大约有 44,000 项符合查询结果（耗时：0.0561秒） [XML]
Multiple Type Constraints in Swift
...
Geez this isn't logical, but good to know I just want to be one of the thanks spammers for this one, havent' realised this in a month since I needed it.
– Mathijs Segers
Apr 28 '15 at 13:11
...
How do I define and use an ENUM in Objective-C?
... that's #imported into your header), because otherwise the compiler won't know what size to make the PlayerState ivar. Other than that, it looks ok to me.
share
|
improve this answer
|
...
How to select bottom most rows?
... I couldn't see the difference between yours and the order by answers, but now I can. So +1.
– RichardOD
Dec 9 '09 at 20:52
1
...
How do you calculate the average of a set of circular data? [closed]
...ent, and also work well in the zero case, so kudos to him.
The subject is now explored in more detail on Wikipedia, and with other uses, like fractional parts.
share
|
improve this answer
...
Difference between 3NF and BCNF in simple terms (must be able to explain to an 8-year old)
...t key.
Because each pizza must have exactly one of each topping type, we know that (Pizza, Topping Type) is a candidate key. We also know intuitively that a given topping cannot belong to different types simultaneously. So (Pizza, Topping) must be unique and therefore is also a candidate key. So...
Consistency of hashCode() on a Java string
... you shouldn't rely on a hash code implementation remaining the same, it's now documented behaviour for java.lang.String, so changing it would count as breaking existing contracts.
Wherever possible, you shouldn't rely on hash codes staying the same across versions etc - but in my mind java.lang.St...
Cached, PHP generated Thumbnails load slowly
... currently working on reducing the open connections (went from 40 orso to now 30 orso... the final push is the most difficult as some of the images are repweating backgrounds and cannot go into a sprite (or???)
– Sam
Mar 10 '11 at 8:48
...
Get a list of all git commits, including the 'lost' ones
...eachable from any branches, and felt a bit dirty leaving them in the repo. Now the thought isn't quite as unsettling anymore. :)
– Emil Lundberg
Jan 27 '12 at 0:34
...
How to validate an email address in PHP
...xists. The only way to find that out is by sending a confirmation mail.
Now that you have your easy answer feel free to read on about email address validation if you care to learn or otherwise just use the fast answer and move on. No hard feelings.
Trying to validate an email address using a re...
How to define a two-dimensional array?
...w, h = 8, 5;
Matrix = [[0 for x in range(w)] for y in range(h)]
You can now add items to the list:
Matrix[0][0] = 1
Matrix[6][0] = 3 # error! range...
Matrix[0][6] = 3 # valid
Note that the matrix is "y" address major, in other words, the "y index" comes before the "x index".
print Matrix[0]...