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  • Silverlight Application

    - by Avijit Singh
    I have prepared a Silverlight application and my database is in the server. Its running smoothly for small set of data but for large data set giving an error : Remote Serve returned an error:notFound. How can i resolve it,please any one solve this problem. I have build it in ASP.NET with C#. So kindly provide the solution in C# if possible.

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  • Zaypay alternatives for payments using call or sms

    - by JohannesH
    We are currently trying to implement a payment provider in zaypay for paying for services using sms or by calling a number. We already have google checkout and paypal working for regular payments but zaypay is rather inflexible, poorly documented and a pain to setup when you have hundreds of products with varying prices. So my question is, do you know of any other european payment providers that take sms and call payments? As a response to Roberts answer/question Hi Robert, I must say that the Zaypay solution is the best and only I've seen thus far regarding phoned payments. However, since its now 2 months ago I finished the implementation of our custom Zaypay UI I can't remember much of the the details of the problems we were having. I'll try to give a brief of them anyways the best I can. First of all I would like to see a redirection type scenario for payalogues. From what I remember you guys are using the JS framework "Prototype" which doesn't play nice with jQuery which we are using so we weren't able to use the popup-type scenario supported by payalogues. Furthermore when implementing our custom interface I remember a lot of missing translations, like words that were codes instead of a word or a phrase. This meant we ended up writing/translating all the messages we needed ourselves. Also, another point of annoyance was the setup of prices and items. I wish we could just send in the order items/prices as a part of the interface like you can in Google Checkout or PayPal (not that they're flawless either), instead of having to define ALL the items you will ever sell through your admin interface beforehand. As far as I can remember it is virtually impossible to use Zaypay for a multi-item order in its current form. Finally there are, as far as I can tell, some security issues that you have to think about when you implement a custom solution... especially a ajax driven one. As I said in my original post you do mention this in the documentation but I believe the documentation wasn't that comprehensive regarding security issues. Again I wish I could give more details but the code & client is long since gone, so I can't look up the comments I wrote. Sorry! Oh yeah, the general API documentation weren't exactly comprehensive and 100% correct either. Again, I don't want to advice people against using Zaypay, I just want to advice that they should try it out first on a realistic prototype and think about their implementation before releasing to production. Maybe its just me who misunderstood a lot of things but I generally had a difficult time using your framework and I was left with a feeling that the API was very new and not thought through from the beginning.

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  • Help to understand and recode javascript function to deal with special characters.

    - by Cesar Lopez
    Hi all, I am trying to rewrite a javascript function since I was told this function its a bit nasty peace of code and it could be nicely written by a very kind user from here. I have been trying to understand what the function does, therefore I could rewrite it properly, but since I dont fully understand how it works its a very difficult task. Therefore I am looking for help and directions (NOT THE SOLUTION AS I WANT TO LEARN MYSELF) to understand and rewrite this function in a nicer way. The function its been made for dealing with special characters, and I know that it loops through the string sent to it, search for special characters, and add what it needs to the string to make it a valid string. I have been trying to use value.replace(/"/gi,"/""), but surely I am doing it wrong as it crashes. Could anybody tell me where to start to recode function? Any help would be appreciated. My comments on the function are in capital letters. Code <script type="text/javascript"> function convertString(value){ for(var z=0; z <= value.length -1; z++) { //if current character is a backslash||WHY IS IT CHECKING FOR \\,\\r\\n,and \\n? if(value.substring(z, z + 1)=="\\" && (value.substring(z, z + 4)!="\\r\\n" && value.substring(z, z + 2)!="\\n")) {//WHY IS IT ADDING \\\\ TO THE STRING? value = value.substring(0, z) + "\\\\" + value.substring(z + 1, value.length); z++; } if(value.substring(z, z + 1)=="\\" && value.substring(z, z + 4)=="\\r\\n") {//WHY IS IT ADDING 4 TO Z IN THIS CASE? z = z+4; } if(value.substring(z, z + 1)=="\\" && value.substring(z, z + 2)=="\\n") {//WHY IS IT ADDING 2 TO Z IN THIS CASE? z = z+2; } } //replace " with \" //loop through each character for(var x = 0; x <= value.length -1; x++){ //if current character is a quote if(value.substring(x, x + 1)=="\""){//THIS IS TO FIND \, BUT HAVENT THIS BEEN DONE BEFFORE? //concatenate: value up to the quote + \" + value AFTER the quote||WHY IS IT ADDING \\ BEFORE \"? value = value.substring(0, x) + "\\\"" + value.substring(x + 1, value.length); //account for extra character x++; } } //return the modified string return(value); } <script> Comments within the code on capital letters are my questions about the function as I mention above. I would appreciate any help, orientation, advise, BUT NOT THE SOLUTION PLEASE AS I DO WANT TO LEARN.

