大约有 47,000 项符合查询结果(耗时:0.0744秒) [XML]
Can you get the column names from a SqlDataReader?
After connecting to the database, can I get the name of all the columns that were returned in my SqlDataReader ?
9 Answers...
How can I tell if a DOM element is visible in the current viewport?
Is there an efficient way to tell if a DOM element (in an HTML document) is currently visible (appears in the viewport )?
...
How to quit android application programmatically
I Found some codes for quit an Android application programatically. By calling any one of the following code in onDestroy() will it quit application entirely?
...
How do I pass an extra parameter to the callback function in Javascript .filter() method?
I want to compare each string in an Array with a given string. My current implementation is:
8 Answers
...
Listing all permutations of a string/integer
A common task in programming interviews (not from my experience of interviews though) is to take a string or an integer and list every possible permutation.
...
“FOUNDATION_EXPORT” vs “extern”
I would like to ask what's the reason behind using FOUNDATION_EXPORT instead of extern in Objective C projects.
1 Ans...
How to hide databases that I am not allowed to access
When I connect to my Heroku - Postgresql database via pgAdmin3 , It lists all the tables (about 2600). Every time I open the pgAdmin3 I have to find my own database.
...
Why does CSS not support negative padding?
I have seen this many a times that the prospect of a negative padding might help the development of CSS of certain page elements become better and easier. Yet, there is no provision for a negative padding in the W3C CSS. What is the reason behind this? Is there any obstruction to the property that p...
In Xcode, how to suppress all warnings in specific source files?
In my application I use 3rd party code that triggers some warnings. I reviewed them and they can be safely ignored.
3 Answe...
UIBarButtonItem with custom image and no border
I want to create a UIBarButtonItem with a custom image, but I don't want the border that iPhone adds, as my Image has a special border.
...
