大约有 21,000 项符合查询结果（耗时：0.0430秒） [XML]
CSS center text (horizontally and vertically) inside a div block
...://pmob.co.uk/. Look for "vertical align".
Since they tend to be hacks or adding complicated divs... I usually use a table with a single cell to do it... to make it as simple as possible.
Update for 2020:
Unless you need make it work on earlier browsers such as Internet Explorer 10, you can use...
How to find children of nodes using BeautifulSoup
...
Ahsan Roy
24511 gold badge22 silver badges1414 bronze badges
answered Jun 9 '11 at 2:51
cerberoscerberos
...
Alternatives to dispatch_get_current_queue() for completion blocks in iOS 6?
....
** EDIT **
Catfish_Man put an example in the comments below, I'm just adding it to his answer.
- (void) aMethodWithCompletionBlock:(dispatch_block_t)completionHandler
{
dispatch_async(self.workQueue, ^{
[self doSomeWork];
dispatch_async(self.callbackQueue, completio...
Insert line break inside placeholder attribute of a textarea?
...
What you could do is add the text as value, which respects the line break \n.
$('textarea').attr('value', 'This is a line \nthis should be a new line');
Then you could remove it on focus and apply it back (if empty) on blur. Something like th...
Round to at most 2 decimal places (only if necessary)
...
Mike
50955 silver badges1717 bronze badges
answered Aug 6 '12 at 17:20
Brian UstasBrian Ustas
45k...
Can't operator == be applied to generic types in C#?
... x, T y) where T : class
{
return x == y;
}
Follow up to additional question, "But, in case I'm using a reference type, would the the == operator use the predefined reference comparison, or would it use the overloaded version of the operator if a type defined one?"
I would have th...
CSS hexadecimal RGBA?
...
The CSS Color Module Level 4 will probably support 4 and 8-digit hexadecimal RGBA notation!
Three weeks ago (18th of December 2014) the CSS Color Module Level 4 editor's draft was submitted to the CSS W3C Working Group. Though in a state which is heavily susceptible to change, the current v...
LINQ to Entities does not recognize the method
... StriplingWarriorStriplingWarrior
131k2323 gold badges216216 silver badges275275 bronze badges
...
Difference between framework vs Library vs IDE vs API vs SDK vs Toolkits? [closed]
...IDE is an integrated development environment - a suped-up text editor with additional support for developing (such as forms designers, resource editors, etc), compiling and debugging applications. e.g Eclipse, Visual Studio.
A Library is a chunk of code that you can call from your own code, to help...
Execute SQLite script
...s to do this, one way is:
sqlite3 auction.db
Followed by:
sqlite> .read create.sql
In general, the SQLite project has really fantastic documentation! I know we often reach for Google before the docs, but in SQLite's case, the docs really are technical writing at its best. It's clean, clear, a...