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How does a hash table work?
...orithms) deal with numbers better than with strings. So accessing a large array using an index is significantly much faster than accessing sequentially.
As Simon has mentioned which I believe to be very important is that the hashing part is to transform a large space (of arbitrary length, usually ...
How to use a filter in a controller?
...pe, $filter)
{
$filter('filtername')(arg1,arg2);
}
Where arg1 is the array you want to filter on and arg2 is the object used to filter.
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Convert JS Object to form data
...Object.keys is not the answer, as you shouldn't have to get the keys as an array, then iterate over the keys to get the values, you should be using a for..in loop.
– adeneo
May 22 '14 at 11:23
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Convert a JSON string to object in Java ME?
...placing values by name. The values can be any of these types: Boolean, JSONArray, JSONObject, Number, and String, or the JSONObject.NULL object.
JSONArray.java
A JSONArray is an ordered sequence of values. Its external form is a string wrapped in square brackets with commas between the values. The i...
What are queues in jQuery?
...d for animations. You can use them for any purpose you like. They are an array of functions stored on a per element basis, using jQuery.data(). They are First-In-First-Out (FIFO). You can add a function to the queue by calling .queue(), and you remove (by calling) the functions using .dequeue()....
Assigning variables with dynamic names in Java
...rce code1.
Depending on what you are trying to achieve, you should use an array, a List or a Map; e.g.
int n[] = new int[3];
for (int i = 0; i < 3; i++) {
n[i] = 5;
}
List<Integer> n = new ArrayList<Integer>();
for (int i = 1; i < 4; i++) {
n.add(5);
}
Map<String, In...
Meaning of acronym SSO in the context of std::string
... are variables that are created using new). However, the size of automatic arrays is fixed at compile time, but the size of arrays from the free store is not. Moreover, the stack size is limited (typically a few MiB), whereas the free store is only limited by your system's memory.
SSO is the Short ...
Is List a subclass of List? Why are Java generics not implicitly polymorphic?
...egal code - because otherwise life would be Bad
List<Dog> dogs = new ArrayList<Dog>(); // ArrayList implements List
List<Animal> animals = dogs; // Awooga awooga
animals.add(new Cat());
Dog dog = dogs.get(0); // This should be safe, right?
Suddenly you have a very confused cat.
...
Number of elements in a javascript object
...ep in mind that you'll also miss properties which aren't enumerable (eg an array's length).
If you're using a framework like jQuery, Prototype, Mootools, $whatever-the-newest-hype, check if they come with their own collections API, which might be a better solution to your problem than using native ...
Using $_POST to get select option value from HTML
...
You can access values in the $_POST array by their key. $_POST is an associative array, so to access taskOption you would use $_POST['taskOption'];.
Make sure to check if it exists in the $_POST array before proceeding though.
<form method="post" action="p...