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What is Rack middleware?
... any of them will do. Let's create a simple web application that returns a JSON string. For this we'll create a file called config.ru. The config.ru will automatically be called by the rack gem's command rackup which will simply run the contents of the config.ru in a rack-compliant webserver. So let...
Getting visitors country from their IP
..._VALIDATE_IP) && in_array($purpose, $support)) {
$ipdat = @json_decode(file_get_contents("http://www.geoplugin.net/json.gp?ip=" . $ip));
if (@strlen(trim($ipdat->geoplugin_countryCode)) == 2) {
switch ($purpose) {
case "location":
...
jQuery pass more parameters into callback
...sh to pass.
$.post("someurl.php", someData, doSomething(extraStuff), "json");
};
What is happening?
In the last line, doSomething(extraStuff) is invoked and the result of that invocation is a function pointer.
Because extraStuff is passed as an argument to doSomething it is within scope of ...
appending array to FormData and send via AJAX
...
You have several options:
Convert it to a JSON string, then parse it in PHP (recommended)
JS
var json_arr = JSON.stringify(arr);
PHP
$arr = json_decode($_POST['arr']);
Or use @Curios's method
Sending an array via FormData.
Not recommended: Serialize the data with...
How to serialize Joda DateTime with Jackson JSON processor?
...
In the object you're mapping:
@JsonSerialize(using = CustomDateSerializer.class)
public DateTime getDate() { ... }
In CustomDateSerializer:
public class CustomDateSerializer extends JsonSerializer<DateTime> {
private static DateTimeFormatter ...
How to use System.Net.HttpClient to post a complex type?
...s included some new calls to support this functionality:
HttpClient.PostAsJsonAsync<T>(T value) sends “application/json”
HttpClient.PostAsXmlAsync<T>(T value) sends “application/xml”
So, the new code (from dunston) becomes:
Widget widget = new Widget()
widget.Name = "test"
wi...
How to check if two arrays are equal with JavaScript? [duplicate]
...ost all cases, except that null!==undefined but they both are converted to JSON representation null and considered equal:
function arraysEqual(a1,a2) {
/* WARNING: arrays must not contain {objects} or behavior may be undefined */
return JSON.stringify(a1)==JSON.stringify(a2);
}
(This migh...
php $_POST array empty upon form submission
...orm, but came here looking for answers for similar issue when POSTing with JSON content-type. Found the answer and wanted to share it as it cost me much time.
When using JSON content-type the $_POST array will not populate (only with multi-part forms I believe)
Here is what did work to correct the...
How to set request headers in rspec request spec?
...mething like this:
get '/my/path', nil, {'HTTP_ACCEPT' => "application/json"}
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How to check that an object is empty in PHP?
...t by converting it to a pure array:
$obj = simplexml_load_file($url);
// `json_decode(json_encode($obj), TRUE)` can be slow because
// you're converting to and from a JSON string.
// I don't know another simple way to do a deep conversion from object to array
$array = json_decode(json_encode($obj),...