大约有 40,700 项符合查询结果（耗时：0.0844秒） [XML]
How to draw a custom UIView that is just a circle - iPhone app
How would I go about drawing a custom UIView that is literally just a ball (a 2D circle)? Would I just override the drawRect method? And can someone show me the code for drawing a blue circle?
...
How do you add an in-app purchase to an iOS application?
... do you add an in-app purchase to an iOS app? What are all the details and is there any sample code?
5 Answers
...
How to do ToString for a possibly null object?
Is there a simple way of doing the following:
12 Answers
12
...
What's the difference between “bundle display name” and “bundle name” in cocoa application's info pl
Here is a good question:
6 Answers
6
...
SQL - using alias in Group By
...
SQL is implemented as if a query was executed in the following order:
FROM clause
WHERE clause
GROUP BY clause
HAVING clause
SELECT clause
ORDER BY clause
For most relational database systems, this order explains which names ...
How is Math.Pow() implemented in .NET Framework?
...ation of Math.Pow() function. But in .NET Reflector , all I found was this:
4 Answers
...
HashMap to return default value for non-found keys?
Is it possible to have a HashMap return a default value for all keys that are not found in the set?
14 Answers
...
Java Timestamp - How can I create a Timestamp with the date 23/09/2007?
...y Timestamp, I presume you mean java.sql.Timestamp. You will notice that this class has a constructor that accepts a long argument. You can parse this using the DateFormat class:
DateFormat dateFormat = new SimpleDateFormat("dd/MM/yyyy");
Date date = dateFormat.parse("23/09/2007");
long time = date...
HTML - how can I show tooltip ONLY when ellipsis is activated
I have got a span with dynamic data in my page, with ellipsis style.
14 Answers
14
...
How do I make a redirect in PHP?
Is it possible to redirect a user to a different page through the use of PHP?
30 Answers
...