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  • How do I conditionally format a WPF TextBlock?

    - by Scott Ferguson
    I have a WPF TextBlock bound to a string. If that string is empty, I want the TextBlock to display a warning message in another colour. This is easy to do in code, I was wondering if there was a elegant WPF pure XAML solution for it? I have investigated Style Triggers, but the syntax doesn't come naturally to me. Thanks!

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  • No postback on any button click on ASP.NET 4.0 application

    - by Ashish Gupta
    The weird thing is If there is a javascript onClick() on a button, postback works otherwise, there is no postback. This was working very recently. I am not sure what recent changes made to the application made this happening throughout the site. The solution suggested by this link does not work as well (that link is applicable to .NET 1.1 though). Any idea whats going on?

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  • How to register file types/extensions with a WiX installer?

    - by OregonGhost
    I didn't find an explicit answer to this question in the WiX Documentation (or Google, for that matter). Of course I could just write the appropriate registry keys in HKCR, but it makes me feel dirty and I'd expect this to be a standard task which should have a nice default solution. For bonus points, I'd like to know how to make it "safe", i.e. don't overwrite existing registrations for the file type and remove the registration on uninstall only if it has been registered during installation and is unchanged.

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  • Implementing dynamic scope when using CPS as intermediate language

    - by asandroq
    I am currently studying the implementation of programming languages and became interested in using Continuation-Passing Style as the intermediate language of the compiler. I also want to implement limited dynamic scope (for exception-handling or Scheme parameter objects) but I cannot find the relevant literature. I think it can be done with a separate environment passed as a variable to every closure, but this solution seems ugly to me. Could anyone point me to the relevant literature, or give me an idea of how this can be done?

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  • Release notes for .net Builds using ndoc3

    - by user605097
    Actually i want to generate a release document for each and every builds so that developers can identify what is the difference between previous release and the new release example what are properties, method ,classes changed in previous build and new build in .net1.1,.net2.0,.net 3.5 builds so that developers can understand what are changes happened in there .net codes. Note : Iam using MSBuild on Nant script to compile dotnet solution. This is one of my longterm goal any people support will be a great thanks.

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  • siftware to manage applications within business.

    - by Richard Friend
    Hi I have been tasked to either find an off the shelf solution or to build inhouse some software that can maintain a list of all of the applications within our business, assign them to the different business areas that use them and list all the servers, documents, knowledge base etc that relate to the app in question. Does anyone know of any existing software that can do this ? Regards

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  • Using Entity Framework (code first) migrations in production

    - by devdigital
    I'm just looking into using EF migrations for our project, and in particular for performing schema changes in production between releases. I can see that generating SQL (delta) script files is an option, but is there no way of running the migrations programmatically on app start up? Will I instead need to add each delta script to the solution and write my own framework to apply them in order (from the current version to the latest) on bootstrap?

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  • Sound Manager Classes for Windows

    - by Yakov
    I need some classes for playing short wav sounds, this classes would load this wav files into memory when an instance created, play sounds in background when needed, release this wav files from memory when an instance disposed. How can I do this on C# for windows (.Net 2.0)? (Win API's sndPlaySound, OpenAL or may be any wrapper) Ideally I would love to find an exist solution that simple and able to solve my task. Do you know any solutions for this issue?

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  • Count max rectangles number, that can be placed inside character

    - by Nickolay
    Hi, I need a solution for quite complex problem. Exactly, I need to calculate the number of rectangles that can be placed inside letter/character with given size, considering that all rectangles are the same size, but it(the size) and the letter/character(of some regular specific font) itself can be changed by user(this will be used as webside calculator of signboard price). If describe this graphically, it looks like this. Any ideas or useful links will be much appreciated. Thanks in advance

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  • Getting relative path from absolute path in PHP

    - by SpawnCxy
    I noticed that there're some similar questions about this problem when I typed the title,but they seem not be in PHP.So what's the solution to it with a PHP function? To be specified. $a="/home/apache/a/a.php"; $b="/home/root/b/b.php"; $relpath = getRelativePath($a,$b);//needed function,should return '../../root/b/b.php' Any good ideas?Thanks.

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  • How do I destruct data associated with an object after the object no longer exists?

