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  • How to update multiple elements with one MooTools Request.HTML call

    - by Mario
    Does anyone know if, using one Request.HTML call from MooTools, it is possible to somehow update more than one element in a webpage? The current call I have is: var req = new Request.HTML({update: $('content')}).get('../latest_events'); This updates the content div in my page with the "../latest_events" page. Is there a way to update other divs with the "../latest_events" page using this same call, or do I have to just use separate calls?

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  • call parent constructor in ruby

    - by Stas
    Hi! How can I call parents constructor ? module C attr_accessor :c, :cc def initialization c, cc @c, @cc = c, cc end end class B attr_accessor :b, :bb def initialization b, bb @b, @bb = b, bb end end class A < B include C attr_accessor :a, :aa def initialization (a, b, c, aa, bb, cc) #call B::initialization - ? #call C::initialization - ? @a, @aa = a, aa end end Thanks.

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  • Initiate call in Windows Phone 7

    - by Shoban
    I am working on a Windows Phone 7 app and I want to give the option for the user to make a call. i.e How can I initiate a call when the user press a "call" button in my app? Looking like that API is not yet exposed.

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  • jQuery animate() - multiple selectors and variables, a unique animate() call

    - by ozke
    Hi guys, I am resizing several divs in a loop with animate() in jQuery. At the same time I am moving (left property, no resizing at all) the div where they are contained. Problem is, despite they have same duration the resize animate calls finish before the move call. They are out of sync. Is there any way of creating a list of selectors and its properties and then run a unique animate() call? Or, is there any alternative to make multiple animations happen at the same time? I've seen there's a property called step that happens every time animate loop happens but, again, each animate() call has it's own step call. Thanks in advance :)

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  • ajax call to servlet puzzler

    - by vector
    Greetings! I'm having a problem getting a text value of a captcha from a servlet through ajax call. When my captcha gets created, its text value is written to session, but after refreshing the image itself though ajax call, I only get one old value of the text. Refreshing the image itself works ok, but I'm stuck getting the correct values from the session on subsequent call. On page reload I get both the new image and its new text value, no joy with ajax though. This works great for the image refresh: $("#asos").attr("src", "/ImageServlet?="+((new Date()).getTime()) ) This call to another method to get text value gives me old stuff: $.ajax({ url:"checkCaptcha", type:"GET", cache: false, success: function( data) { alert(data); } }); Any feedback will be appreciated. ps: here's the meat of the method getting the call: PrintWriter out = response.getWriter(); response.setContentType("text/html"); response.setDateHeader("Expires", 0 ); // Set standard HTTP/1.1 no-cache headers. response.setHeader("Cache-Control", "no-store, no-cache, must-revalidate"); // Set IE extended HTTP/1.1 no-cache headers (use addHeader). response.addHeader("Cache-Control", "post-check=0, pre-check=0"); // Set standard HTTP/1.0 no-cache header. response.setHeader("Pragma", "no-cache"); out.print( request.getSession( ).getAttribute("randomPixValue") ); out.close();

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  • What is "Call By Name"?

    - by forellana
    Hi to everyone! I'm working in a homework, and the professor asked me to implement the evaluation strategy called "call by name" in scheme in a certain language that we developed and he gave us an example at http://www.scala-lang.org/node/138 in the scala language, but i don't understand in what consists the call by name evaluation strategy? what differences it has with call by need? thanks, greetings

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  • Control.EndInvoke resets call stack for exception

    - by Brian Rasmussen
    I don't do a lot of Windows GUI programming, so this may all be common knowledge to people more familiar with WinForms than I am. Unfortunately I have not been able to find any resources to explain the issue, I encountered today during debugging. If we call EndInvoke on an async delegate. We will get any exception thrown during execution of the method re-thrown. The call stack will reflect the original source of the exception. However, if we do something similar on a Windows.Forms.Control, the implementation of Control.EndInvoke resets the call stack. This can be observed by a simple test or by looking at the code in Reflector. The relevant code excerpt from EndInvoke is here: if (entry.exception != null) { throw entry.exception; } I understand that Begin/EndInvoke on Control and async delegates are different, but I would have expected similar behavior on Control.EndInvoke. Is there any reason Control doesn't do whatever it is async delegates do to preserve the original call stack?

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  • How to find which type of system call is used by a program

    - by bala1486
    I am working on x86_64 machine. My linux kernel is also 64 bit kernel. As there are different ways to implement a system call (int 80, syscall, sysenter), i wanted to know what type of system call my machine is using. I am newbie to linux. I have written a demo program. include int main() { getpid(); return 0; } getpid() does one system call. Can anybody give me a method to find which type of system call will be used by my machine for this program.. Thank you....

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  • "tailing" a binary file based on string location using bash?

    - by ilitirit
    I've got a bunch of binary files, each containing an embedded string near the end of the file but at different places (only occurs once in each file). I need to extract the part of the file starting at the location of the string till the end of the file and dump it into a new file. eg. If the file's contents is "AWREDEDEDEXXXERESSDSDS" and the string of interest is "XXX", then the part of the file I need is "XXXERESSDSDS". What's the easiest way to do this in bash?

