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  • Can class of linux device be NULL?

    - by Basilevs
    Can I pass NULL pointer to the first argument of device_create function? I'm using device_create() to create character device file in sysfs. This file don't represent any physical device (it is used to provide an access to a set of devices connected to various buses). What class should I use with device_create() to create such a file?

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  • How do I pass an ArrayList to method that takes a collection as an input

    - by Ankur
    I want to pass some ArrayList X into method a(Collection someCol) that takes Collection as an input. How can I do this? I thought an ArrayList was a Collection and thus I should be able to "just do it" but it seems that Collection is an interface and ArrayList implements this interface. Is there something I can do to make this work ... if you understand the theory that would also help me and possibly lots of other people. Thanks

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  • Get Const / Static Name from Function / Method Call.

    - by Mark Tomlin
    I want to find the token's name passed by augment into a function. class Norm { const STR_NORM = 0; const INT_NORM = 0; } function foo($Arg1, $Arg2 = NULL) { getConstName($Arg1); # Should Return STR_NORM; return $Arg1, $Arg2; } echo foo(Norm::STR_NORM); Is there any way to impalement getConstName via the PHP Reflection API?

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  • JQuery class selectors like $(.someClass) are case sensitive?

    - by Justin Grant
    Given this HTML: <div class="OpenIDSelector">some text</div> Why does this JQuery selector match it on some browsers and some pages, but not on others? $('.OpenIdSelector) NOTE: I ran into this problem and solved it myself, but it was annoying and I didn't find it on StackOverflow already, so I'm posting it as a Q&A pair so someone else won't waste an hour like I did.

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  • J2SE Client Server App: Client calls RMI method. Server handles RMI method and returns, but Client

    - by Mike
    J2SE Client Server App: Client calls RMI message. Server handles RMI method and returns, but Client never receives it. Any ideas how this could happen? Our attempted solution is to set client read timeouts and come up with a framework for resending requests or otherwise handling those failures gracefully. But really, I'd like to know any root causes for how this might happen rather than addressing the symptoms.

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  • Exception: Need to specify class name in environment or system property: java.naming.factory.initial

    - by DanDan
    When i run a JMS related application, i am encountering the following exception error. javax.naming.NoInitialContextException: Need to specify class name in environment or system property, or as an applet parameter, or in an application resource file: java.naming.factory.initial We are using Sun Application Server 9.1 Any idea what are we missing? I already tried adding the following but result still the same Properties env = new Properties(); env.put("java.naming.factory.initial","com.sun.jndi.cosnaming.CNCtxFactory"); Context ctx = new InitialContext(env);

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  • Web Development Designing Method

    - by Raj
    HI can any one tell me which web development method is currently use. and can anyone also tell me related article or any other guide for it, am working on web development project in asp.net and Sql server (Clothing Website) as it is my first project after finishing my studies and i don't have much idea, which process should i have to follow

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  • jquery contains with class

    - by proee
    I'm using jQuery :contains selector to filter through some link tags. The following code works great. $('a:contains('string').each(function(i){ //do some stuff }); I'd like only run this function if the anchor tags are inside a specific class, I've tried the following but it does not appear to work: $('my_class a:contains('string').each(function(i){ //do some stuff });

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  • ajax onsucess method context

    - by mazhar kaunain baig
    function createSuccess(context) { $get(“result”).innerHTML = context.get_data(); } <% using (Ajax.BeginForm(new AjaxOptions {OnSuccess="createSuccess"})) {%> What does context holds in the createsuccess method? data return by controller? How do we return json data in the createsucess if so

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  • .NET IsValidXml Extension Method Performance

    - by tyndall
    I have a legacy application that I inherited that passes a lot of XML around as Strings. I often need the ability to check if a String will be valid XML. What is the fastest and least expensive way to check if a string is valid XML in .NET? I'm working in .NET 3.5 and would most likely use this as an extension method (off of string) in this one project within the solution.

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  • How to use JSON response in the form of JSTL?

