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How to remove outliers from a dataset
I've got some multivariate data of beauty vs ages. The ages range from 20-40 at intervals of 2 (20, 22, 24....40), and for each record of data, they are given an age and a beauty rating from 1-5. When I do boxplots of this data (ages across the X-axis, beauty ratings across the Y-axis), there are so...
Programmer Puzzle: Encoding a chess board state throughout a game
... bit for one of these six squares if the right piece happens to be in it. Alternatively we could treat each unmoved piece as another piece type so instead of 6 piece types on each side (pawn, rook, knight, bishop, queen and king) there are 8 (adding unmoved rook and unmoved king).
En Passant
Anoth...
how to provide a swap function for my class?
...is has nothing to do with SFINAE.
// some algorithm in your code
template<class T>
void foo(T& lhs, T& rhs) {
using std::swap; // enable 'std::swap' to be found
// if no other 'swap' is found through ADL
// some code ...
swap(lhs, rhs); // unqualified c...
Version number comparison in Python
...format in Bash?":
assert mycmp("1", "1") == 0
assert mycmp("2.1", "2.2") < 0
assert mycmp("3.0.4.10", "3.0.4.2") > 0
assert mycmp("4.08", "4.08.01") < 0
assert mycmp("3.2.1.9.8144", "3.2") > 0
assert mycmp("3.2", "3.2.1.9.8144") < 0
assert mycmp("1.2", "2.1") < 0
assert mycmp("2.1...
Converting String array to java.util.List
...
List<String> strings = Arrays.asList(new String[]{"one", "two", "three"});
This is a list view of the array, the list is partly unmodifiable, you can't add or delete elements. But the time complexity is O(1).
If you want ...
PHP server on local machine?
...
PHP 5.4 and later have a built-in web server these days.
You simply run the command from the terminal:
cd path/to/your/app
php -S 127.0.0.1:8000
Then in your browser go to http://127.0.0.1:8000 and boom, your system should be up and running. (There mus...
AngularJS ng-include does not include view unless passed in $scope
...o specify the explicit URL directly in there, you have to give a string.
<div ng-include src="'page.html'"></div>
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string sanitizer for filename
...
No good for languages with Umlauts. This would result in Qubec for Québec, Dsseldorf for Düsseldorf, and so on.
– Pekka
Jan 7 '10 at 17:11
15
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T-SQL stored procedure that accepts multiple Id values
...ered Sep 4 '08 at 6:55
Matt HamiltonMatt Hamilton
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SQL Server 2005 How Create a Unique Constraint?
...
The SQL command is:
ALTER TABLE <tablename> ADD CONSTRAINT
<constraintname> UNIQUE NONCLUSTERED
(
<columnname>
)
See the full syntax here.
If you want to do it from a Database Diagram:
ri...