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• help understanding the concept of javascript callbacks with node.js, especially in loops

  - by Mr JSON

  hi I am just starting with node.js. I have done a little ajax stuff but nothing too complicated so callbacks are still kind of over my head. I looked at async but all I need is to run a few functions sequentially. I basically have something that pulls some json from an api, creates a new one and then does something with that. obviously i can't just run it because it runs everything at once and has an empty json. mostly they have to go sequentially but if while pulling a json from the api it can pull other json while it's waiting that is fine. I just got confused when putting the callback in a loop. what do I do with the index? i think i have seen some places that use callback inside the loop as kind of a recusive function and don't use for loops at all. simple examples would help alot thanks!

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• JAX-RS implementation of link/element expansion?

  - by Jimmy

  While reading documentation of Google Data API and Atlassian REST API, I found interesting functionality - link (or title, element expansion) - http://bit.ly/i3rKMw. I would like to implement this functionality in my Java project of web service server for our IS, but I can't find any proper solution or advices for implementation. My project is quite big with many services so I need some robust and most automated solution. I was thinking about how to implement it like an extension for RESTEasy and JAXB, but it seems to be very complicated. Do you know some opensource projects which implements this functionality or any advices which could help me?

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• Python and urllib2: how to make a GET request with parameters

  - by Infinity

  I'm building an "API API", it basically a wrapper for a in house REST web service that the web app will be making a lot of requests to. Some of the web service calls need to be GET rather than post, but passing parameters. Is there a "best practice" way to encode a dictionary into a query string? e.g.: ?foo=bar&bla=blah I'm looking at the urllib2 docs, and it looks like it decides by itself wether to use POST or GET based on if you pass params or not, but maybe someone knows how to make it transform the params dictionary into a GET request. Maybe there's a package for something like this out there? It would be great if it supported keep-alive, as the web server will be constantly requesting things from the REST service. Thanks!

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• How to add a php page to Wordpress

  - by rutherford

  I want to create a custom page for my Wordpress blog that will execute my php code in it, whilst remaining a part of the overall site css/theme/design. The php code will make use of 3rd party APIs (so I need to include other php files) How do I accomplish this? N.B. I do not have a specific need to interact with the Wordpress API - apart from including certain other php libs I need I have no other dependencies in the PHP code I want to include in a WP page. So obviously any solution that didn't require learning the WP api would be the best one.

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• Kentico - Using punctuation with AuthenticateUser

  - by Big Friendly Giant

  We are currently using version 7.0 of the kentico API to authenticate users into our system. The following code is used to gain user details from the database and authenticate users. UserInfo objUserInfo = AuthenticationHelper.AuthenticateUser(username.ToLower(), password.ToLower(), CMSContext.CurrentSiteName); This has primarily been working correctly, but we are having issues with usernames and passwords that contain any of the following characters. " ! @ ' / \ < * - Is there any settings that I need to be aware of (web.config or otherwise) that would stop the API from accessing an account where a username or password contained special characters?

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• How to use soap in javascript

  - by fresher

  Hi guys, I am trying to use SOAP in javascript but i am not getting how to start it. Here is the code sample i write in PHP and it works fine. I want to write this code in Javascript. In following code i call one api from a www.example.com and for calling certain api we require to pass some parameters. $soapClient = new SoapClient("https://www.example.com/abc.aspx?WSDL"); // Prepare SoapHeader parameters $param_sh = array( ); $header = new SoapHeader('http://somesite.com/action/', 'user_credential', $param_sh); // Prepare Soap Client $soapClient->__setSoapHeaders(array($header)); // Setup the RemoteFunction parameters $param = array( "pwd" => "password", "id" => "name" ); // Call RemoteFunction () $contents = $soapClient->__call("name_of_api",array($param)); print_r($contents); Thanx in advance!!!

