大约有 47,000 项符合查询结果（耗时：0.0721秒） [XML]
Is it okay to use now?
I'm working on a mobile phone web app and I have several text fields that could benefit from <input type="tel"/> . iPhones will adjust the keyboard for the user, but I'm worried about breaking backwards compatibility. What I'm hoping is that browsers/phone that support this can assist the use...
Incomplete type is not allowed: stringstream
Why does this line give the error Error: incomplete type is not allowed ?
3 Answers
3...
Which gets priority, maxRequestLength or maxAllowedContentLength?
While changing the maximum allowed file size for upload I stumbled on those two settings.
2 Answers
...
PostgreSQL: insert from another table
I'm trying to insert data to a table from another table and the tables have only one column in common. The problem is, that the TABLE1 has columns that won't accept null values so I can't leave them empty and I can't get them from the TABLE2.
...
Difference between fram>me m>work and static library in xcode4, and how to call them
I am quite new to xcode and objective-c. I want to ask a very basic question.
2 Answers
...
What is the syntax for “not equal” in SQLite?
...
From the official docum>me m>ntation:
The non-equals operator can be either != or <>
So your code becom>me m>s:
Cursor findNormalItems = db.query("items", columns, "type != ?",
new String[] ...
Jquery change background color
I was trying out jquery with this example:
3 Answers
3
...
Java HashMap performance optimization / alternative
...
As many people pointed out the hashCode() m>me m>thod was to blam>me m>. It was only generating around 20,000 codes for 26 million distinct objects. That is an average of 1,300 objects per hash bucket = very very bad. However if I turn the two arrays into a number in base 52 I...
Is iterating ConcurrentHashMap values thread safe?
In javadoc for ConcurrentHashMap is the following:
5 Answers
5
...
Set default CRAN mirror permanent in R
How can I set a specific CRAN mirror permanently in R?
1 Answer
1
...