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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 ...
地图组件（高德地图） · App Inventor 2 中文网
...置的中心。
属性
自定义URL
支持XYZ格式的地图URL。XYZ格式是一种瓦片地图服务，将地图分成无数个小块，每个块对应一个特定的URL。
默认高德地图简图模式：https://wprd01.is.autonavi.com/appmaptile?x={x}&y={y}&...
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...
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 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...
How to set request headers in rspec request spec?
...mething like this:
get '/my/path', nil, {'HTTP_ACCEPT' => "application/json"}
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记录一些Mac OS X技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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修改终端的提示文字
环境变量PS1就是终端的提示文字格式，默认为“\h:\W \u\$”，可以用echo来查看：
echo $PS1
PS2则是换行后的提示符，默认为“>”。
部分可使用的格式有（完整的可以运行man bash，然后查看PROMPTING部分）...
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),...
2015年硅谷最火的高科技创业公司都有哪些 - 资讯 - 清泛网 - 专注C/C++及内核技术
...端后端会经过不同的存储或者平台，每个平台都有自己的格式，如果没有一个unified log，会出现灾难型的O(m*n)的数据对接复杂度，如果你设定的格式一旦发生变化，也是要修改所有相关的。所以这里提出的中间桥梁就是Kafka，大...