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Method has the same erasure as another method in type
... uses type erasure. The bit in the angle brackets (<Integer> and <String>) gets removed, so you'd end up with two methods that have an identical signature (the add(Set) you see in the error). That's not allowed because the runtime wouldn't know which to use for each case.
If Java ever g...
Aligning textviews on the left and right edges in Android layout
I am getting started with Android. I am having trouble getting a simple layout going.
9 Answers
...
How to detect a Christmas Tree? [closed]
... threshold.process(tree.clone(), tree);
}
}
public static void main(String[] args) {
new ChristmasTree();
}
}
In the second step, the brightest points in the image are dilated in order to form shapes. The result of this process is the probable shape of the objects with significant brigh...
How to find if an array contains a specific string in JavaScript/jQuery? [duplicate]
...you're looking for? Browse other questions tagged javascript jquery arrays string or ask your own question.
Building big, immutable objects without using constructors having long parameter lists
...method on a case class. Here's some example code:
case class Person(name: String, age: Int, children: List[Person] = List()) {
def addChild(p: Person) = copy(children = p :: this.children)
}
val parent = Person(name = "Bob", age = 55)
.addChild(Person("Lisa", 23))
.addChild(Person("Peter", 1...
Writing Unicode text to a text file?
...you first get them and encoding them as necessary on the way out.
If your string is actually a unicode object, you'll need to convert it to a unicode-encoded string object before writing it to a file:
foo = u'Δ, Й, ק, م, ๗, あ, 叶, 葉, and 말.'
f = open('test', 'w')
f.write(foo.encod...
stdlib and colored output in C
...
Because you can't print a character with string formating. You can also think of adding a format with something like this
#define PRINTC(c,f,s) printf ("\033[%dm" f "\033[0m", 30 + c, s)
f is format as in printf
PRINTC (4, "%s\n", "bar")
will print blue bar
P...
How to find if div with specific id exists in jQuery?
... to an element on click. The function gets the text of the clicked element and assigns it to a variable called name . That variable is then used as the <div> id of the appended element.
...
Change / Add syntax highlighting for a language in Sublime 2/3
... this in JavaScript:
<dict>
<key>name</key>
<string>Lang Variable</string>
<key>scope</key>
<string>variable.language</string>
<key>settings</key>
<dict>
<key>foreground</key>
...
INSERT IF NOT EXISTS ELSE UPDATE?
... the ID column: In the replacement case the statement would set it to NULL and then a fresh ID would be allocated.
This approach can also be used if you want to leave particular field values alone if the row in the replacement case but set the field to NULL in the insert case.
For example, assumin...