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  • C# 4.0: Can I use a Color as an optional parameter with a default value?

    - by DTown
    public void log(String msg, Color c = Color.black) { loggerText.ForeColor = c; loggerText.AppendText("\n" + msg); } This results in an error that c must be a compile-time constant. I've read up on this a little and most examples are dealing with strings and ints. I've figured out I can use the colorconverter class but I'm not sure it will be very efficient. Is there a way to just pass a basic color as an optional parameter? public void log(String msg, String c = "Black") { ColorConverter conv = new ColorConverter(); Color color = (Color)conv.ConvertFromString(c); loggerText.ForeColor = color; loggerText.AppendText("\n" + msg); }

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  • Change connection on the fly

    - by aron
    Hello, I have a SQL server with 50 databases. Each one has the exact same schema. I used the awesome Subsonic 2.2 create the DAL based on one of them. I need to loop though a list of database names and connect to each one and perform an update one at a time. If there a way to alter how subsonic uses the connection string. I believe I would need to store the connection string in memory that way it can keep changing. Is this possible? I tried doing a ConfigurationManager.ConnectionStrings["theConnStrName"].ConnectionString = updated-connection-string-here; .. but that did not work thanks!

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  • XmlTextReader issue

    - by Stanislav Palatnik
    I'm try to parse this xml, but c# keeps throwing an exception saying it has invalid characters. I can't copy the text from the messagebox directly, so I've screened it. http://img29.imageshack.us/img29/694/xmler.jpg Here's the code to get the string string strRetPage = System.Text.Encoding.GetEncoding(1251).GetString(RecvBytes, 0, bytes); while (bytes > 0) { bytes = socket.Receive(RecvBytes, RecvBytes.Length, 0); strRetPage = strRetPage + System.Text.Encoding.GetEncoding(1251).GetString(RecvBytes, 0, bytes); } int start = strRetPage.IndexOf("<?xml"); string servReply = strRetPage.Substring(start); servReply = servReply.Trim(); servReply = servReply.Replace("\r", ""); servReply = servReply.Replace("\n", ""); servReply = servReply.Replace("\t", ""); XmlTextReader txtRdr = new XmlTextReader(servReply);

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  • Delphi -> Delphi prism, how to use array of records?

    - by Pierre
    Hi there. I'm learning Delphi Prism, and i don't find how to write the following code with it : type TRapportItem = record Label : String; Value : Int16; AnomalieComment : String; end; type TRapportCategorie = record Label : String; CategoriesItems : Array of TRapportItem; end; type TRapportContent = record Categories : array of TRapportCategorie; end; Then, somewhere, i try to put items in the array : rapport.Categories[i].Label:=l.Item(i).InnerText; But it doesn't work.. Can someone enlight me? Thanks!

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  • How do I return specific keys from the $_POST array?

    - by Brook
    I would like to check to see if there are any keys in $_POST that contain a string. The string will not be the full key, only part of the key. (ie. search string = "delRowID", $_POST key = "delRowID_16"). I have tried to use array_keys($_POST,"delRowID"), but it has never returned anything. CODE print_r($_POST); print_r(array_keys($_POST,"delRowID")); RETURNS Array ( [delRowID] => 29 [qAction] => [elmUpdateId] => [elmTtl] => [elmDesc] => [elmStr] => ) Array ( )

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  • lwp-rget changes file format automatically to .bin?

    - by Hector Tosado Jimenez
    Im trying to recursively get an html page to get everything that's there and save it to my directory. Lwp-rget from perl allows me to do this but I'm having the problem that its getting all the files and changing them from .rpm, .xml, .html, etc to .bin. I've been trying to maybe use the --keepext=application/xml or any type but it continues to save the file as .bin. Any way I can stop that auto formatting? Thanks.

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  • how to enable opengl 2.0 and webgl on gma 3150 on ubuntu?

