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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
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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->...
How to quickly check if folder is empty (.NET)?
...t contain any folders/files. I know, that there is a simple method. We get array of FileSystemInfo's and check if count of elements equals to zero. Something like that:
...
Fully custom validation error message with Rails
...z=>"can't be empty"}
#this returns the first element of the hash as an array like [:key,"value"]
@instance.errors.first # => [:song_rep_xyz, "can't be empty"]
#by doing the following, you are telling ruby to take just the second element of that array, which is the message.
@instance.errors.f...
pandas dataframe columns scaling with sklearn
...hod will produce the following warning:
DeprecationWarning: Passing 1d arrays as data is deprecated in 0.17
and will raise ValueError in 0.19. Reshape your data either using
X.reshape(-1, 1) if your data has a single feature or X.reshape(1, -1)
if it contains a single sample.
Converting ...