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• Postion of & or * to denote reference type or pointer

  - by Matt H

  I was wondering whether to put the ampersand (&) after the variable type or before the variable name. To put it simply, I want to know which one is the conventional style or the standard, or if it is entirely down to preference. int &x; int *x; or int& x; int* x;

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• MySQL VARCHAR like Data type with MIN and MAX character lengths

  - by Phill Pafford

  Looking for a data type that is similar to VARCHAR as to the values I would like, but is there a way to have a MIN/MAX character length? VARCHAR(6,10) This would have a minimum of 6 characters and a maximum of 10 characters.

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• How to make movable type to use relative path

  - by haohaolee

  Commonly movable type will publish HTML files which contains absolute path, but if I want to host the site under different domain(e.g., both HTTP and HTTPS), it is very inconvenient. So is there a way to change all the paths to resource of my site to absolute ones? Thanks

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• Entity Framework and Modeling Collections with an Interface as a return type

  - by William

  I am using Entity Framework v4. I have created a POCO class that contains a bunch of scalar properties and a collection that returns an Interface type. How do I create this relationship in the EF model? How do I show a collection that contains different items but they all have a common interface?

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• Check that integer type belongs to enum member

  - by Alexander Stalt

  Hi! I want to check that some integer type belongs to (an) enumeration member. For Example, public enum Enum1 { member1 = 4, member2 = 5, member3 = 9, member4 = 0 } Enum1 e1 = (Enum1)4 gives me member1 Enum1 e2 = (Enum1)10 gives me nothing and I want to check it.

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• return type of main in java

  - by girinie

  Hi I like to know why only void return type for main method in java. public static void main(String [] args) Why there is no other return types other than void for main method. Thanks

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• How to get Class type

  - by Tomáš

  Hi gurus How to determine Class type of Object in collection? class Human{...} class Man extends Human{...} class Women extends Human{...} def humans = Human.findAll() humans.each(){ human -> // ??? , it is not work if ( human instanceof Man ) { println "Man" } if ( human instanceof Woman ) { println "Woman" } } Thanks a lot, Tom

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• Error: The conversion of a nvarchar data type to a datetime data type resulted in an out-of-range value

  - by CPM

  I know that there are simmilar questions like this on the forum, however I am still having problems to update a datetime field o the database. I dont get any problems when inserting but I get problems when updating and I am formating the same way , like this: e.Values.Item("SelectionStartDate") = Format(startdate, "yyyy-MM-dd") + " " + startTime1 + ".000" startTime is of type string. I have tried different solution that I came across on the internet but still get this error. Please help. Thanks in advance

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• How to edit cell of type Linkcolumn in a gridview

  - by ronny

  I have a gridview control having 4 columns. one of the column is of type linkcolumn. user has to enters data for each column. How can we edit link column cell. if i click on this cell nothing happen.i set its readonly to false also.

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• Remove Specific Type of Children from Grid Control

  - by Asim Sajjad

  I wan to remove suppose control whose type is of border, from the grid control. how can I achieve it in WPF C# ?

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• exception of type 'system.outofmemoryexception' was thrown

  - by SmartDev

  Hi , My page throws error exception of type 'system.outofmemoryexception' was thrown . This happens when i press submit button in submit button there are sqlconnections with stored procedure as im populating grid with data . It gives error when i put code in submit button. But when i put tht on page load it works good . Can anyone help me on this . Thanks, Smartdev

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• NSMutableArray with only a particular type of objects

  - by Leo

  Hello, is it possible to specify that a NSMutableArray can only contain a certain type of objects. For example, if I want to store only this kind of objects : @interface MyObject : NSObject { UInt8 value; } In order to be able to use the instance variable like this : - (void)myMethod:(NSMutableArray *)myArray{ for (id myObject in myArray){ [self otherMethod:myObject.value]; } } because I'm getting this error : request for member 'value' in something not a structure or union Thank you for your help

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• Maximum number of type parameters used in a java class

  - by True Soft

  What is the maximum number of type parameters you used in a java class? Example for 4: class MyClass<A, B, C, D> { }

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• Ruby: Having trouble pulling data from this class

  - by Shpigford

  So here's the output of inspect on a class: <Recurly::BillingInfo::CreditCard:0x1036a8a98 @prefix_options={}, @attributes={"month"=>1, "last_four"=>"1", "type"=>"bogus", "year"=>2010}> I'm trying to get the type attribute but seems that might be some sort of reserved word? Here's the full rundown of what I'm trying to do @charges = Recurly::BillingInfo.find('123') @charges.credit_card.type So, how can I get type from that?

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• Load any file type into matlab

  - by Tim

  I have a matlab GUI....I'd like to load ANY file type(doc,txt,dat,xls) into matlab as a matrix through the GUI...I'd appreciate any help I can get!!

