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Why would iterating over a List be faster than indexing through it?
...l, which is O(N).
Now, going to the other implementation of List which is ArrayList, that one is backed by a simple array. In that case both of the above traversals are equivalent, since an array is contiguous so it allows random jumps to arbitrary positions.
...
How to find a min/max with Ruby
...ncludes Enumerable will have those methods available.
v2.4 introduces own Array#min and Array#max, which are way faster than Enumerable's methods because they skip calling #each.
@nicholasklick mentions another option, Enumerable#minmax, but this time returning an array of [min, max].
[4, 5, 7, 1...
How to send and retrieve parameters using $state.go toParams and $stateParams?
...as a URL parameter, then that parameter needs to be included in the params array.
– ivarni
Jul 28 '14 at 11:02
5
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How do I check that a number is float or integer?
...ing, a string representing an integral number, true, false, null, an empty array, an array containing a single integral number, an array containing a string representing an integral number, and maybe more.
– Dagg Nabbit
Oct 8 '10 at 16:53
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Traits in PHP – any real world examples/best practices? [closed]
...$date1 > $date2 ? -1 : 1 );
}
}
class Product {
public $data = array();
use SortStrategy;
public function get() {
// do something to get the data, for this ex. I just included an array
$this->data = array(
101222 => array('label' => 'Awesome...
How to get innerHTML of DOMNode?
...ctional programming style:
function innerHTML($node) {
return implode(array_map([$node->ownerDocument,"saveHTML"],
iterator_to_array($node->childNodes)));
}
share
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How to calculate a logistic sigmoid function in Python?
...
Using math.exp with numpy array can yield some errors, like: TypeError: only length-1 arrays can be converted to Python scalars. To avoid it you should use numpy.exp.
– ViniciusArruda
Nov 23 '17 at 13:41
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Send a file via HTTP POST with C#
...new StreamContent(paramFileStream);
HttpContent bytesContent = new ByteArrayContent(paramFileBytes);
using (var client = new HttpClient())
using (var formData = new MultipartFormDataContent())
{
formData.Add(stringContent, "param1", "param1");
formData.Add(fileStreamC...
Examples of Algorithms which has O(1), O(n log n) and O(log n) complexities
...ty as given in the question, here is a small list -
O(1) time
Accessing Array Index (int a = ARR[5];)
Inserting a node in Linked List
Pushing and Poping on Stack
Insertion and Removal from Queue
Finding out the parent or left/right child of a node in a tree stored in Array
Jumping to Next/Previou...
Selecting multiple columns in a pandas dataframe
...also get columns. For example, df.ix[0:2, 0:2] gets the upper left 2x2 sub-array just like it does for a NumPy matrix (depending on your column names of course). You can even use the slice syntax on string names of the columns, like df.ix[0, 'Col1':'Col5']. That gets all columns that happen to be or...