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How to write asynchronous functions for Node.js
...cks.
How should I implement error event handling correctly
Generally API's give you a callback with an err as the first argument. For example
database.query('something', function(err, result) {
if (err) handle(err);
doSomething(result);
});
Is a common pattern.
Another common pattern i...
How do I typedef a function pointer with the C++11 using syntax?
...syntax, which largely eliminates the need for custom typedefs for specific APIs that make it easier to write that API's compound types.
– bames53
May 14 '13 at 0:12
10
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The 'Access-Control-Allow-Origin' header contains multiple values
... AngularJS $http on the client side to access an endpoint of a ASP.NET Web API application on the server side. As the client is hosted on a different domain as the server, I need CORS. It works for $http.post(url, data). But as soon as I authenticate the user and make a request via $http.get(url), I...
Socket.IO - how do I get a list of connected sockets/clients?
... method on the namespaces, this returns a array of all connected sockets.
API for no namespace:
var clients = io.sockets.clients();
var clients = io.sockets.clients('room'); // all users from room `room`
For a namespace
var clients = io.of('/chat').clients();
var clients = io.of('/chat').client...
How To Create a Flexible Plug-In Architecture?
...ystem because if I want to extend functionality, I don't have to learn the API and write/compile a separate plugin. I can write a 3 line snippet in the current buffer itself, evaluate it and use it. Very smooth learning curve and very pleasing results.
One application which I've extended a little i...
What are the real-world strengths and weaknesses of the many frameworks based on backbone.js? [close
... many times. In this time, I learned the value of modularization and very rapidly moved down a path of composite application design.
The basic idea is to "compose" your application's runtime experience and process out of many smaller, individual pieces that don't necessarily know about each other....
How to get all child inputs of a div element (jQuery)
...his is another type of selector like `:checkbox' is, see here for details: api.jquery.com/input-selector And here's a more complete list of these: api.jquery.com/category/selectors/form-selectors
– Nick Craver♦
Mar 8 '10 at 16:18
...
Is there a replacement for unistd.h for Windows (Visual C)?
...
@AShelly: I'm afraid if you code using *nix only API's, then you have no choice but to either re-write existing code to be portable, or to provide your own implementation of the missing functionality. If you used boost::program_options to begin with it will work on many pla...
Custom HTTP Authorization Header
...put custom data in an HTTP authorization header. We're designing a RESTful API and we may need a way to specify a custom method of authorization. As an example, let's call it FIRE-TOKEN authentication.
...
How to convert Set to String[]?
...ce both methods throw a NPE anyways.
Java 8
In Java 8 we can use streams API:
String[] array = set.stream().toArray(String[]::new);
We can also make use of the overloaded version of toArray() which takes IntFunction<A[]> generator as:
String[] array = set.stream().toArray(n -> new Str...