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PHP function to build query string from array
...m looking for the name of the PHP function to build a query string from an array of key value pairs. Please note, I am looking for the built in PHP function to do this, not a homebrew one (that's all a google search seems to return). There is one, I just can't remember its name or find it on php.n...
PHP array: count or sizeof?
To find the number of elements in a PHP $array , which is faster/better/stronger?
7 Answers
...
Concatenate two slices in Go
... to say it has a copy of the light-weight reference to the same underlying array, len and cap. If the foo function alters a member, the change will be seen on the original. Here's a demo. So the only real overhead will be that it creates a new slice if you didn't have one already, like: foo(1, 2, 3,...
How to access array elements in a Django template?
I am getting an array arr passed to my Django template. I want to access individual elements of the array in the array (e.g. arr[0] , arr[1] ) etc. instead of looping through the whole array.
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Is there a performance impact when calling ToList()?
...lt;T> collection) constructor. This constructor must make a copy of the array (more generally IEnumerable<T>), otherwise future modifications of the original array will change on the source T[] also which wouldn't be desirable generally.
I would like to reiterate this will only make a dif...
How do you implement a Stack and a Queue in JavaScript?
...
Javascript has push and pop methods, which operate on ordinary Javascript array objects.
For queues, look here:
http://safalra.com/web-design/javascript/queues/
Queues can be implemented in
JavaScript using either the push and
shift methods or unshift and pop
methods of the array object. Although
...
Calling dynamic function with dynamic number of parameters [duplicate]
...od of a function:-
function mainfunc (func){
window[func].apply(null, Array.prototype.slice.call(arguments, 1));
}
Edit: It occurs to me that this would be much more useful with a slight tweak:-
function mainfunc (func){
this[func].apply(this, Array.prototype.slice.call(arguments, 1));...
Java 8 Stream and operation on arrays
...om Python, I was wondering if there was now a neat way to do operations on arrays like summing, multiplying two arrays in a "one line pythonic" way ?
...
Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?
...Now to test this theory there are couple things you can do:
Allocate your array matice2 array like this matice2 [razmor, 4096], and run with razmor = 1024, 1025 or any size, and you should see very bad performance compared to what you had before. This is because you forcefully align all columns to ...
Can anyone explain IEnumerable and IEnumerator to me? [closed]
... keyword named foreach that allows you to
iterate over the contents of any array type:
// Iterate over an array of items.
int[] myArrayOfInts = {10, 20, 30, 40};
foreach(int i in myArrayOfInts)
{
Console.WriteLine(i);
}
While it might seem that only array types can make use of this construct, ...