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What is the difference between shallow copy, deepcopy and normal assignment operation?
...l.
Here's a little demonstration:
import copy
a = [1, 2, 3]
b = [4, 5, 6]
c = [a, b]
Using normal assignment operatings to copy:
d = c
print id(c) == id(d) # True - d is the same object as c
print id(c[0]) == id(d[0]) # True - d[0] is the same object as c[0]
Using a shallow ...
How to find index of list item in Swift?
... is supported by another extension of CollectionType:
let arr2 = [1,2,3,4,5,6,7,8,9,10]
let indexOfFirstGreaterThanFive = arr2.indexOf({$0 > 5}) // 5
let indexOfFirstGreaterThanOneHundred = arr2.indexOf({$0 > 100}) // nil
Note that these two functions return optional values, as find did bef...
How do you check that a number is NaN in JavaScript?
...
590
Try this code:
isNaN(parseFloat("geoff"))
For checking whether any value is NaN, instead of...
Escaping single quote in PHP when inserting into MySQL [duplicate]
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Function mysql_real_escape_string() was deprecated in PHP 5.5.0 and was removed in PHP 7.0.0.
– Peter Mortensen
Jul 15 '19 at 14:54
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Python: List vs Dict for look up table
...rsten Marek
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6
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How do I shuffle an array in Swift?
...he elements within an array in Swift? For example, if my array consists of 52 playing cards, I want to shuffle the array in order to shuffle the deck.
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How to change letter spacing in a Textview?
...Joaquin Iurchuk
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answered Feb 27 '11 at 14:13
zrgiuzrgiu
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How do I find the stack trace in Visual Studio?
... |
edited Dec 17 '15 at 22:40
Jim Aho
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ans...
Laravel Controller Subfolder routing
...
For Laravel 5.3 above:
php artisan make:controller test/TestController
This will create the test folder if it does not exist, then creates TestController inside.
TestController will look like this:
<?php
namespace App\Http\Contr...