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  • Java: JAX-WS passing authentication info to a call to webservice

    - by agnieszka
    I am using JAX-WS. I am connecting to .NET webservice that requires authentication. I first call the Authentication.asmx so that I can be authenticated. The call returns me a LoginResult that contains a cookie name. Then I call another webservice and I need to somehow pass this cookie or a cookie name. and I don't know how. Here is the code: //first service that returns login information Authentication auth = new Authentication(new URL("the_url"), new QName("http://schemas.microsoft.com/sharepoint/soap/", "Authentication")); LoginResult result = auth.getAuthenticationSoap().login(HTTPuserName, HTTPpassword); //i need to pass cookie or cookie name or any other login information to call to this service Copy copyService = new Copy(new URL("service_url"), new QName("http://schemas.microsoft.com/sharepoint/soap/", "Copy")); BindingProvider p = (BindingProvider) copyService.getCopySoap();

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  • AJAX call works on local machine, not on host

    - by superexsl
    hey everyone, What could potentially stop an AJAX call from working on the host server, when it works fine on the local host? I tried returning an error from the AJAX call, but all I get is 'undefined'. I don't think the actual page method is being called since no information is added in my log (and I've explicitly added a call). I can't reproduce the problem on my local machine, so does anyone know possible areas I should look into? Thanks

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  • Google Web Toolkit Asynchronous Call from a Service Implementation

    - by Thor Thurn
    I'm writing a simple Google Web Toolkit service which acts as a proxy, which will basically exist to allow the client to make a POST to a different server. The client essentially uses this service to request an HTTP call. The service has only one asynchronous method call, called ajax(), which should just forward the server response. My code for implementing the call looks like this: class ProxyServiceImpl extends RemoteServiceServlet implements ProxyService { @Override public Response ajax(String data) { RequestBuilder rb = /*make a request builder*/ RequestCallback rc = new RequestCallback() { @Override public void onResponseReceived(Response response) { /* Forward this response back to the client as the return value of the ajax method... somehow... */ } }; rb.sendRequest(data, requestCallback); return /* The response above... except I can't */; } } You can see the basic form of my problem, of course. The ajax() method is used asynchronously, but GWT decides to be smart and hide that from the dumb old developer, so they can just write normal Java code without callbacks. GWT services basically just do magic instead of accepting a callback parameter. The trouble arises, then, because GWT is hiding the callback object from me. I'm trying to make my own asynchronous call from the service implementation, but I can't, because GWT services assume that you behave synchronously in service implementations. How can I work around this and make an asynchronous call from my service method implementation?

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  • Call a constructor from variable arguments with PHP

    - by zneak
    Hello guys, I have a function that takes variadic arguments, that I obtain from func_get_args(). This function needs to call a constructor with those arguments. However, I don't know how to do it. With call_user_func, you can call functions with an array of arguments, but how would you call a constructor from it? I can't just pass the array of arguments to it; it must believe I've called it "normally". Thank you!

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  • Call Ruby class over java with jruby

    - by r2
    Hi all If I implement a class in ruby and compile it with jrubyc than it is not possible to call it from a java class directly if I start it with java. If I see this right I have to use org.jruby.embed... to implement a wrapper wich takes a class name and a metod to call my ruby class. Do I have to do this also if I start the application with jruby? In my current project I start java workflow engine completely with jruby. The workflow has to call a method in a ruby class which he cant find. Maybe easier to understand: [ruby_class] <-----has to call----. | jruby [ruby_start_script] --starts--> [java wfe]

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  • x86_64 assembler: only one call per subroutine?

    - by zneak
    Hello everyone, I decided yesterday to start doing assembler. Most of it is okay (well, as okay as assembler can be), but I'm getting some problems with gas. It seems that I can call functions only once. After that, any subsequent call opcode with the same function name will fail. I must be doing something terribly wrong, though I can't see what. Take this small C function for instance: void path_free(path_t path) { if (path == NULL) return; free(((point_list_t*)path)->points); free(path); } I "translated" it to assembler like that: .globl _path_free _path_free: push rbp mov rbp, rsp cmp rdi, 0 jz byebye push rdi mov rdi, qword ptr [rdi] call _free pop rdi sub rsp, 8 call _free byebye: leave ret This triggers the following error for the second call _free: suffix or operands invalid for ``call''. And if I change it to something else, like free2, everything works (until link time, that is). Assembler code gcc -S gave me looks very similar to what I've done (except it's in AT&T syntax), so I'm kind of lost. I'm doing this on Mac OS X under the x86_64 architecture.

