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  • Are there any solutions for translating measurement units on Rails?

    - by Leonid Shevtsov
    I'd like to implement measurement unit preferences in a Ruby on Rails app. For instance, the user should be able to select between displaying distances in miles or in kilometers. And, obviously, not only displaying, but entering values, too. I suppose all values should be stored in one global measurement system to simplify calculations. Are there any drop-in solutions for this? Or should I maybe write my own?

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  • Custom membership provider via WCF authorization question

    - by Diego
    I've made a global authentication via WCF to use with the most of our systems, but found that load data via WCF not very so fast. What I need to do now is verify every time that the page is loading if the user has access granted to that page.... Its a good pratice to go back in WCF request this info for every page that the user access?This will not slow down my entire system?

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  • I need to know inside of "while(fscanf != EOF){blah}" if the next fscanf is going to return EOF-- be

    - by Rancur3p1c
    I've got some code executing in a while(fscanf != EOF) loop. However, even when fscanf has finished executing, I need to keep running that code until some conditions are met. I mean I guess I could copy/paste the code to outside the while(fscanf) loop, and only use global variables, but that seems messy. Surely someone has encountered something like this before and has a cleaner solution.

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  • Optimizing a memoization decorator not increase call stack

    - by Tyler Crompton
    I have a very, very basic memoization decorator that I need to optimize below: def memoize(function): memos = {} def wrapper(*args): try: return memos[args] except KeyError: pass result = function(*args) memos[args] = result return result return wrapper The goal is to make this so that it doesn't add on to the call stack. It actually doubles it right now. I realize that I can embed this on a function by function basis, but that is not desired as I would like a global solution for memoizing. Any ideas?

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  • Best practice to include log4Net external config file in ASP.NET

    - by Martin Buberl
    I have seen at least two ways to include an external log4net config file in an ASP.NET web application: Having the following attribute in your AssemblyInfo.cs file: [assembly: log4net.Config.XmlConfigurator(ConfigFile = "Log.config", Watch = true)] Calling the XmlConfigurator in the Global.asax.cs: protected void Application_Start() { XmlConfigurator.Configure(new FileInfo("Log.config")); } What would be the best practice to do it?

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  • Testing custom constraints in Grails App

    - by WaZ
    Hi there, I have the following as my unit test: void testCreateDealer() { mockForConstraintsTests(Dealer) def _dealer= new Dealer( dealerName:"ABC", Email:"[email protected]", HeadOffice:"", isBranch:false) assertFalse _dealer.validate() } But when I run the test I get the following error: No signature of method: static com.myCompany.Dealer.findByDealerNameIlike() is applicable for argument types: (java.lang.String) values: [ABC] I use some custom constraints in my domain class. How Can I test this? static constraints = { dealerName(blank:false, validator: { val, obj -> def similarDealer = Dealer.findByDealerNameIlike(val) return !similarDealer || (obj.id == similarDealer.id) } )

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  • c# calculation help

    - by Jonas B
    Hi, I'm pretty useless when it comes to math and I have a problem I need help with. This has nothing to do with schoolwork, it's in fact about alcatel and the ticketextractor. I have two values that needs to be calculated in a c# application according to a formula specified in their documentation: "The global callid is equal to: callid1 multiplied by 2 power 32 plus callid2" As I said I'm not big with maths so that statement says nothing to me. If anyone know how to calculate it i'd appreciate it! Thanks

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  • how to send some data to the Thread module on python and google-map-engine

    - by zjm1126
    from google.appengine.ext import db class Log(db.Model): content = db.StringProperty(multiline=True) class MyThread(threading.Thread): def run(self,request): #logs_query = Log.all().order('-date') #logs = logs_query.fetch(3) log=Log() log.content=request.POST.get('content',None) log.put() def Log(request): thr = MyThread() thr.start(request) return HttpResponse('') error is : Exception in thread Thread-1: Traceback (most recent call last): File "D:\Python25\lib\threading.py", line 486, in __bootstrap_inner self.run() File "D:\zjm_code\helloworld\views.py", line 33, in run log.content=request.POST.get('content',None) NameError: global name 'request' is not defined

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  • What is the closest thing MATLAB has to namespaces?

    - by rlbond
    We have a lot of MATLAB code in my lab. The problem is there's really no way to organize it. Since all the functions have to be in the same folder to be called (or you have to add a bunch of folders to MATLAB's path environment variable), it seems that we're doomed have loads of files in the same folder, all in the global namespace. Is there a better way to organize our files and functions? I really wish there were some sort of module system...

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  • explicitly refer to the a class without a namespace in C#

    - by JoelFan
    The code I'm working with has a class called Environment that is not in any namespace. Unfortunately if I am in a class that imports the System namespace, there is no way to refer to the custom class called Environment. I know this was an unfortunate choice and should be refactored, but is there any way I can explicitly refer to the conflicting class? In C++ it seems the way to do this is by using ::, and in Java there is something called global:: How do I do it in C#?

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  • Which namespace does operator<< (stream) go to?

    - by aaa
    If I have have some overloaded ostream operators, defined for library local objects, is its okay for them to go to std namespace? If I do not declare them in std namespace, then I must use using ns:: operator <<. As a possible follow-up question, are there any operators which should go to standard or global namespace?

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  • vim: Executing a list of editor commands

    - by gveda
    Hi, Is there a way in vim to give a list of editor commands? I want to execute a series of 'global' commands, and there is some pattern to the commands. So I would ideally like to generate the list of commands (using regex search & substitute), and then run them, instead of having to type in each command. Thanks! Gaurav

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  • A python code to convert a number from any base to the base of 10 giving errors . What is wrong with this code?

