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How to take a screenshot programmatically on iOS
...LScreenshot {
NSInteger myDataLength = 320 * 480 * 4;
// allocate array and read pixels into it.
GLubyte *buffer = (GLubyte *) malloc(myDataLength);
glReadPixels(0, 0, 320, 480, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
// gl renders "upside down" so swap top to bottom into new array...
How to obtain the query string from the current URL with JavaScript?
... if (Object.prototype.toString.call(map[i]) !== "[object Array]") {
map[i] = [map[i]];
}
map[i].push(source);
}
// Save New Key
else {
map[i] = sour...
Is there any advantage of using map over unordered_map in case of trivial keys?
... pointers, and memory for each object. Contrarily, unordered_map has a big array (these can get quite big in some implementations), and then additional memory for each object. If you need to be memory-aware, map should prove better, because it lacks the large array.
So, if you need pure lookup-retr...
Laravel Controller Subfolder routing
...e::get('/', 'Home\HomeController@index');
// admin/test
Route::group(
array('prefix' => 'admin'),
function() {
Route::get('test', 'Admin\IndexController@index');
}
);
?>
3.write sth in app/controllers/admin/IndexController.php, eg:
<?php
namespace Admin;
class Inde...
Get keys from HashMap in Java
...
If you want to store all keys in array list : List<String> keys = new ArrayList<>(mLoginMap.keySet());
– Pratik Butani
Dec 24 '18 at 6:42
...
How to get names of enum entries?
...to query through keys and values and only return values:
let optionNames: Array<any> = [];
for (let enumValue in Option) {
let optionNameLength = optionNames.length;
if (optionNameLength === 0) {
this.optionNames.push([enumValue, Option[enumValue]]);
} else {
...
jQuery removeClass wildcard
...cript):
$('#hello').removeClassRegex(/^color-/)
Note that I'm using the Array.filter function which doesn't exist in IE<9. You could use Underscore's filter function instead or Google for a polyfill like this WTFPL one.
...
Java ArrayList how to add elements at the beginning
I need to add elements to an ArrayList queue whatever, but when I call the function to add an element, I want it to add the element at the beginning of the array (so it has the lowest index) and if the array has 10 elements adding a new results in deleting the oldest element (the one with the high...
Remove querystring from URL
...
Bob - good catch. Actually it returns an array of matches - an Array of strings in this case. So testURL.match(new RegExp("[^?]+"))[0] does it
– plodder
Mar 29 '10 at 23:10
...
Creating an instance using the class name and calling constructor
...rgs method (just as GetConstructor()), there's no need for explicit Object-array creation.
– Joachim Sauer
May 23 '11 at 8:28
...