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What is this: [Ljava.lang.Object;?
...the name for Object[].class, the java.lang.Class representing the class of array of Object.
The naming scheme is documented in Class.getName():
If this class object represents a reference type that is not an array type then the binary name of the class is returned, as specified by the Java Lang...
How to sort in-place using the merge sort algorithm?
.... It downgrades the performance to O(N2).
The idea is to sort part of the array while using the rest as working area for merging.
For example like the following merge function.
void wmerge(Key* xs, int i, int m, int j, int n, int w) {
while (i < m && j < n)
swap(xs, w+...
Best way to test for a variable's existence in PHP; isset() is clearly broken
... the variable you are checking would be in the global scope you could do:
array_key_exists('v', $GLOBALS)
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How to add items to a spinner in Android?
...edInstanceState);
setContentView(R.layout.main);
String[] arraySpinner = new String[] {
"1", "2", "3", "4", "5", "6", "7"
};
Spinner s = (Spinner) findViewById(R.id.Spinner01);
ArrayAdapter<String> adapter = new ArrayAdapter<String>(th...
How to sort an array of integers correctly
Trying to get the highest and lowest value from an array that I know will contain only integers seems to be harder than I thought.
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PHP: Count a stdClass object
...
The problem is that count is intended to count the indexes in an array, not the properties on an object, (unless it's a custom object that implements the Countable interface). Try casting the object, like below, as an array and seeing if that helps.
$total = count((array)$obj);
Simply c...
Looping over arrays, printing both index and value
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You would find the array keys with "${!foo[@]}" (reference), so:
for i in "${!foo[@]}"; do
printf "%s\t%s\n" "$i" "${foo[$i]}"
done
Which means that indices will be in $i while the elements themselves have to be accessed via ${foo[$i]}
...
How to find the foreach index?
...
foreach($array as $key=>$value) {
// do stuff
}
$key is the index of each $array element
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Include CSS,javascript file in Yii Framework
...This is my example with bootstrap. You can see that here
'components'=>array(
'clientScript' => array(
'scriptMap' => array(
'jquery.js'=>false, //disable default implementation of jquery
'jquery.min.js'=>false, //desable any others default imple...
What does $.when.apply($, someArray) do?
... about Deferreds and Promises and keep coming across $.when.apply($, someArray) . I'm a little unclear on what this does exactly, looking for an explanation that one line works exactly (not the entire code snippet). Here's some context:
...