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What does (angle brackets) mean in Java?
...on't see "T" in there, you'll see another type. So if you see ArrayList<Integer> for example, that means "An ArrayList of Integers." Many classes use generics to constrain the type of the elements in a container, for example. Another example is HashMap<String, Integer>, which means "a ma...
How do I use the new computeIfAbsent function?
...k -> f(k));
}
static boolean f(String s) {
System.out.println("creating a value for \""+s+'"');
return s.isEmpty();
}
}
Then you will see the message creating a value for "snoop" exactly once as on the second invocation of computeIfAbsent there is already a value for...
Better way of getting time in milliseconds in javascript?
...ives you the current time in milliseconds.
For your jumps. If you compute interpolations correctly according to the delta frame time and you don't have some rounding number error, I bet for the garbage collector (GC).
If there is a lot of created temporary object in your loop, garbage collection h...
Autoincrement VersionCode with gradle extra properties
...ream(versionPropsFile))
def code = versionProps['VERSION_CODE'].toInteger() + 1
versionProps['VERSION_CODE']=code.toString()
versionProps.store(versionPropsFile.newWriter(), null)
defaultConfig {
versionCode code
versionName "1.1"
...
Reference — What does this symbol mean in PHP?
... This is also a Community Wiki, so everyone is invited to participate in maintaining this list.
20 Answers
...
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...