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Sort JavaScript object by key
...that iterate over property keys do so in the same order:
First all Array indices, sorted numerically.
Then all string keys (that are not indices), in the order in which they were created.
Then all symbols, in the order in which they were created.
So yes, JavaScript objects are in fa...
Why is processing a sorted array slower than an unsorted array?
...ned why performance got lower.
To exploit performance benefits of sorted array (such as binary search), you'll have to do a little bit more coding.
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Getting the names of all files in a directory with PHP
...
You might want to wrap an array_filter(..., 'is_file') around that glob since the question asks for files.
– salathe
May 27 '10 at 18:09
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What's the difference between SortedList and SortedDictionary?
...ctionary<TKey, TValue>.
(SortedList actually maintains a sorted array, rather than using a tree. It still uses binary search to find elements.)
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What's the rationale for null terminated strings?
...emantics of strings are fully subsumed by more general rules governing all arrays, and as a result the language is simpler to describe..."
– AShelly
Nov 13 '15 at 17:41
add a ...
Convert numpy array to tuple
Note: This is asking for the reverse of the usual tuple-to-array conversion.
5 Answers
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Converting between strings and ArrayBuffers
...monly accepted technique for efficiently converting JavaScript strings to ArrayBuffers and vice-versa? Specifically, I'd like to be able to write the contents of an ArrayBuffer to localStorage and to read it back.
...
Getting raw SQL query string from PDO prepared statements
...* @param string $query The sql query with parameter placeholders
* @param array $params The array of substitution parameters
* @return string The interpolated query
*/
public static function interpolateQuery($query, $params) {
$keys = array();
# build a regular expression for each parame...
Initializing a list to a known number of elements in Python [duplicate]
... other legitimate cases than optimizations for the wish to pre-allocate an array. It could be the code that uses it doesn't add elements, just replaces existing ones, so it's more like an array than a list.
– Lasse V. Karlsen
Sep 10 '09 at 8:08
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C# Sort and OrderBy comparison
... {
var result = list.OrderBy(n => n.Name, new NameComparer()).ToArray();
}
}
On my computer when compiled in Release mode this program prints:
Sort: 1162ms
OrderBy: 1269ms
UPDATE:
As suggested by @Stefan here are the results of sorting a big list fewer times:
List<Person&g...