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Python append() vs. + operator on lists, why do these give different results?
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To explain "why":
The + operation adds the array elements to the original array. The array.append operation inserts the array (or any object) into the end of the original array, which results in a reference to self in that spot (hence the infinite recursion).
The diff...
How to convert byte array to string [duplicate]
I created a byte array with two strings. How do I convert a byte array to string?
4 Answers
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Get loop counter/index using for…of syntax in JavaScript
...cified order (yes, even after ES6). You shouldn’t use it to iterate over arrays. For them, there’s ES5’s forEach method that passes both the value and the index to the function you give it:
var myArray = [123, 15, 187, 32];
myArray.forEach(function (value, i) {
console.log('%d: %s', i, v...
How to check if an array field contains a unique value or another array in MongoDB?
...ee that they mention that the field you are using as your search can be an array, and how that is handled. "field : { $in : array }". What happens when you search for an array within an array of arrays? Not specified.
– Zut
Aug 14 '12 at 21:13
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how to get the cookies from a php curl into a variable
...reg_match_all('/^Set-Cookie:\s*([^;]*)/mi', $result, $matches);
$cookies = array();
foreach($matches[1] as $item) {
parse_str($item, $cookie);
$cookies = array_merge($cookies, $cookie);
}
var_dump($cookies);
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Detect Browser Language in PHP
...T_LANGUAGE'], 0, 2);
$acceptLang = ['fr', 'it', 'en'];
$lang = in_array($lang, $acceptLang) ? $lang : 'en';
require_once "index_{$lang}.php";
?>
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With arrays, why is it the case that a[5] == 5[a]?
...C Programming Language (aka: K & R), there is mention of this property of arrays in C: a[5] == 5[a]
17 Answers
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surface plots in matplotlib
...nt than a list of 3-tuples, you should pass in a grid for the domain in 2d arrays.
If all you have is a list of 3d points, rather than some function f(x, y) -> z, then you will have a problem because there are multiple ways to triangulate that 3d point cloud into a surface.
Here's a smooth s...
Populating spinner directly in the layout xml
...of a Spinner right in the layout xml? This page suggests I should use an ArrayAdapter? It seems awkward not being able to do it..
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Exploitable PHP functions
...nFunction($_GET['func_name']); $func->invoke(); or $func->invokeArgs(array());
List of functions which accept callbacks
These functions accept a string parameter which could be used to call a function of the attacker's choice. Depending on the function the attacker may or may not have the ...