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• How to get a glyph outline of a true type character on a linux system

  - by chrmue

  Hello, I'm searching for a library to get the outline of a glyph in a true type font on a linux system. We are using Pango and Cairo but unfortunatly I didn't find anything. I'm looking for somethig similar to GlyphTypeface.GetGlyphOutline under .NET Any help or hints are appreciated! Thanks in advance

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• Java spring framework - how to set content type?

  - by Jon morgan

  Hi, I have a spring action that I am rendering some json from the controller, at the minute its returning the content type 'text/plain;charset=ISO-8859-1'. How can I change this to be 'application/json'? Thanks Jon

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• Ctor not allowed return type.

  - by atch

  Having code: struct B { int* a; B(int value):a(new int(value)) { } B():a(nullptr){} B(const B&); } B::B(const B& pattern) { } I'm getting err msg: 'Error 1 error C2533: 'B::{ctor}' : constructors not allowed a return type' Any idea why? P.S. I'm using VS 2010RC

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• Determining credit/debit card type

  - by ct2k7

  Hi, I'm writing a POS application for the iPhone/iPod combination, using the same exact hardware used in Apple Stores:: EasyPay. Ok, my hurdle is this: how do I identify which credit card type is being used as text is entered in the uitextfield? I assume I've to use textField:shouldChangeCharactersInRange:replacementString:? However, I've got ideas floating around, but I simple cannot put them together to form code :/ Any help is appreciated! Thanks in advanced :D

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• Drupal: re-use same CCK Field in the same content type

  - by Patrick

  hi, I need a sequence of text, image, video CCK fields, repeated twice in my content type. I need to create 2 different groups (I don't want to use multi-upload functionality). I was wondering if I have to create a new field Image - File Upload for the second group, or I can somehow to re-use the first one (which is already added, and I would like to add it twice in the second group as well). thanks

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• C++ Using a class template argument as a template argument for another type

  - by toefel

  Hey Everyone, I'm having this problem while writing my own HashTable. It all works, but when I try to templatize the thing, it gave me errors. I recreated the problem as follows: THIS CODE WORKS: typedef double Item; class A { public: A() { v.push_back(pair<string, Item>("hey", 5.0)); } void iterate() { for(Iterator iter = v.begin(); iter != v.end(); ++iter) cout << iter->first << ", " << iter->second << endl; } private: vector<pair<string, double> > v; typedef vector< pair<string, double> >::iterator Iterator; }; THIS CODE DOES NOT: template<typename ValueType> class B { public: B(){} void iterate() { for(Iterator iter = v.begin(); iter != v.end(); ++iter) cout << iter->first << ", " << iter->second << endl; } private: vector<pair<string, ValueType> > v; typedef vector< pair<string, ValueType> >::iterator Iterator; }; the error messages: g++ -O0 -g3 -Wall -c -fmessage-length=0 -omain.o ..\main.cpp ..\main.cpp:50: error: type std::vector<std::pair<std::string, ValueType>, std::allocator<std::pair<std::string, ValueType> > >' is not derived from typeB' ..\main.cpp:50: error: ISO C++ forbids declaration of `iterator' with no type ..\main.cpp:50: error: expected `;' before "Iterator" ..\main.cpp: In member function `void B::iterate()': ..\main.cpp:44: error: `Iterator' was not declared in this scope ..\main.cpp:44: error: expected `;' before "iter" ..\main.cpp:44: error: `iter' was not declared in this scope Does anybody know why this is happening? Thanks!

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• Detecting type of webservice in httpmodule

  - by Marcus

  Hi, Is there any way to detect the type of a webservice inside a httpmodule? The reason for this is that I want to do some property injection to the webservice before it's processed. I found this: http://social.msdn.microsoft.com/Forums/en/asmxandxml/thread/0e848eee-d353-4e67-b47f-89fddb600009 but that is one h..l of an ugly solution. Anyone have a nice solution?

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• Getting name and type of a struct field from its object

  - by Aamir

  For example, I have a struct which is something like this: struct Test { int i; float f; char ch[10]; }; And I have an object of this struct such as: Test obj; Now, I want to programmatically get the field names and type of obj. Is it possible? This is C++ BTW.

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• Postgres 8.3: "ERROR: cached plan must not change result type"

  - by Jin Kim

  This exception is being thrown by the PostgreSQL 8.3 server to my application. Does anyone know what this error means and what I can do about it? ERROR: cached plan must not change result type STATEMENT: select code,is_deprecated from country where code=$1

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• Detect network connection type on Android

  - by hgpc

  How do you detect the network connection type on Android? Is it through ConnectivityManager.getActiveNetworkInfo().getType(), and the answer is limited to Wifi and mobile?

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