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你不得不知道的6个用好大数据的秘诀 - 资讯 - 清泛网 - 专注C/C++及内核技术
...方法也比以前更先进方便。公司已经完全有能力去分析和处理他们收集到的大量数据，这对于企业来说或许是件好事，然而，有时候这些数据也会过于分散。
Globys公司的Olly Down表示说，现在，很多公司都倾向于收集精度较高的...
JSONP with ASP.NET Web API
... work, and now I am trying to consume it using JQuery. I can get back the JSON string using Fiddler, and it seems to be ok, but because the service exists on a separate site, trying to call it with JQuery errors with the "Not Allowed". So, this is clearly a case where I need to use JSONP.
...
How do you turn a Mongoose document into a plain object?
I have a document from a mongoose find that I want to extend before JSON encoding and sending out as a response. If I try adding properties to the doc it is ignored. The properties don't appear in Object.getOwnPropertyNames(doc) making a normal extend not possible. The strange thing is that JSON....
Get user info via Google API
...t the information from - https://www.googleapis.com/oauth2/v1/userinfo?alt=json
It has loads of stuff - including name, public profile url, gender, photo etc.
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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 ...
libevent对比libev的基准测试 - C/C++ - 清泛网 - 专注C/C++及内核技术
...器、挂钟定时器、信号、子状态变化、空闲、检查和准备处理程序） .
它使用优先级队列来管理计时器并使用数组作为基本数据结构。它对等待同一事件的观察者数量没有人为限制。它为 libevent 和可选的相同 DNS、HTTP 和缓冲区...