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Reference — What does this symbol mean in PHP?
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20 Answers
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App Inventor 2 CustomWebView 拓展：高级版Web浏览器，完美浏览现代Web前...
...umberOfMatches,isDoneCounting)
Event raised after ‘Find’ method with int ‘activeMatchOrdinal’,’numberOfMatches’ and ‘isDoneCounting’
GotCertificate(isSecure,issuedBy,issuedTo,validTill)
Event raised after getting SSL certificate of current displayed url/website with boolean ‘...
Servlet for serving static content
...XPIRE_TIME_IN_MILLIS = TimeUnit.DAYS.toMillis(30);
public static final int DEFAULT_STREAM_BUFFER_SIZE = 102400;
@Override
protected void doHead(HttpServletRequest request, HttpServletResponse response) throws ServletException ,IOException {
doRequest(request, response, true);
...
XSD - how to allow elements in any order any number of times?
...ice maxOccurs="unbounded">
<xs:element name="child1" type="xs:int" maxOccurs="unbounded"/>
<xs:element name="child2" type="xs:string" maxOccurs="unbounded"/>
</xs:choice>
</xs:complexType>
</xs:element>
...
postgresql return 0 if returned value is null
...his you can use coalesce (as suggested by Luc M).
$ create table foo (bar int);
CREATE TABLE
$ select avg(bar) from foo;
avg
-----
(1 row)
$ select coalesce(avg(bar), 0) from foo;
coalesce
----------
0
(1 row)
$ insert into foo values (3);
INSERT 0 1
$ insert into foo values (9);
IN...
PDO MySQL: Use PDO::ATTR_EMULATE_PREPARES or not?
...', 'port', 'unix_socket', 'dbname', 'charset'), null);
$dsnarr = array_intersect_key($settings, $dsndefaults);
$dsnarr += $dsndefaults;
// connection options I like
$options = array(
PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
PDO::ATTR_DEFAULT_FETCH_MODE => P...
Preventing Laravel adding multiple records to a pivot table
... The $id parameter for the method attach() is mixed, it can be an int or instance of model ;) - see github.com/laravel/framework/blob/master/src/Illuminate/…
– Rob Gordijn
Jul 5 '13 at 8:08
...
What is a semaphore?
... }
public static void OpenNightclub()
{
for (int i = 1; i <= 50; i++)
{
// Let each guest enter on an own thread.
Thread thread = new Thread(new ParameterizedThreadStart(Guest));
thread.Start(i);
...
Why can't enum's constructor access static fields?
...
}
}
Static initialization of this enum type would throw a NullPointerException because the static variable colorMap is
uninitialized when the constructors for the enum constants run. The
restriction above ensures that such code won’t compile.
Note that the example can easily be...
Why we should not use protected static in java
...oid main (String[] args) throws java.lang.Exception {
System.out.println(new Test2().getTest());
Test.test = "changed";
System.out.println(new Test2().getTest());
}
}
abstract class Test {
protected static String test = "test";
}
class Test2 extends Test {
publi...