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What is SuppressWarnings (“unchecked”) in Java?
... that don't store a value.
private static final Optional<?> EMPTY = new Optional<>();
public static<T> Optional<T> empty() {
@SuppressWarnings("unchecked")
Optional<T> t = (Optional<T>) EMPTY;
return t;
}
This cast is safe, as the value stored in an...
Difference between File.separator and slash in paths
...
In such a country you would make use of the new org.apache.chicken.elevators.OperatorUtility class, which embeds all this craziness for your convenience.
– Brain
Jun 11 '15 at 12:31
...
Converting ISO 8601-compliant String to java.util.Date
...
The way that is blessed by Java 7 documentation:
DateFormat df1 = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ");
String string1 = "2001-07-04T12:08:56.235-0700";
Date result1 = df1.parse(string1);
DateFormat df2 = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSXXX");
String string2 = ...
Which selector do I need to select an option by its text?
...would suffice. Or do you expect of him to retest all his answers for every new release of jQuery?
– WynandB
Nov 14 '13 at 23:51
...
Include intermediary (through model) in responses in Django Rest Framework
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f17256724%2finclude-intermediary-through-model-in-responses-in-django-rest-framework%23new-answer', 'question_page');
}
);
...
Routing with Multiple Parameters using ASP.NET MVC
...ction}/{id}", // URL with parameters
new { controller = "Home", action = "Index", id = "" } // Parameter defaults
);
If you wanted to support a url like
/Artist/GetImages/cher/api-key
you could add a route like:
routes.MapRoute(
"Arti...
java.lang.NoClassDefFoundError: Could not initialize class XXX
...he logs or try to log it more appropriately (like force the logging into a new file on the file system)
– John Vint
Aug 9 '16 at 12:08
...
Is there a way to access an iteration-counter in Java's for-each loop?
...gt; Iterable<Index<T>> index(final T[] array) {
return new Iterable<Index<T>>() {
public Iterator<Index<T>> iterator() {
return new Iterator<Index<T>>() {
index = 0;
public boo...
Drawing an image from a data URL to a canvas
... by setting the src of the image to your data URL. For example:
var img = new Image;
img.src = strDataURI;
The drawImage() method of HTML5 Canvas Context lets you copy all or a portion of an image (or canvas, or video) onto a canvas.
You might use it like so:
var myCanvas = document.getElementB...
Is there a destructor for Java?
...t the try-with-resources statement. For example:
try (BufferedReader br = new BufferedReader(new FileReader(path))) {
System.out.println(br.readLine());
} catch (Exception e) {
...
} finally {
...
}
Here the resource that is no longer needed is freed in the BufferedReader.close() method. Yo...