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Why charset names are not constants?
... included a utility in the same class
public static String stringFromByteArray (
final byte[] array,
final Charset charset
)
{
try
{
return new String( array, charset.name( ) )
}
catch ( UnsupportedEncodingException ex )
{
// cannot happen
}
}
Why ...
What arguments are passed into AsyncTask?
...in a different thread from the main one. Here we have as an input value an array of objects from the type “X” (Do you see in the header? We have “...extends AsyncTask” These are the TYPES of the input parameters) and returns an object from the type “Z”.
protected void onProgressUpdat...
What is the difference between ? and Object in Java generics?
... in fact a subtype of Object[], that's one of the reasons why generics and arrays don't mix well. (arrays in Java are covariant, generics are not, they are invariant)).
Sample:
If you'd like to write a method that accepts Lists of InputStreams and subtypes of InputStream, you'd write
public void f...
Pass a JavaScript function as parameter
...ou could also use the apply function and have a third parameter that is an array of the arguments, like such:
function eat(food1, food2)
{
alert("I like to eat " + food1 + " and " + food2 );
}
function myFunc(callback, args)
{
//do stuff
//...
//execute callback when finished
ca...
Can someone explain how to implement the jQuery File Upload plugin?
...e is the PHP code sample to process the data:
if($_POST) {
$allowed = array('jpg', 'jpeg');
if(isset($_FILES['uploadctl']) && $_FILES['uploadctl']['error'] == 0){
$extension = pathinfo($_FILES['uploadctl']['name'], PATHINFO_EXTENSION);
if(!in_array(strtolower($ext...
How to get multiple selected values of select box in php?
...
If you want PHP to treat $_GET['select2'] as an array of options just add square brackets to the name of the select element like this: <select name="select2[]" multiple …
Then you can acces the array in your PHP script
<?php
header("Content-Type: text/plain");
f...
How can I add a PHP page to WordPress?
...t_id);
$descr = $post->post_excerpt;
// og:image
$img_data_array = get_attached_media('image', $post_id);
$img_src = null;
$img_count = 0;
foreach ( $img_data_array as $img_data ) {
if ( $img_count > 0 ) {
break;
} else {
++$img...
Pagination on a list using ng-repeat
...column headings dynamic i.e. get all unique key values from the items json array and bind that to an ng-repeat instead of hard coding the values. Something like what I did here: jsfiddle.net/gavinfoley/t39ZP
– GFoley83
Mar 18 '13 at 10:24
...
Center/Set Zoom of Map to cover all visible Markers?
...
You need to use the fitBounds() method.
var markers = [];//some array
var bounds = new google.maps.LatLngBounds();
for (var i = 0; i < markers.length; i++) {
bounds.extend(markers[i]);
}
map.fitBounds(bounds);
Documentation from developers.google.com/maps/documentation/javascript...
What does the ^ operator do in Java?
...a lot of programming tricks like
XORing of all the elements in a boolean array would tell you if the array has odd number of true elements
If you have an array with all numbers repeating even number of times except one which repeats odd number of times you can find that by XORing all elements.
Swa...