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  • Error setting env thru subprocess.call to run a python script on a remote linux machine

    - by John Smith
    I am running a python script on a windows machine to invoke another python script on a remote linux machine. I am using subprocess.call with ssh to do this, like below: subprocess.call('ssh -i <identify file> username@hostname python <script_on_linux_machine>') and this works fine. However, if I want to set some environment variables, like below: subprocess.call('ssh -i <identify file> username@hostname python <script_on_linux_machine>', env={key1:value1}) it fails. I get the following error: ssh_connect: getnameinfo failed ssh: connect to host <hostname> port 22: Operation not permitted 255 I've tried splitting the ssh commands into list and passing. Didn't help. I've tried to run other 'local'(windows) commands thru subprocess.call() and tried setting the env. It works fine. I've tried to run other commands(such as ls) on the remote linux machine. Again, subprocess.call() works fine, as long as I don't try to set the environment. What am I doing wrong? Would I be able to set the environment for a python script on a remote machine? Any help will be appreciated.

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  • Placement of a call to the parent method

    - by Alejandro
    I have a class that has a method. That class has a child class that overrides that method. The child's method has to call the parent's method. In all OO that I've seen or written calls to the parent's version of the same method were on the first line of the method. On a project that I am working on circumstances call for placing that method call at the end of a method. Should I be worried? Is that a code smell? Is this code inherently bad? class Parent { function work() { // stuff } } class Child { function work() { // do thing 1 // do thing 2 parent::work(); // is this a bad practice? // should I call the parent's work() method before // I do anything in this method? } }

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  • Symfony : ajax call cause server to queue next queries

    - by Remiz
    Hello, I've a problem with my application when an ajax call on the server takes too much time : it queue all the others queries from the user until it's done server side (I realized that canceling the call client side has no effect and the user still have to wait). Here is my test case : <script type="text/javascript" src="jquery-1.4.1.min.js"></script> <a href="another-page.php">Go to another page on the same server</a> <script type="text/javascript"> url = 'http://localserver/some-very-long-complex-query'; $.get(url); </script> So when the get is fired and then after I click on the link, the server finish serving the first call before bringing me to the other page. My problem is that I want to avoid this behavior. I'm on a LAMP server and I'm looking in a way to inform the server that the user aborted the query with function like connection_aborted(), do you think that's the way to go ? Also, I know that the longest part of this PHP script is a MySQL query, so even if I know that connection_aborted() can detect that the user cancel the call, I still need to check this during the MySQL query... I'm not really sure that PHP can handle this kind of "event". So if you have any better idea, I can't wait to hear it. Thank you. Update : After further investigation, I found that the problem happen only with the Symfony framework (that I omitted to precise, my bad). It seems that an Ajax call lock any other future call. It maybe related to the controller or the routing system, I'm looking into it. Also for those interested by the problem here is my new test case : -new project with Symfony 1.4.3, default configuration, I just created an app and a default module. -jquery 1.4 for the ajax query. Here is my actions.class.php (in my unique module) : class defaultActions extends sfActions { public function executeIndex(sfWebRequest $request) { //Do nothing } public function executeNewpage() { //Do also nothing } public function executeWaitingaction(){ // Wait sleep(30); return false; } } Here is my indexSuccess.php template file : <script type="text/javascript" src="jquery-1.4.1.min.js"></script> <a href="<?php echo url_for('default/newpage');?>">Go to another symfony action</a> <script type="text/javascript"> url = '<?php echo url_for('default/waitingaction');?>'; $.get(url); </script> For the new page template, it's not very relevant... But with this, I'm able to reproduce the lock problem I've on my real application. Is somebody else having the same issue ? Thanks.

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  • Virtual member call in a constructor when assigning value to property

    - by comecme
    I have an Abstract class and a Derived class. The abstract class defines an abstract property named Message. In the derived class, the property is implemented by overriding the abstract property. The constructor of the derived class takes a string argument and assigns it to its Message property. In Resharper, this assignment leads to a warning "Virtual member call in constructor". The AbstractClass has this definition: public abstract class AbstractClass { public abstract string Message { get; set; } protected AbstractClass() { } public abstract void PrintMessage(); } And the DerivedClass is as follows: using System; public class DerivedClass : AbstractClass { private string _message; public override string Message { get { return _message; } set { _message = value; } } public DerivedClass(string message) { Message = message; // Warning: Virtual member call in a constructor } public DerivedClass() : this("Default DerivedClass message") {} public override void PrintMessage() { Console.WriteLine("DerivedClass PrintMessage(): " + Message); } } I did find some other questions about this warning, but in those situations there is an actual call to a method. For instance, in this question, the answer by Matt Howels contains some sample code. I'll repeat it here for easy reference. class Parent { public Parent() { DoSomething(); } protected virtual void DoSomething() {}; } class Child : Parent { private string foo; public Child() { foo = "HELLO"; } protected override void DoSomething() { Console.WriteLine(foo.ToLower()); } } Matt doesn't describe on what error the warning would appear, but I'm assuming it will be on the call to DoSomething in the Parent constructor. In this example, I understand what is meant by a virtual member being called. The member call occurs in the base class, in which only a virtual method exists. In my situation however, I don't see why assigning a value to Message would be calling a virtual member. Both the call to and the implementation of the Message property are defined in the derived class. Although I can get rid of the error by making my Derived Class sealed, I would like to understand why this situation is resulting in the warning.

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