get initialized.
After main, your code is conceptually "fully in control" of the program, in the sense that you can both specify the instructions to be performed and the order in which to per...
Webstorm: “Cannot Resolve Directory”
...m: "Cannot resolve file", cannot resolve directory" Seems that WebStorm, phpStrom, have had this issue for a very long time, there are hundreds of treads asking the same thing, no real clear answer it seems, goes back to 2011 it seems Most common responses are: - need to mark that directory as a...
Difference between abstraction and encapsulation?
...google the article name. this is the one i stumbled upon tonymarston.co.uk/php-mysql/abstraction.txt
– Abhijeet Apsunde
Jul 29 '13 at 10:33
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How to filter logcat in Android Studio?
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Is there a regex to negate this, in order to hide the logs that contain a line?
– Hugo M. Zuleta
Nov 22 '16 at 18:49
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