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What is the advantage to using bloom filters?
...is that you can have only one filter (you check whether the combination of user_id + article_id is there)
bitcoin uses bloom filter for wallet synchronization
Akamai's web servers use Bloom filters to prevent "one-hit-wonders" from being stored in its disk caches. One-hit-wonders are web objects req...
Why are only a few video games written in Java? [closed]
...since then. Comparing cellphone gaming vs PC gaming is comparing apples to oranges.
– Chris Dail
Jun 23 '09 at 19:31
78
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How to get a DOM Element from a JQuery Selector
...
You can access the raw DOM element with:
$("table").get(0);
or more simply:
$("table")[0];
There isn't actually a lot you need this for however (in my experience). Take your checkbox example:
$(":checkbox").click(function() {
if ($(thi...
Understanding REST: Verbs, error codes, and authentication
...e resource is "the user". You would need a PUT to http://example.com/users/USER_ID with the old and new passwords in the body. You are acting on "the user" resource, and a change password is simply an update request. It's quite similar to the UPDATE statement in a relational database.
My instinc...
Converting between strings and ArrayBuffers
...ticle.
Excerpt:
The Encoding API makes it simple to translate between raw bytes and native JavaScript strings, regardless of which of the many standard encodings you need to work with.
<pre id="results"></pre>
<script>
if ('TextDecoder' in window) {
// The local files...
How does the Java 'for each' loop work?
...for each is also valid for arrays. e.g.
String[] fruits = new String[] { "Orange", "Apple", "Pear", "Strawberry" };
for (String fruit : fruits) {
// fruit is an element of the `fruits` array.
}
which is essentially equivalent of
for (int i = 0; i < fruits.length; i++) {
String fruit ...
Best architectural approaches for building iOS networking applications (REST clients)
... or build your own lightweight object mapping/persistence layer, based on raw SQLite or LevelDB. Also I advice you to familiarize yourself with the Domain Driven Design and CQRS.
At first, I think, we should create another layer for networking, because we don't want fat controllers or heavy, overwh...
When are you truly forced to use UUID as part of the design?
... @Chamnap I wrote UUIDTools. UUIDs can be converted to an integer or their raw byte form, and would be substantially smaller as a binary.
– Bob Aman
Jun 10 '12 at 14:21
1
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How are parameters sent in an HTTP POST request?
...iables are stored as key-value pairs in the body.
You can see this in the raw content of an HTTP Post, shown below:
POST /path/script.cgi HTTP/1.0
From: frog@jmarshall.com
User-Agent: HTTPTool/1.0
Content-Type: application/x-www-form-urlencoded
Content-Length: 32
home=Cosby&favorite+flavor=fl...
Difference between array_map, array_walk and array_filter
... of the former array, as follows:
<?php
$array = array(1, "apples",2, "oranges",3, "plums");
$filtered = array_filter( $array, "ctype_alpha");
var_dump($filtered);
?>
live code here
All numeric values are filtered out of $array, leaving $filtered with only types of fruit.
array_map() als...