    - by mahmoudelbadry
    hi, i have a dell mini 1012 which an intel n450 processor and gma 3150 integrated graphics card running ubuntu 10.10 according to the intel website the graphics card support opengl 2.0 http://software.intel.com/en-us/arti...ed-graphics/#9 but when i type glxinfo in terminal the opengl version string gives me the following OpenGL version string: 1.4 Mesa 7.9-devel i installed the latest drivers but it didn't work so, how can i enable opengl 2.0 on this card?? thanks

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  • Parsing a dynamic value with Lift-JSON

    - by Surya Suravarapu
    Let me explain this question with an example. If I have a JSON like the following: {"person1":{"name": "Name One", "address": {"street": "Some Street","city": "Some City"}}, "person2":{"name": "Name Two", "address": {"street": "Some Other Street","city": "Some Other City"}}} [There is no restriction on the number of persons, the input JSON can have many more persons] I could extract this JSON to Persons object by doing var persons = parse(res).extract[T] Here are the related case classes: case class Address(street: String, city: String) case class Person(name: String, address: Address, children: List[Child]) case class Persons(person1: Person, person2: Person) Question: The above scenario works perfectly fine. However the need is that the keys are dynamic in the key/value pairs. So in the example JSON provided, person1 and person2 could be anything, I need to read them dynamically. What's the best possible structure for Persons class to account for that dynamic nature.

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  • Setting property default values for a Web User Control

    - by Jeremy Holland
    I am trying to build a web user control and set some default values for its properties in the code-behind like this: [DefaultValue(typeof(int), "50")] public int Height { get; set; } [DefaultValue(typeof(string), "string.Empty")] public string FamilyName { get; set; } [DefaultValue(typeof(Color), "Orange")] public System.Drawing.Color ForeColor { get; set; } When I add the user control to the page and call it without any properties: <uc1:Usercontrol ID="uc" runat="server" /> the default values are not set and every property is 0 or null. What am I doing wrong? Thanks.

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  • Populate properties decorated with an attribute

    - by PUT
    Are there any frameworks that assist me with this: (thinking that perhaps StructureMap can help me) Whenever I create a new instance of "MyClass" or any other class that inherits from IMyInterface I want all properties decorated with [MyPropertyAttribute] to be populated with values from a database or some other data storage using the property Name in the attribute. public class MyClass : IMyInterface { [MyPropertyAttribute("foo")] public string Foo { get; set; } } [AttributeUsage(AttributeTargets.Property)] public sealed class MyPropertyAttribute : System.Attribute { public string Name { get; private set; } public MyPropertyAttribute(string name) { Name = name; } }

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  • Handling Data Hierarchies in code

    - by Miau
    Hi there So, say I have a string to parse with a given format that maps to a tree like data structure. The string is kinda similar to a folder path, and the structure is similar to a file structure, except its got some rules so for something@cat1@otherSomething you would get /something/cat1/otherSomething for something@cat2@otherSomething you would get /something/cat2/otherSomething other examples /OtherThing/cat1/otherSomething/Blah /OtherThing/cat4/otherSomething Where something, cat1, otherSomethign, etc are some sort of instances of ICategory There are certain rules that control what subcategories are valid and which subcategories are not acceptable, at the moment I m considering a heavy Object hierachy, but I know this is not a flexible solution, I d prefer the categories to be a bit more general but again, since there are rules about what can go next I m not sure how to do this. An example of a rule can be: OtherThing can only have subcategories cat1 and cat4 ( anything else is invalid) An option would be to use some sort of convention based aproach to instantiate a particular class given a subsection of the string(like cat4) but it seems a bit too complex, I m all ears Thanks

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  • Spring overloaded constructor injection

    - by noob
    This is the code : public class Triangle { private String color; private int height; public Triangle(String color,int height){ this.color = color; this.height = height; } public Triangle(int height ,String color){ this.color = color; this.height = height; } public void draw() { System.out.println("Triangle is drawn , + "color:"+color+" ,height:"+height); } } The Spring config-file is : <bean id="triangle" class="org.tester.Triangle"> <constructor-arg value="20" /> <constructor-arg value="10" /> </bean> Is there any specific rule to determine which constructor will be called by Spring ?

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  • Puzzle: Overload a C++ function according to the return value

    - by Motti
    We all know that you can overload a function according to the parameters: int mul(int i, int j) { return i*j; } std::string mul(char c, int n) { return std::string(n, c); } Can you overload a function according to the return value? Define a function that returns different things according to how the return value is used: int n = mul(6, 3); // n = 18 std::string s = mul(6, 3); // s = "666" // Note that both invocations take the exact same parameters (same types) You can assume the first parameter is between 0-9, no need to verify the input or have any error handling.