    - by Phineas
    I'm creating a class (say, C) that associates data (say, D) with an object (say, O). When O is destructed, O will notify C that it soon will no longer exist :( ... Later, when C feels it is the right time, C will let go of what belonged to O, namely D. If D can be any type of object, what's the best way for C to be able to execute "delete D;"? And what if D is an array of objects? My solution is to have D derive from a base class that C has knowledge of. When the time comes, C calls delete on a pointer to the base class. I've also considered storing void pointers and calling delete, but I found out that's undefined behavior and doesn't call D's destructor. I considered that templates could be a novel solution, but I couldn't work that idea out. Here's what I have so far for C, minus some details: // This class is C in the above description. There may be many instances of C. class Context { public: // D will inherit from this class class Data { public: virtual ~Data() {} }; Context(); ~Context(); // Associates an owner (O) with its data (D) void add(const void* owner, Data* data); // O calls this when he knows its the end (O's destructor). // All instances of C are now aware that O is gone and its time to get rid // of all associated instances of D. static void purge (const void* owner); // This is called periodically in the application. It checks whether // O has called purge, and calls "delete D;" void refresh(); // Side note: sometimes O needs access to D Data *get (const void *owner); private: // Used for mapping owners (O) to data (D) std::map _data; }; // Here's an example of O class Mesh { public: ~Mesh() { Context::purge(this); } void init(Context& c) const { Data* data = new Data; // GL initialization here c.add(this, new Data); } void render(Context& c) const { Data* data = c.get(this); } private: // And here's an example of D struct Data : public Context::Data { ~Data() { glDeleteBuffers(1, &vbo); glDeleteTextures(1, &texture); } GLint vbo; GLint texture; }; }; P.S. If you're familiar with computer graphics and VR, I'm creating a class that separates an object's per-context data (e.g. OpenGL VBO IDs) from its per-application data (e.g. an array of vertices) and frees the per-context data at the appropriate time (when the matching rendering context is current).

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  • Changing CSS for Last li

    - by PF1
    Hi Everyone: I am wondering if there is some way to change a css attribute for the last li in a list using CSS. I have looked into using :last-child, but this seems really buggy and I can't get it to work for me. I will use Javascript to do this if necessary, but I want to know if anyone can think up a solution in CSS. Thanks for any help!

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  • Hashtable/Dictionary but with key composed of multiple values?

    - by MC
    Lets say I have an object that has stringProp1, stringProp2. I wish to store each combination of stringProp1, stringProp2 in a Dictionary. Initially I was storing the key as key = stringProp1+stringProp2 but this can actually cause a bug depending on the 2 values. Is the best solution for this problem to create a custom dictionary class or is there a better way using built-in .NET classes?

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  • Odd behavior when recursively building a return type for variadic functions

