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Is JavaScript an untyped language?
... is correct. The giant screenshot is incorrect.
– Alex W
Jun 11 '14 at 14:55
2
I was glad to see ...
UIView frame, bounds and center
...m. By default it starts at the top left.
Bounds A view's bounds (CGRect) expresses a view rectangle in its own coordinate system.
Center A center is a CGPoint expressed in terms of the superview's coordinate system and it determines the position of the exact center point of the view.
Taken from U...
Xcode 4 - slow performance
I have an issue with Xcode 4 really responding very slowly to user interactions, e.g. editing code, scrolling areas etc. This particularly happens with larger scale projects with many controllers/view files etc.
...
Good ways to sort a queryset? - Django
... can override this on a per-QuerySet basis by using the order_by method.
Example:
ordered_authors = Author.objects.order_by('-score', 'last_name')[:30]
The result above will be ordered by score descending, then by last_name ascending. The negative sign in front of "-score" indicates descending o...
Is == in PHP a case-sensitive string comparison?
...strings, you may wish to normalize them first. See the Normalizer class.
Example (output in UTF-8):
$s1 = mb_convert_encoding("\x00\xe9", "UTF-8", "UTF-16BE");
$s2 = mb_convert_encoding("\x00\x65\x03\x01", "UTF-8", "UTF-16BE");
//look the same:
echo $s1, "\n";
echo $s2, "\n";
var_dump($s1 == $s2);...
How can I get screen resolution in java?
How can one get the screen resolution (width x height) in pixels?
10 Answers
10
...
Reading specific lines only
...
enumerate(x) uses x.next, so it doesn't need the entire file in memory.
– Alok Singhal
Jan 17 '10 at 17:46
3
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Finding duplicates in O(n) time and O(1) space
...
end if
end for
The first loop permutes the array so that if element x is present at least once, then one of those entries will be at position A[x].
Note that it may not look O(n) at first blush, but it is - although it has a nested loop, it still runs in O(N) time. A swap only occurs if the...
Design RESTful query API with a long list of query parameters [closed]
...ook - whatever the problem domain dictates. However, an endpoint can also expose a different resource - for example search results.
Consider the following example:
GET /books?author=AUTHOR
POST /books
PUT /books/ID
DELETE /books/ID
This is a typical REST CRUD. However what if we added:
...
How to select a CRAN mirror in R
...
You should either get a window with a list of repositories or a text menu with some options. But if that is not appearing, you can always specify the mirror from where to download the packages yourself by using repos parameter. By doing that, R will not ask you anymore about the repository....