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• How to solve JavaScript origin problem with an application and static file server

  - by recipriversexclusion

  In a system that I'm building I want to serve Static files (static HTML pages and a lot of images), and Dynamic XML generated by my servlet. The dynamic XML is generated from my database (through Hibernate) and I use Restlets to serve it in response to API calls. I want to create a static file server (e.g. Apache) so that this does not interfere with the dynamic server traffic. Currently both servers need to run on the same machine. I've never done something like this before and this is where I'm stuck: The static HTML pages contain JavaScript that makes API calls to the dynamic server. However, since the two servers operate on different ports, I get stuck with the same origin problem. How can this be solved? As a bonus, if you can point me to any resources that explain how to create such a static/dynamic content serving system, I'll be happy. Thanks!

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• Which Java modules get Spring Security

  - by HDave

  I have a classic Java SOA application, with a web UI module, web services module, a service module (Java API), a domain module and a persistence module. In a sense, each of these modules has their own public API. My understanding of Spring Security is that I can use web filters to handle the security of the web gui and web services, and method level security (via annotations) for the service module. My question is this: should I bother to add method level security to the domain module and the persistence module or is that considered overkill?

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• set a cookie while sending PERL HTTP::Request

  - by dexter

  i have created HTTP::Request which looks like this: #!/usr/bin/perl require HTTP::Request; require LWP::UserAgent; $request = HTTP::Request->new(GET => 'http://www.google.com/'); $ua = LWP::UserAgent->new; $ua->cookie_jar({file => "testcookies.txt",autosave =>1}); $response = $ua->request($request); if($response->is_success){ print "sucess\n"; print $response->code; } else { print "fail\n"; die $response->code; } now, When i send Request: $request = HTTP::Request->new(GET => 'http://www.google.com/'); $ua = LWP::UserAgent->new; $ua->cookie_jar({file => "testcookies.txt",autosave =>1}); i want to set a cookie which might look like.. $request = HTTP::Request->new(GET => 'http://www.google.com/'); $ua = LWP::UserAgent->new; $ua->new CGI::Cookie(-name=>"testCookie",-value=>"cookieValue"); $ua->cookie_jar({file => "testcookies.txt"}); gives error though. AND, want to log the http response codes in the file please help thank you

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• How to specify a web service URL within a Drupal module's simpletest?

  - by Matt V.

  I have a Drupal module that talks to a REST API on a separate server for user registration and authentication. The module runs on multiple sites which point to different servers which may run different versions of the REST API. Ideally, I'd like to be able to run each site against its own end-point, in case changes on the back end break things. Is there a way to dynamically specify a different end-point URL when running a test? Or do I have to edit the .test file for each site? I'm trying to keep the module's files as generic and flexible as possible. I guess I could have the .test file look for a .inc file that could override the URL, if needed for a particular site. Is there a better way though?

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• Monitor file in Java on Linux 64bits

  - by Tim

  I'd like to be notified when a file has been created, deleted or changed, but not using polling mechanism. I have surveyed related Java API that can use.(EX:JNotify, JPathWatch and JXFileWatcher) Those APIs provide file monitor by using native component on OS. But I met the same problem is that they can't run on Linux 64bits, because native component in those APIs donen't support Linux 64bits, and this confused me for a long time. I also know that there'll be a WatchService API as part of NIO2 in JDK7, but JDK7 has not released yet. So, can any one suggest me a better solution? Very Thanks.

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• What's the best practice to "look up" Java Enums?

  - by Marcus

  We have a REST API where clients can supply parameters representing values defined on the server in Java Enums. So we can provide a descriptive error, we add this lookup method to each Enum. Seems like we're just copying code (bad). Is there a better practice? public enum MyEnum { A, B, C, D; public static MyEnum lookup(String id) { try { return MyEnum.valueOf(id); } catch (IllegalArgumentException e) { throw new RuntimeException("Invalid value for my enum blah blah: " + id); } } } Update: The default error message provided by valueOf(..) would be No enum const class a.b.c.MyEnum.BadValue. I would like to provide a more descriptive error from the API.

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• Multi-Core Programming. Boost's MPI, OpenMP, TBB, or something else?

  - by unknownthreat

  Hello, I am totally a novice in Multi-Core Programming, but I do know how to program C++. Now, I am looking around for Multi-Core Programming library. I just want to give it a try, just for fun, and right now, I found 3 APIs, but I am not sure which one should I stick with. Right now, I see Boost's MPI, OpenMP and TBB. For anyone who have experienced with any of these 3 API (or any other API), could you please tell me the difference between these? Are there any factor to consider, like AMD or Intel architecture?