    - by Dennis Zickefoose
    This is probably going to be a really simple explanation, but I'm going to give as much backstory as possible in case I'm wrong. Advanced apologies for being so verbose. I'm using gcc4.5, and I realize the c++0x support is still somewhat experimental, but I'm going to act on the assumption that there's a non-bug related reason for the behavior I'm seeing. I'm experimenting with variadic function templates. The end goal was to build a cons-list out of std::pair. It wasn't meant to be a custom type, just a string of pair objects. The function that constructs the list would have to be in some way recursive, with the ultimate return value being dependent on the result of the recursive calls. As an added twist, successive parameters are added together before being inserted into the list. So if I pass [1, 2, 3, 4, 5, 6] the end result should be {1+2, {3+4, 5+6}}. My initial attempt was fairly naive. A function, Build, with two overloads. One took two identical parameters and simply returned their sum. The other took two parameters and a parameter pack. The return value was a pair consisting of the sum of the two set parameters, and the recursive call. In retrospect, this was obviously a flawed strategy, because the function isn't declared when I try to figure out its return type, so it has no choice but to resolve to the non-recursive version. That I understand. Where I got confused was the second iteration. I decided to make those functions static members of a template class. The function calls themselves are not parameterized, but instead the entire class is. My assumption was that when the recursive function attempts to generate its return type, it would instantiate a whole new version of the structure with its own static function, and everything would work itself out. The result was: "error: no matching function for call to BuildStruct<double, double, char, char>::Go(const char&, const char&)" The offending code: static auto Go(const Type& t0, const Type& t1, const Types&... rest) -> std::pair<Type, decltype(BuildStruct<Types...>::Go(rest...))> My confusion comes from the fact that the parameters to BuildStruct should always be the same types as the arguments sent to BuildStruct::Go, but in the error code Go is missing the initial two double parameters. What am I missing here? If my initial assumption about how the static functions would be chosen was incorrect, why is it trying to call the wrong function rather than just not finding a function at all? It seems to just be mixing types willy-nilly, and I just can't come up with an explanation as to why. If I add additional parameters to the initial call, it always burrows down to that last step before failing, so presumably the recursion itself is at least partially working. This is in direct contrast to the initial attempt, which always failed to find a function call right away. Ultimately, I've gotten past the problem, with a fairly elegant solution that hardly resembles either of the first two attempts. So I know how to do what I want to do. I'm looking for an explanation for the failure I saw. Full code to follow since I'm sure my verbal description was insufficient. First some boilerplate, if you feel compelled to execute the code and see it for yourself. Then the initial attempt, which failed reasonably, then the second attempt, which did not. #include <iostream> using std::cout; using std::endl; #include <utility> template<typename T1, typename T2> std::ostream& operator <<(std::ostream& str, const std::pair<T1, T2>& p) { return str << "[" << p.first << ", " << p.second << "]"; } //Insert code here int main() { Execute(5, 6, 4.3, 2.2, 'c', 'd'); Execute(5, 6, 4.3, 2.2); Execute(5, 6); return 0; } Non-struct solution: template<typename Type> Type BuildFunction(const Type& t0, const Type& t1) { return t0 + t1; } template<typename Type, typename... Rest> auto BuildFunction(const Type& t0, const Type& t1, const Rest&... rest) -> std::pair<Type, decltype(BuildFunction(rest...))> { return std::pair<Type, decltype(BuildFunction(rest...))> (t0 + t1, BuildFunction(rest...)); } template<typename... Types> void Execute(const Types&... t) { cout << BuildFunction(t...) << endl; } Resulting errors: test.cpp: In function 'void Execute(const Types& ...) [with Types = {int, int, double, double, char, char}]': test.cpp:33:35: instantiated from here test.cpp:28:3: error: no matching function for call to 'BuildFunction(const int&, const int&, const double&, const double&, const char&, const char&)' Struct solution: template<typename... Types> struct BuildStruct; template<typename Type> struct BuildStruct<Type, Type> { static Type Go(const Type& t0, const Type& t1) { return t0 + t1; } }; template<typename Type, typename... Types> struct BuildStruct<Type, Type, Types...> { static auto Go(const Type& t0, const Type& t1, const Types&... rest) -> std::pair<Type, decltype(BuildStruct<Types...>::Go(rest...))> { return std::pair<Type, decltype(BuildStruct<Types...>::Go(rest...))> (t0 + t1, BuildStruct<Types...>::Go(rest...)); } }; template<typename... Types> void Execute(const Types&... t) { cout << BuildStruct<Types...>::Go(t...) << endl; } Resulting errors: test.cpp: In instantiation of 'BuildStruct<int, int, double, double, char, char>': test.cpp:33:3: instantiated from 'void Execute(const Types& ...) [with Types = {int, int, double, double, char, char}]' test.cpp:38:41: instantiated from here test.cpp:24:15: error: no matching function for call to 'BuildStruct<double, double, char, char>::Go(const char&, const char&)' test.cpp:24:15: note: candidate is: static std::pair<Type, decltype (BuildStruct<Types ...>::Go(BuildStruct<Type, Type, Types ...>::Go::rest ...))> BuildStruct<Type, Type, Types ...>::Go(const Type&, const Type&, const Types& ...) [with Type = double, Types = {char, char}, decltype (BuildStruct<Types ...>::Go(BuildStruct<Type, Type, Types ...>::Go::rest ...)) = char] test.cpp: In function 'void Execute(const Types& ...) [with Types = {int, int, double, double, char, char}]': test.cpp:38:41: instantiated from here test.cpp:33:3: error: 'Go' is not a member of 'BuildStruct<int, int, double, double, char, char>'

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  • which is the most secure way to check variables type javascript

    - by mck89
    Hi, i need to check the type of a variable in javascript, i know 3 ways to do it: instanceof operator: if(a instanceof Function) typeof operator: if(typeof a=="function" toString method (jQuery uses this): Object.prototype.toString.call(a) == "[object Function]" Which is the most secure way to do type checking beetween these solutions? and why? Please don't tell me that the last solution is better only because jQuery uses that.

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  • Get a list/tuple/dict of the arguments passed to a function?

    - by digitala
    Given the following function: def foo(a, b, c): pass How would one obtain a list/tuple/dict/etc of the arguments passed in, without having to build the structure myself? Specifically, I'm looking for Python's version of JavaScript's arguments keyword or PHP's func_get_args() method. What I'm not looking for is a solution using *args or **kwargs; I need to specify the argument names in the function definition (to ensure they're being passed in) but within the function I want to work with them in a list- or dict-style structure.

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  • Multi Process Configuration

    - by user200937
    Hi, I have a product built out of multiple processes. Each process uses internally commons configuration. Does anyone have an idea how to manage the config? I.e. we do not want to duplicate variables so each process will be able to read them. Additionally, DB solution is no good, as we do not want to be dependent on DB for something like configuration. Thanks Yair

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  • C# DateTime Class and Datetime in database

    - by Spyros
    Hello . I have the following problem. I have an object with some DateTime properties , and a Table in database that I store all that objects , in Sql server I want to store the DateTime properties in some columns of DateTime Datatype, but the format of datetime in sql server is different from the DateTime class in c# and I got an sql exception saying "DateTime cannot be parsed". I know how to solve this by making the format yyyy-MM-dd but is this the proper and best solution to do this?

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