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When should I use nil and NULL in Objective-C?
...s a singleton object used to represent null values in collection objects(NSArray, NSDictionary). The [NSNull null] will returns the singleton instance of NSNull. Basically [NSNull null] is a proper object.
There is no way to insert a nil object into a collection type object. Let's have an example:
...
Remove a HTML tag but keep the innerHtml
...ap(selector) {
var nodelist = document.querySelectorAll(selector);
Array.prototype.forEach.call(nodelist, function(item,i){
item.outerHTML = item.innerHTML; // or item.innerText if you want to remove all inner html tags
})
}
unwrap('b')
This should work in all major browser i...
Non-recursive depth first search algorithm
...ibling # ... and right
Note that if the child nodes are stored as an array rather than through sibling pointers, the next sibling can be found as:
def next_sibling(node):
try:
i = node.parent.child_nodes.index(node)
return node.parent.child_nodes[i+1]
except (IndexE...
What are the key differences between Scala and Groovy? [closed]
...an instance of java.util.List, whereas Scala uses both Lists and primitive arrays. Groovy has (I think) better string interpolation.
Scala is faster, it seems, but the Groovy folks are really pushing performance for the 2.0 release. 1.6 gave a huge leap in speed over the 1.5 series.
I don't thin...
Add disabled attribute to input element using Javascript
...hough it is a bit redundant. If you're going to be dealing with a NodeList/array of elements it's silly to select them by the index like that. Iteration or simply selecting only the element you need makes more sense.
– user1596138
Dec 6 '13 at 19:02
...
How to read multiple text files into a single RDD?
... of S3 Paths :
import scala.collection.JavaConverters._
import java.util.ArrayList
import com.amazonaws.services.s3.AmazonS3Client
import com.amazonaws.services.s3.model.ObjectListing
import com.amazonaws.services.s3.model.S3ObjectSummary
import com.amazonaws.services.s3.model.ListObjectsRequest
...
How to secure database passwords in PHP?
... edited Nov 7 '11 at 19:51
Farray
7,09633 gold badges2929 silver badges3636 bronze badges
answered Sep 18 '08 at 23:32
...
What does it mean if a Python object is “subscriptable” or not?
...d in a program, alone or with others, to specify one of the elements of an array."
Now, in the simple example given by @user2194711 we can see that the appending element is not able to be a part of the list because of two reasons:-
1) We are not really calling the method append; because it needs ...
How to optimize for-comprehensions and loops in Scala?
...scope. Or better, intern them like Strings literals in Java.
footnote:
Arrays were about the same as Range, but interestingly, pimping a new forall method (shown below) resulted in 24% faster execution on 64-bit, and 8% faster on 32-bit. When I reduced the calculation size by reducing the number...
How to Truncate a string in PHP to the word closest to a certain number of characters?
... if ($length > $your_desired_width) { break; }
}
return implode(array_slice($parts, 0, $last_part));
}
Also, here is the PHPUnit testclass used to test the implementation:
class TokenTruncateTest extends PHPUnit_Framework_TestCase {
public function testBasic() {
$this->assertE...