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• Servicestack CorsFeature Global Options Handler Not Firing on Certain Routes;

  - by gizmoboy

  I've got a service setup using the CorsFeature, and am using the approach that mythz suggested in other answers, collected in a function used in the appHost file: private void ConfigureCors(Funq.Container container) { Plugins.Add(new CorsFeature(allowedOrigins: "*", allowedMethods: "GET, POST, PUT, DELETE, OPTIONS", allowedHeaders: "Content-Type, Authorization, Accept", allowCredentials: true)); PreRequestFilters.Add((httpReq, httpRes) => { //Handles Request and closes Responses after emitting global HTTP Headers if (httpReq.HttpMethod == "OPTIONS") { httpRes.EndRequest(); } }); } However, the pre-request filter is only firing on some of the service requests. One of the base entities we have in the service is a question entity, and there are custom routes defined as follows: [Route("/question")] [Route("/question/{ReviewQuestionId}", "GET,DELETE")] [Route("/question/{ReviewQuestionId}/{ReviewSectionId}", "GET")] Using POSTMAN to fire test queries (all using the OPTIONS verb), we can see that this will fire the pre-request filter: http://localhost/myservice/api/question/ But this will not: http://localhost/myservice/api/question/66 Presumably, this is because the second and third routes explicitly defined the verbs they accept, and OPTIONS isn't one of them. Is it really necessary to spell out OPTIONS in every defined route that restricts the verbs supported?

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• Get application icon from ProcessSerialNumber

  - by Thomi

  I would like to get the application icon for all foreground applications running on my Mac. I'm already iterating over all applications using the Process Manager API. I have determined that any process that does not have the modeBackgroundOnly flag set in the processMode (as retrieved from GetProcessInformation()) is a "foreground" application, and shows up in the task switcher window. All I need is an API that gives me a CImageRef (or similar) that contains the application icon for a process. I'm free to use either carbon or cocoa APIs.

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• Windows Phone 7 HttpRequest Unable to see true Error Code and response details

  - by Bob

  I have to call a somewhat broken API from a Windows Phone 7 application. The API returns a 302 error and a cookie to the authentication request. I've tried every way I've been able to find in the MSDN documentation for using ClientHTTP instead of BrowserHTTP (registering the prefix, using the call to explicitly create a ClientHTTP using Request), but the 302 is getting translated to a 404 and I'm not seeing the cookies on the response. I've tried a WebClient, I've tried an HttpRequest and it is always the translated error message. If I allocate a CookieContainer for the HttpRequest, I get a null argument exception when the client stack is parsing the returned message. I can see that the response is coming back as expected via Fiddler.

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• Is there a way to find out if an iPhone / iPad app is installed already?

  - by eerok512

  I'm writing a freeware version of an app and would like to check if a user already has the unfree version installed, and print a message whose contents are conditional on the results of the installation check... anybody know if this is possible? the closest I've come to a solution is to make use of the CFPreferencesSetValue API with a kCFPreferencesAnyUser / kCFPreferencesCurrentHost pairing... I haven't tried it, but based on the documentation it sounds possible. however in my current specific situation this API will not be able to solve my problem, because I want to check for the presence of an app I wrote 4 months ago that didn't write any data to the CFPrefs registry... because back then I didn't know of it nor did I foresee this situation arising... the only way CFPrefs can assist me is in future apps now that I know it exists :) so I'm wondering if there are other ways to do it? any help will be appreciated :)

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• Is there any user-friendly way to deliver an In-app purchase subscription to multiple devices?

  - by mkvakin

  Hi everybody, Apple requires an in-app purchase subscription purchased on one device to be available on all devices associated with the user: “...subscriptions must be provided on all devices associated with a user. In App Purchase expects subscriptions to be delivered through an external server that you will provide. You must provide infrastructure to deliver subscriptions to multiple devices.” Is there any way to propagate a subscription to another device transparently without user having to create a server side user account and log in each time he needs to enable the subscription on another device? E.g. by reading a username from some kind of API and using it as a key on a server to store information about subscriptions. I tried to find an API for retrieving user account info but couldn't find any.