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  • Why would the first call to a KVC setter have an NSTextField instance as the argument?

    - by Stephen
    If I have a NSTextField bound through an NSObjectController to a model object, I would expect the setter of the model object to be called with an NSString as the argument, but instead, I receive the instance of the control that I am bound too the first time I am called. - (NSString *)property { NSLog(@"returning property"); return property; } - (void)setProperty:(NSString *)string { NSLog(@"recieved %@", string) } - (id) init { if (self = [super init]) { property = [[NSString alloc] initWithString:@"value"]; } NSLog(@"property is %@",property"); return self; } (The program doesn't run if you try anything in setProperty, because it tries to send NSString messages to string - which might be an NSTextField.) Console Output: 2010-05-12 14:19:14.096 Trouble[13108:10b] property is enter value 2010-05-12 14:19:14.100 Trouble[13108:10b] recieved <NSTextField: 0x1025210> 2010-05-12 14:19:14.106 Trouble[13108:10b] returning property

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  • Windows Azure access POST data

    - by Mohamed Nuur
    Ok, so I can't seem to find decent Windows Azure examples. I have a simple hello world application that's based on this tutorial. I want to have custom output instead of JSON or XML. So I created my interface like: [ServiceContract] public interface IService { [OperationContract] [WebInvoke(UriTemplate = "session/create", Method = "POST")] string createSession(); } public class MyService : IService { public string createSession() { // get access to POST data here: user, pass string sessionid = Session.Create(user, pass); return "sessionid=" + sessionid; } } For the life of me, I can't seem to figure out how to access the POST data. Please help. Thanks!

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  • How to save the content of Textbox into a textfile

    - by Owais Wani
    I have a textbox which has some content. I also have a button (SAVE) which shud open the FileSaveDialog and allow the content to be saved in a .txt file. XAML: <TextBox Height="93" IsReadOnly="True" Text="{Binding Path=ReadMessage, Mode=TwoWay}" Name="MessageRead" /> <Button Content="Save" Command="{Binding Path=SaveFileCommand}" Name="I2CSaveBtn" /> ViewModel: private string _readMessage = string.Empty; public string ReadMessage { get { return _readMessage; } set { _readMessage = value; NotifyPropertyChanged("ReadMessage"); } } public static RelayCommand SaveFileCommand { get; set; } private void RegisterCommands() { SaveFileCommand = new RelayCommand(param => this.ExecuteSaveFileDialog()); } private void ExecuteSaveFileDialog() { //What To Do HERE??? } What I basically need is to read the content of textbox, open a file save dialog and store it in a text file to be saved in my system.

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  • Return value changed after finally

    - by Nestor
    I have the following code: public bool ProcessData(String data) { try { result= CheckData(data); if (TextUtils.isEmpty(result)) { summary="Data is invalid"; return false; } ... finally { Period period = new Period(startTime, new LocalDateTime()); String duration = String.format("Duration: %s:%s", period.getMinutes(), period.getSeconds()); LogCat(duration); } return true; As I learned from this question, the finally block is executed after the return statement. So I modified my code according to that, and in the finally I inserted code that does not modify the output. Strangely, the code OUTSIDE the finally block does. My method always returns true. As suggested, it is not a good idea to have 2 return. What should I do?

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  • WatiN Testing and Connection Strings Fiasco

    - by azamsharp
    I have a separate project which performs watiN tests. The project is in the form of class library project. When I run test it launches the browser and then uses the Web.config of the Web Application Project which I am testing. The Web.config of web application project has the Dev connection string which should not be used for testing. What are different ways that I can take and tell my WatiN to use the App.config that is inside the WatiN project and not the Web application project? Here are couple of options that I have: 1) Replace the connection string at runtime. 2) Replace the connection string at pre-build event or something.

