大约有 40,000 项符合查询结果(耗时:0.0245秒) [XML]
Difference between a user and a schema in Oracle?
...Tom
You should consider a schema to be the user account and collection of all objects therein
as a schema for all intents and purposes.
SCOTT is a schema that includes the EMP, DEPT and BONUS tables with various grants, and
other stuff.
SYS is a schema that includes tons of tables, views, grant...
What is the list of valid @SuppressWarnings warning names in Java?
...pends on your IDE or compiler.
Here is a list for Eclipse Galileo:
all to suppress all warnings
boxing to suppress warnings relative to boxing/unboxing operations
cast to suppress warnings relative to cast operations
dep-ann to suppress warnings relative to deprecated annotation
depr...
How to reference a method in javadoc?
...Method in the same class:
/** See also {@link #myMethod(String)}. */
void foo() { ... }
Method in a different class, either in the same package or imported:
/** See also {@link MyOtherClass#myMethod(String)}. */
void foo() { ... }
Method in a different package and not imported:
/** See also {@l...
Remove json element
...
Where's foo in the test data? Well, the first line is actually pseudocode. Instead of json = {...}, it would be something like json = {foo: 'value'}
– aharris88
Mar 20 '14 at 23:38
...
How do I get the last inserted ID of a MySQL table in PHP?
...s the last id inserted in the current connection
mysql_query('INSERT INTO FOO(a) VALUES(\'b\')');
$id = mysql_insert_id();
plus using max is a bad idea because it could lead to problems if your code is used at same time in two different sessions.
That function is called mysql_insert_id
...
Rails where condition using NOT NIL
...
The canonical way to do this with Rails 3:
Foo.includes(:bar).where("bars.id IS NOT NULL")
ActiveRecord 4.0 and above adds where.not so you can do this:
Foo.includes(:bar).where.not('bars.id' => nil)
Foo.includes(:bar).where.not(bars: { id: nil })
When working...
How to add display:inline-block in a jQuery show() function?
...
I would take it a step further and take care of all the hiding/showing using CSS classes, not jQuery. $('.tab-content').addClass('hidden'); (...) $('#' + id).removeClass('hidden'); In the CSS: .hidden { display: none !important }
– Joe Maffei
...
ReadOnlyCollection or IEnumerable for exposing member collections?
...pe to be an immutable collection, and then expose that directly - assuming Foo itself is immutable, of course.
Updated answer to address the question more directly
Is there any reason to expose an internal collection as a ReadOnlyCollection rather than an IEnumerable if the calling code only it...
Why does the C# compiler not fault code where a static method calls an instance method?
The following code has a static method, Foo() , calling an instance method, Bar() :
3 Answers
...
jQuery's .click - pass parameters to user function
... the following example:
function myHandler( event ) {
alert( event.data.foo );
}
$( "p" ).on( "click", { foo: "bar" }, myHandler );
share
|
improve this answer
|
follow
...