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• Using Geo APIs to pick a random town from anywhere in the world

  - by Dan Forys

  Hi all, I'm trying to use Yahoo's excellent GeoPlanet API: http://developer.yahoo.com/geo/geoplanet/guide/api-reference.html I would like to pick a random town from anywhere in the world but can't see an easy way to do it. I have tried querying by country and asking for children of type 'town', but can't seem to do that directly. Can anyone think of a way to pluck out a random town WOEID without having to query the country, then the admin regions, then the admin 2, then the admin 3 etc. I have also experimented using YQL, but don't have enough of an understanding about the available APIs.

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• change the default window font in a win32 windows project

  - by Vineel Kumar Reddy

  I am creating a GUI application using C and Win32 api. I would like to know how we can change the default font of the Main window to thaoma. I am comming from .NET background. In .NET if we change the font of parent control then automatically the child controls inherits that font.... Is there away similar to it or do we need to manually set the font of each control..... Please help me here.......and let me know the general process followed while coding in win32 api.... THanks in advance..

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• IO completion port key confusion

  - by Richard Tew

  I'm writing an IO completion port based server (source code here) using the Windows DLL API in Python using the ctypes module. But this is a pretty direct usage of the API and this question is directed at those who have a knowledge of IOCP, not Python. As I understand the documentation for CreateIoCompletionPort, you specify your "user defined" completion key when you call this function with a file handle (in my case a socket) you are associating with the created IOCP. When you get around to calling GetQueuedCompletionStatus, you get a completion key value along with a pointer to an overlapped object. The completion key should identify what overlapped object and request has completed. However, let's say I pass in 100 as the completion key in my CreateIoCompletionPort call with an overlapped object. When the same overlapped object has its IO completed and it arrives back through GetQueuedCompletionStatus, the completion key that accompanies it is much larger and bares no resemblance to the original value of 100. Am I misunderstanding how the completion key works, or must I be doing it wrong in the source code I linked above?

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• correct way to store an exception in a variable

  - by Evan Teran

  I have an API which internally has some exceptions for error reporting. The basic structure is that it has a root exception object which inherits from std::exception, then it will throw some subclass of that. Since catching an exception thrown in one library and catching it in another can lead to undefined behavior (at least Qt complains about it and disallows it in many contexts). I would like to wrap the library calls in functions which will return a status code, and if an exception occurred, a copy of the exception object. What is the best way to store an exception (with it's polymorphic behavior) for later use? I believe that the c++0x futures API makes use of something like this. So what is the best approach? The best I can think of is to have a clone() method in each exception class which will return a pointer to an exception of the same type. But that's not very generic and doesn't deal with standard exceptions at all. Any thoughts?

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• Android XMLRPC and Magento

  - by Josh Pennington

  Does anyone know how I can use the Magento API to get sales data on Android using XMLRPC?

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• Why I am not that user after I load cookies?

  - by MoreFreeze

  I want to grab some site data, but it must be a login account. So I register it and login, I found some API about this site that can be used to grab data. I use this Chrome plugin "cookie.txt export" export cookies.txt, I copy all content it export and use following cmd like wget -x --load-cookies cookies.txt http://www.example.com/api/name=xxxx but it doesn't work. It download the page that need I login. So I think this site has some other verification strategy, how can I pass it? Whether I must input in browser manually?

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• Remapping design issue

  - by Sirupsen

  Hello, I'm currently developing a Ruby Gem and I'm a bit lost on the design currently. Basically, I'm remapping some APIs, so my skeleton is something like this: module MyApp module SomeApi class Function > Base::Function ... end class Function2 > Base::Function2 ... end ... end module SomeApi2 ... end class RemappedFunction def initalize # set some values and stuf ... end def remapped_method # Problem: # How would I know, if I should take contact to # SomeApi, or SomeApi2? end end def interact_with(api) # What would be the best way of letting RemappedFunction # know which API to use? end end someapi2 = MyApp.interact_with(:someapi2) someapi2.remapped_method Any ideas?

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