大约有 46,000 项符合查询结果(耗时:0.0654秒) [XML]
Remove empty array elements
Some elements in my array are empty strings based on what the user has submitted. I need to remove those elements. I have this:
...
When and why to 'return false' in JavaScript?
...
Often, in event handlers, such as onsubmit, returning false is a way to tell the event to not actually fire. So, say, in the onsubmit case, this would mean that the form is not submitted.
s...
UITableViewCell subview disappears when cell is selected
...the product). The user can also select other options (like hard drive capacity, ...).
20 Answers
...
UITableViewCell with UITextView height in iOS 7?
How can I calculate the height of an UITableViewCell with an UITextView in it in iOS 7?
12 Answers
...
How to list the tables in a SQLite database file that was opened with ATTACH?
What SQL can be used to list the tables, and the rows within those tables in an SQLite database file - once I have attached it with the ATTACH command on the SQLite 3 command line tool?
...
Get specific object by id from array of objects in AngularJS
...ve a JSON file containing some data I d like to access on my AngularJS website. Now what I want is to get only one object from the array. So I d like for example Item with id 1.
...
Why does struct alignment depend on whether a field type is primitive or user-defined?
...any) structs of Noda Time, which has in turn led me to uncover a slight oddity in the CLR's alignment decision.
4 Answers
...
How to initialize static variables
...
PHP can't parse non-trivial expressions in initializers.
I prefer to work around this by adding code right after definition of the class:
class Foo {
static $bar;
}
Foo::$bar = array(…);
or
class Foo {
private static $bar;
static function init()
{
sel...
In an array of objects, fastest way to find the index of an object whose attributes match a search
I've been surfing around a little trying to find an efficient way to do this, but have gotten nowhere. I have an array of objects that looks like this:
...
Templated check for the existence of a class member function?
Is it possible to write a template that changes behavior depending on if a certain member function is defined on a class?
2...