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Scalar vs. primitive data type - are they the same thing?
...on that regulates the search.
Scalar etymology (http://www.etymonline.com/index.php?allowed_in_frame=0&search=scalar&searchmode=none) means ladder-like. I think the way this relates to programming is that a ladder has only one dimension: How many rungs from the end of the ladder. A scalar d...
How do I create a URL shortener?
... i = 0; i < str.length(); i++ )
num = num * BASE + ALPHABET.indexOf(str.charAt(i));
return num;
}
}
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What is the difference between the add and offer methods in a Queue in Java?
Take the PriorityQueue for example http://java.sun.com/j2se/1.5.0/docs/api/java/util/PriorityQueue.html#offer(E)
8 Answe...
Ruby: Can I write multi-line string with no concatenation?
...re's a version using funny HEREDOC syntax (via this link):
p <<END_SQL.gsub(/\s+/, " ").strip
SELECT * FROM users
ORDER BY users.id DESC
END_SQL
# >> "SELECT * FROM users ORDER BY users.id DESC"
The latter would mostly be for situations that required more flexibility in t...
Why does UITableViewCell remain highlighted?
...
In your didSelectRowAtIndexPath you need to call deselectRowAtIndexPath to deselect the cell.
So whatever else you are doing in didSelectRowAtIndexPath you just have it call deselectRowAtIndexPath as well.
- (void)tableView:(UITableView *)tableV...
Detach many subdirectories into a new, separate Git repository
...(as kynan suggested), try this much simpler approach:
git filter-branch --index-filter 'git rm --cached -qr --ignore-unmatch -- . && git reset -q $GIT_COMMIT -- apps/AAA libs/XXX' --prune-empty -- --all
As mentioned by void.pointer in his/her comment, this will remove everything except ap...
Good examples of Not a Functor/Functor/Applicative/Monad?
...the usual semantics, which tolerates exactly one kind of undefined, you're quite right. There are other semanticses, of course. Void does not restrict to a submonoid in the total fragment. Nor is it a monoid in a semantics which distinguishes modes of failure. When I have a moment with easier than ...
How should I log while using multiprocessing in Python?
... @BrandonRhodes - As I said, non-intrusively. Using multiprocessing.Queue will not be simpler if there is a lot of code to rewire to use multiprocessing.Queue, and/or if performance is an issue
– vladr
Oct 9 '13 at 17:07
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Select something that has more/less than x character
...). In Oracle, and probably in all other RDBMSs, this means that a regular index on EmployeeName will be useless to answer this query; the database will do a full table scan, which can be really costly.
However, various databases offer a function indexes feature that is designed to speed up queries...
How to create a bash script to check the SSH connection?
...
You can check this with the return-value ssh gives you:
$ ssh -q user@downhost exit
$ echo $?
255
$ ssh -q user@uphost exit
$ echo $?
0
EDIT: Another approach would be to use nmap (you won't need to have keys or login-stuff):
$ a=`nmap uphost -PN -p ssh | grep open`
$ b=`nmap downhos...