大约有 20,000 项符合查询结果（耗时：0.0279秒） [XML]
How can I change the default width of a Twitter Bootstrap modal box?
...t.
In your own custom CSS file, you add:
body .modal {
/* new custom width */
width: 560px;
/* must be half of the width, minus scrollbar on the left (30px) */
margin-left: -280px;
}
In your case:
body .modal-admin {
/* new custom width */
width: 750px;
/* must be hal...
Does a UNIQUE constraint automatically create an INDEX on the field(s)?
...e keys are in fact B-tree type indexes.
A composite index on (email, user_id) is enough, you don't need a separate index on email only - MySQL can use leftmost parts of a composite index. There may be some border cases where the size of an index can slow down your queries, but you should not worry ...
Android: Scale a Drawable or background image?
...io) to the space allocated when the page gets created. Does anyone have an idea how to do this?
13 Answers
...
Please explain the exec() function and its family
...grams. A process is an environment in which a program executes.
The simple idea behind the UNIX "execution model" is that there are two operations you can do.
The first is to fork(), which creates a brand new process containing a duplicate (mostly) of the current program, including its state. There ...
Set keyboard caret position in html textbox
...ion of a textbox or textarea that you wish:
function setCaretPosition(elemId, caretPos) {
var elem = document.getElementById(elemId);
if(elem != null) {
if(elem.createTextRange) {
var range = elem.createTextRange();
range.move('character', caretPos);
...
Creating an Android trial application that expires after a fixed time period
I have an application which I want to hit the market as a Paid app. I would like to have other version which would be a "trial" version with a time limit of say, 5 days?
...
How to dynamically change header based on AngularJS partial view?
... uhmm... I'm not sure if placing a service straight into the $scope is considered nice in the AngularJS architecture. Maybe it could be better to put in $scope a Controller function, and then let this function query the service.
– superjos
Mar 6 '13 at 16:31
...
MySQL string replace
I have a column containing urls (id, url):
5 Answers
5
...
What is the right way to check for a null string in Objective-C?
...See Topics for Cocoa: Using Null.
So a good test might be:
if (title == (id)[NSNull null] || title.length == 0 ) title = @"Something";
Note how you can use the fact that even if title is nil, title.length will return 0/nil/false, ie 0 in this case, so you do not have to special case it. This is...
jQuery same click event for multiple elements
... edited Mar 5 '19 at 20:51
David Harkness
32.9k1010 gold badges102102 silver badges124124 bronze badges
answered Aug 21 '09 at 18:03
...