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What is the Ruby (spaceship) operator?
...if a and b are not comparable then return nil
It's useful for sorting an array.
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Sort array by firstname (alphabetically) in Javascript
I got an array (see below for one object in the array) that I need to sort by firstname using JavaScript.
How can I do it?
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How to remove array element in mongodb?
Here is array structure
5 Answers
5
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Android List Preferences: have summary as selected value?
...tle="A list of preferences"
android:summary="%s"
android:entries="@array/pref_list_entries"
android:entryValues="@array/pref_list_entries_values"
android:defaultValue="0" />
Android will replace %s with the current string value of the preference, as displayed by the ListPreferen...
How to convert an object to a byte array in C#
...
To convert an object to a byte array:
// Convert an object to a byte array
public static byte[] ObjectToByteArray(Object obj)
{
BinaryFormatter bf = new BinaryFormatter();
using (var ms = new MemoryStream())
{
bf.Serialize(ms, obj);
...
How to initialize a two-dimensional array in Python?
... about [foo] * 10: This means that this wouldn't work if you're filling an array with random numbers (evaluates [random.randint(1,2)] * 10 to [1] * 10 or [2] * 10 which means that you get an array of all 1s or 2s, instead of a random array.
– Tzu Li
Jun 6 '19 a...
What's the best way to put a c-struct in an NSArray?
What's the usual way to store c-structures in an NSArray ? Advantages, disadvantages, memory handling?
11 Answers
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What is the minimum valid JSON?
...escribes (at the start of "2") a JSON text as being a serialized object or array.
This means that only {} and [] are valid, complete JSON strings in parsers and stringifiers which adhere to that standard.
However, the introduction of ECMA-404 changes that, and the updated advice can be read here. I'...
Differences between lodash and underscore [closed]
...Lo-Dash to provide more consistent cross-environment iteration support for arrays, strings, objects, and arguments objects1. It has since become a superset of Underscore, providing more consistent API behavior, more features (like AMD support, deep clone, and deep merge), more thorough documentation...
How to validate an Email in PHP?
... why I made an solution for it:
function valid_email($email)
{
if(is_array($email) || is_numeric($email) || is_bool($email) || is_float($email) || is_file($email) || is_dir($email) || is_int($email))
return false;
else
{
$email=trim(strtolower($email));
if(filte...