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How do I detect unsigned integer multiply overflow?
I was writing a program in C++ to find all solutions of a b = c , where a , b and c together use all the digits 0-9 exactly once. The program looped over values of a and b , and it ran a digit-counting routine each time on a , b and ab to check if the digits condition was satisfied.
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Select SQL Server database size
... I have some VLDBs that cause DECIMAL(8,2) to yeild "Arithmetic overflow error converting numeric to data type numeric." Changing DECIMAL(8,2) to DECIMAL(12,2) was the fix.
– colbybhearn
Aug 18 '15 at 15:12
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How to use double or single brackets, parentheses, curly braces
... typically iterated over in loops:
$ echo f{oo,ee,a}d
food feed fad
$ mv error.log{,.OLD}
(error.log is renamed to error.log.OLD because the brace expression
expands to "mv error.log error.log.OLD")
$ for num in {000..2}; do echo "$num"; done
000
001
002
$ echo {00..8..2}
00 02 04 06 08
$ echo ...
How does the algorithm to color the song list in iTunes 11 work? [closed]
...ematica given the album cover as input:
How I did it
Through trial and error, I came up with an algorithm that works on ~80% of the albums with which I've tested it.
Color Differences
The bulk of the algorithm deals with finding the dominant color of an image. A prerequisite to finding domina...
Python string.join(list) on object array rather than string array
...riments says that the list comprehension one can be a good 60% faster on small lists (experiment run 10^6 times on a list of three object()s). However, their performance is similar on big lists (2nd experiment run once on a 10^7 objects() list).
– gozzilli
Mar ...
Why should text files end with a newline?
...ooling only to the files that we author and open ourselves up to potential errors introduced by third party files.
Moral of the story: Engineer tooling that does not have the weakness of relying on EOL at EOF.
Feel free to post use cases as they apply to JS, HTML and CSS where we can examine how ...
Hide keyboard when scroll UITableView
...to our UITableViewController class
override func scrollViewDidScroll(_ scrollView: UIScrollView) {
if !tableView.isDecelerating {
view.endEditing(true)
}
}
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Good example of livelock?
...ontinue;
}
// Spouse wasn't hungry, so finally eat
spoon.use();
isHungry = false;
System.out.printf(
"%s: I am stuffed, my darling %s!%n",
name, spouse.getName());...
Determine if string is in list in JavaScript
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You can call indexOf:
if (['a', 'b', 'c'].indexOf(str) >= 0) {
//do something
}
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What's the best way to inverse sort in scala?
...way of changing the sign, if you sort by some numeric value
list.sortBy(- _.size)
More generally, sorting may be done by method sorted with an implicit Ordering, which you may make explicit, and Ordering has a reverse (not the list reverse below)
You can do
list.sorted(theOrdering.reverse)
If...