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  • Display values inside a JList -

    - by sharon Hwk
    I have a method that returns a HashMap, and is defined as follows; public HashMap<Integer, Animal> allAnimal(){ return returnsAHashMap; } Animal will have the following values in its class: public Animal{ int animalID; String animalName; // i have declared getters/setters } I have a GUI screen which has a JList and it's defined as: l = new JList(); l.setModel(new AbstractListModel() { String[] v = new String[] {"animal id 1", "2", "3"}; public int getSize() { return v.length; } public Object getElementAt(int index) { return v[index]; } }); What I want to do is to display the AnimalID's in the JList. I need to find a way to call the allAnimal() method and display all its Animal Id's in the JList. How can i do this ?

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  • c# const in jQuery?

    - by Cristian Boariu
    Hi guys, I have this piece of code in javascript: var catId = $.getURLParam("category"); In my asp.net and c# code for "category" query string i use a public const: public const string CATEGORY = "category"; so if i want to change the query string parameter to be "categoryTest" i only change this const and all the code is updated. Now the question is: how can i do something similar for the javascript i have in the same application (so i want to use the same constant)? I mean i want something like this: var catId = $.getURLParam(CQueryStringParameters.CATEGORY); but because there are none asp.net tags, my const is not interpreted... Any workaround?

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  • How do I read an HttpResponse in ASP.NET 2.0?

    - by David
    For example, I have an ASP.NET form that is called by another aspx: string url = "http://somewhere.com?P1=" + Request["param"]; Response.Write(url); I want to do something like this: string url = "http://somewhere.com?P1=" + Request["param"]; string str = GetResponse(url); if (str...) {} I need to get whatever Response.Write is getting as a result or going to url, manipulate that response, and send something else back. Any help or a point in the right direction would be greatly appreciated.

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  • easy asm program(nasm)

    - by GLeBaTi
    org 0x100 SEGMENT .CODE mov ah,0x9 mov dx, Msg1 int 0x21 ;string input mov ah,0xA mov dx,buff int 0x21 mov ax,0 mov al,[buff+1]; length ;string UPPERCASE mov cl, al mov si, buff cld loop1: lodsb; cmp al, 'a' jnb upper loop loop1 ;output mov ah,0x9 mov dx, buff int 0x21 exit: mov ah, 0x8 int 0x21 int 0x20 upper: sub al,32 jmp loop1 SEGMENT .DATA Msg1 db 'Press string: $' buff db 254,0 this code perform poorly. I think that problem in "jnb upper". This program make small symbols into big symbols.

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  • How to share a variable between two classes?

    - by Altefquatre
    How would you share the same object between two other objects? For instance, I'd like something in that flavor: class A { private string foo_; // It could be any other class/struct too (Vector3, Matrix...) public A (string shared) { this.foo_ = shared; } public void Bar() { this.foo_ = "changed"; } } ... // inside main string str = "test"; A a = new A(str); Console.WriteLine(str); // "test" a.Bar(); Console.WriteLine(str); // I get "test" instead of "changed"... :( I read there is some ref/out stuff, but I couldn't get what I'm asking here. I could only apply some changes in the methods scope where I was using ref/out arguments... I also read we could use pointers, but is there no other way to do it?

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  • SHA-256 encryption wrong result in Android

    - by user642966
    I am trying to encrypt 12345 using 1111 as salt using SHA-256 encoding and the answer I get is: 010def5ed854d162aa19309479f3ca44dc7563232ff072d1c87bd85943d0e930 which is not same as the value returned by this site: http://hash.online-convert.com/sha256-generator Here's the code snippet: public String getHashValue(String entity, String salt){ byte[] hashValue = null; try { MessageDigest digest = MessageDigest.getInstance("SHA-256"); digest.update(entity.getBytes("UTF-8")); digest.update(salt.getBytes("UTF-8")); hashValue = digest.digest(); } catch (NoSuchAlgorithmException e) { Log.i(TAG, "Exception "+e.getMessage()); } catch (UnsupportedEncodingException e) { // TODO Auto-generated catch block e.printStackTrace(); } return BasicUtil.byteArrayToHexString(hashValue); } I have verified my printing method with a sample from SO and result is fine. Can someone tell me what's wrong here? And just to clarify - when I encrypt same value & salt in iOS code, the returned value is same as the value given by the converting site.

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