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Make function wait until element exists
...r = new MutationObserver(function (mutations, me) {
// `mutations` is an array of mutations that occurred
// `me` is the MutationObserver instance
var canvas = document.getElementById('my-canvas');
if (canvas) {
handleCanvas(canvas);
me.disconnect(); // stop observing
return;
}...
Why should a Java class implement comparable?
... method is referred to as its natural
comparison method.
Lists (and arrays) of objects that
implement this interface can be sorted
automatically by Collections.sort (and
Arrays.sort). Objects that implement
this interface can be used as keys in
a sorted map or as elements in a
sor...
Access index of the parent ng-repeat from child ng-repeat
...p://docs.angularjs.org/api/ng.directive:ngRepeat, you can store the key or array index in the variable of your choice. (indexVar, valueVar) in values
so you can write
<div ng-repeat="(fIndex, f) in foos">
<div>
<div ng-repeat="b in foos.bars">
<a ng-click="addSomet...
Difference between List, List, List, List, and List
..., V for value and K for key. The method that compiles says that it took an array of a certain type, and returns an array of the same type.
4) You can't mix oranges and apples. You would be able to add an Object to your String list if you could pass a string list to a method that expects object list...
Parsing a comma-delimited std::string [duplicate]
...hat's the simplest way to parse out the numbers and put them in an integer array?
18 Answers
...
Maximum call stack size exceeded error
...
In my case, I was converting a large byte array into a string using the following:
String.fromCharCode.apply(null, new Uint16Array(bytes))
bytes contained several million entries, which is too big to fit on the stack.
...
angular.element vs document.getElementById or jQuery selector with spin (busy) control
...
Why is angular injecting an array here?
– Peter
Aug 31 '18 at 9:54
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Creating a UICollectionView programmatically
...ew *)collectionView numberOfItemsInSection:(NSInteger)section
{
return Array.count;
}
- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *cellIdentifier = @"YourCustomCell";
YourCustomCell *cell =...
Best way to check if a URL is valid
...url($url) {
$path = parse_url($url, PHP_URL_PATH);
$encoded_path = array_map('urlencode', explode('/', $path));
$url = str_replace($path, implode('/', $encoded_path), $url);
return filter_var($url, FILTER_VALIDATE_URL) ? true : false;
}
// example
if(!validate_url("http://somedomai...
Doing HTTP requests FROM Laravel to an external API
... instance returned.
$response->body() : string;
$response->json() : array;
$response->status() : int;
$response->ok() : bool;
$response->successful() : bool;
$response->serverError() : bool;
$response->clientError() : bool;
$response->header($header) : string;
$response->...