    - by mekasperasky
    import math def baseencode(number, base): ##Converting a number of any base to base10 if number == 0: return '0' for i in range(0,len(number)): if number[i]!= [A-Z]: num = num + number[i]*pow(i,base) else : num = num + (9 + ord(number[i])) *pow(i,base) return num a = baseencode('20',5) print a Errors I get are Traceback (most recent call last): File "doubtrob.py", line 19, in <module> a = baseencode('20',5) File "doubtrob.py", line 13, in baseencode if number[i]!= [A-Z]: NameError: global name 'A' is not defined

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  • How do you manage the namespaces of your extension methods?

    - by Robert Harvey
    Do you use a global, catchall namespace for all of your extension methods, or do you put the extension methods in the same namespace as the class(es) they extend? Or do you use some other method, like an application or library-specific namespace? EDIT: I ask because I have a need to extend System.Security.Principal.IIdentity, and putting the extension method in the System.Security.Principal namespace seems to make sense, but I've never seen it done this way.

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  • Globally disable Ext JS Animations

    - by ifwdev
    I'm testing an intranet web app in the iPad but the animations to open "windows" and show message boxes are horribly slow. I've tried setting the global Ext.enableFx to false, and confirmed that flag is still false after page load in Firebug. The animations are still occurring though so I must be doing something wrong. Thanks...

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  • How to adjust asp.net URL routing based on domain/host?

    - by DrewF
    What's the best way to adjust the path destination for a routing table created in the global.asax Application_Start event based on the domain/sub domain/host? The following worked in IIS6, but with IIS7 the request object is decoupled from the Application_Start event and therefore does not work anymore: Dim strHost As String = Context.Request.Url.Host Dim strDir As String = "" If strHost.Contains("domain1.com") Then strDir = "area1/" Else strDir = "area2/" End If routes.MapPageRoute("Search", "Search", "~/" & strDir & "search.aspx")

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  • thread management in nbody code of cuda-sdk

    - by xnov
    When I read the nbody code in Cuda-SDK, I went through some lines in the code and I found that it is a little bit different than their paper in GPUGems3 "Fast N-Body Simulation with CUDA". My questions are: First, why the blockIdx.x is still involved in loading memory from global to share memory as written in the following code? for (int tile = blockIdx.y; tile < numTiles + blockIdx.y; tile++) { sharedPos[threadIdx.x+blockDim.x*threadIdx.y] = multithreadBodies ? positions[WRAP(blockIdx.x + q * tile + threadIdx.y, gridDim.x) * p + threadIdx.x] : //this line positions[WRAP(blockIdx.x + tile, gridDim.x) * p + threadIdx.x]; //this line __syncthreads(); // This is the "tile_calculation" function from the GPUG3 article. acc = gravitation(bodyPos, acc); __syncthreads(); } isn't it supposed to be like this according to paper? I wonder why sharedPos[threadIdx.x+blockDim.x*threadIdx.y] = multithreadBodies ? positions[WRAP(q * tile + threadIdx.y, gridDim.x) * p + threadIdx.x] : positions[WRAP(tile, gridDim.x) * p + threadIdx.x]; Second, in the multiple threads per body why the threadIdx.x is still involved? Isn't it supposed to be a fix value or not involving at all because the sum only due to threadIdx.y if (multithreadBodies) { SX_SUM(threadIdx.x, threadIdx.y).x = acc.x; //this line SX_SUM(threadIdx.x, threadIdx.y).y = acc.y; //this line SX_SUM(threadIdx.x, threadIdx.y).z = acc.z; //this line __syncthreads(); // Save the result in global memory for the integration step if (threadIdx.y == 0) { for (int i = 1; i < blockDim.y; i++) { acc.x += SX_SUM(threadIdx.x,i).x; //this line acc.y += SX_SUM(threadIdx.x,i).y; //this line acc.z += SX_SUM(threadIdx.x,i).z; //this line } } } Can anyone explain this to me? Is it some kind of optimization for faster code?

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  • How To Add Custom ModelValidatorProviders To Web API Project?

    - by Mark S.
    I'm moving some MVC code to Web API and I need to update my custom ModelValidatorProviders. It seems as though my validators can stay much the same only they should inherit the System.Web.Http.Validation namespace. What I can't figure out is how to add the provider to Web API. When using MVC I can just add the following to my global.asax: ModelValidatorProviders.Providers.Add(new CustomModelValidatorProvider()); How do I use the custom provider with Web API?

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  • When are static class variables initialized during runtime?

    - by Jake
    Hi, I have the following: class Thing { static Thing PREDEFINED; type _private; Thing() { _private = initial_val; } } Thing Thing::PREDEFINED = redefined_val; in global scope, i have this Thing mything = Thing::PREDEFINED; but it does not have the desired effect. mything is still initial_value and there were no errors too. So, may I ask when is the static class variable initialized during runtime?

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  • What's the scope of a Python variable declared in an if statement?

    - by froadie
    I'm new to Python, so this is probably a simple scoping question. The following code in a Python file (module) is confusing me slightly: if __name__ == '__main__': x = 1 print x In other languages I've worked in, this code would throw an exception, as the x variable is local to the if statement and should not exist outside of it. But this code executes, and prints 1. Can anyone explain this behavior? Are all variables declared in a module global/available to the entire module?

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