    - by HariKrishna
    I am getting JSON response,now i need to construct a table using this response.The table may be contain more than one record and i know one way of doing this is using Jstl tags but not JSON response.Here is my jsp code <div id="divHideAllergies" class="clone"> <div class="copy"> <div class="col-md-12"> <div class="portlet box carrot "> <div class="portlet-title"> <div class="caption"> <i class="fa fa-medkit"></i> Allergies </div> </div> <div class="portlet-body form"> <div class="form-body"> <div class="form-group"> <label class="control-label col-md-3">Allergy Type:</label> <div class="col-md-9"> <div class="input-group"> <span class="input-group-addon"><i class="fa fa-medkit"></i></span> <select class="form-control" id="allergy_type"> <option selected value="">--Select One--</option> <option value="Drug">Drug</option> <option value="Environmental">Environmental</option <option value="Food">Food</option> </select> </div> </div> </div> <div class="form-group"> <label class="control-label col-md-3">Allergic to:</label> <div class="col-md-9"> <div class="input-group"> <span class="input-group-addon"><i class="fa fa-medkit"></i></span> <input type="text" class="form-control" name="first name" id="allergy_to"/> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div>

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  • drawRect:rect how to call this method , I am using to draw a string

    - by user338322
    -(void)drawRect:(CGRect)rect { CGContextRef context = UIGraphicsGetCurrentContext(); CGContextSelectFont(context, "Arial", 24, kCGEncodingFontSpecific); CGContextSetTextPosition(context,80,80); CGContextShowText(context, "hello", 6); //not even this works CGContextShowTextAtPoint(context, 1,1, "hello", 6); } I want to kn ow how to call above method, i have paste above code in the implemntation file simply, but dont know why its not called when i execute the project, can some one

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  • Try method in powershell

    - by Willy
    So I want to build a try method into my powershell script below. If I am denied access to a server, I want it to skip that server. Please help.. [code]$Computers = "server1", "server2" Get-WmiObject Win32_LogicalMemoryConfiguration -Computer $Computers | Select-Object ` @{n='Server';e={ $_.__SERVER }}, ` @{n='Physical Memory';e={ "$('{0:N2}' -f ($_.TotalPhysicalMemory / 1024))mb" }}, ` @{n='Virtual Memory';e={ "$('{0:N2}' -f ($_.TotalPageFileSpace / 1024))mb" }} | ` Export-CSV "output.csv"[/code]

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  • How to optimize class for viewstate

    - by Jeremy
    If I have an object I need to store in viewstate, what kinds of things can I do to optimize the size it takes to store the object? Obviously storing the least amount of data will take less space, but aside from that, are there ways to architect the class, properties, attrbutes etc, that will effect how large the serialized output is?

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  • Description Class for Navigation Links not working

    - by Carmel
    My problem is with my navigation links. I've created a class for the links so that the link color is different from the typical links throughout. The problem is that the color defined in a:visited is taking precedence over the color defined in a:link. I've tried everything and can't work this out. Any suggestions?

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  • An object reference is required for the non-static field, method, or property using global variable

    - by Jose Cardama
    Hello Iam working in a global int in which a variable will be used later. I've made the global variable like this: class Foo { public static int stream = Bass.BASS_StreamCreateFile(path1.Text, 0, 0, BASSFlag.BASS_DEFAULT); } which will be later called like this: Foo.stream and it can also contain more then 1 stream for example stream20,30,etc... The problem here is that it returns me this error: "An object reference is required for the non-static field, method, or property" where I call the text in path1.Text How do I fix this?

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  • Class name to view path

    - by Alexey Poimtsev
    Hi, I have a RoR application and model SomeModel. I have views for this model and I want to know - is there any method to get the view's path? Of course I can use for this model instance m = SomeModel.new v = m.class.class_name.pluralize.downcase It's working, but maybe you know a better way? :)

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  • How to call a generic method through reflection

    - by milan
    Hi, is it possible to call with reflection a method with "explict type argument" <S> definition e.g. oObject.Cast<S>() ? where is: IList <P> oObject = new List <P>(); I tried with oObject.getType().InvokeMember( "Cast", BindingFlags.InvokeMethod, null, oObject, null) but it does not work, does anyone know why?

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  • Access static Method in GDB

    - by Besi
    I recently discovered the GDB in Xcode which makes up for some functionality which IMHO seems to be lacking in Xcode. So I can do the following in GDB: (gdb) po [LoginManager sharedSession].loginToken 20D52FE9-3573-437E-9A65-846572B63726 However, I have another Service class, which is currently not loaded so I get the following error: (gdb) po [SessionService displaySessionInfoForToken:@"XXX"] No symbol "SessionService" in current context. I don't understand why the LoginManager can be loaded but not the SessionService.

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