Play2.1 Json.validate compiler error "type mismatch; found : *** required: play.api.libs.json.Reads[?]" |
jsonR.validate(Inspection)
should be just
jsonR.validate()
, as you have defined the implicit Reads object that will be used for
parsing.
|
Error with Maven/Scala: error: not found: type classOf |
You're trying to input a class object (the object that represents a class)
as a type identifier (the identifier of a class, consisting of its name and
generic constraints in case of generic classes) . Just use VolatilityImpl
directly, i.e. :
class ScalaHibernateVolatilityDaoImpl(persistentClass : VolatilityImpl)
This is unrelated to Maven, by the way.
|
Scala type mismatch: default.type (with underlying type A1 => B1) |
Strange, as soon as I renamed default variable, everything compiled fine:
scala> def composeHandlingFuture[T](fut: Future[T], x: T): Future[T] =
| fut recover { case e: Exception => x }
composeHandlingFuture: [T](fut: scala.concurrent.Future[T], x:
T)scala.concurrent.Future[T]
|
Django-CMS Type Error "a float is required" |
As I wondered, the problem was that I was accessing the site using my
temporary link from BlueHost, which the function throwing the error could
not handle.
When my clients finally pointed their domain name at the server this
problem and a few others (CSS inconsistencies in the Django admin, trouble
with .htaccess) disappeared. Everything is up now and working fine.
|
maven error message "1 required artifact is missing" |
It seems like you have one maven-Projekt " iseek-content-fetcher-fb" that
you are working on and which your reference via dependency in another local
project.
Maven do not scan your projects in eclipse target folder. It is only aware
of maven-artifacts in your local-repository "~/.m2" or remote-repository
like http://mvnrepository.com/.
You have to compile and install your maven project to local repository
with: mvn install
install - install the package into the local repository, for use as a
dependency in other projects locally
|
Typescript Error Message error TS2173: Generic type references must include all type arguments |
That line should have been:
promise(type?: any, target?: any): JQueryPromise<any>;
I'll send them a pull request. Thanks.
JQueryPromise is a generic interface. i.e. it takes type parameters.
Starting with TS 0.9.1.1 they are more strict about generic parameters.
They must be specified from now on. This was allowed in previous versions
(where the type was assumed to any implicitly) but the compiler analysis is
stricter now (and the type must be specified explicitly).
|
spring mvc @Autowired error Unsatisfied 'required' dependency of type |
Your application context and servlet context are component scanning over
the same packages.
Your application context
<context:component-scan base-package="com.yes" />
Versus everything in servlet context
<context:component-scan base-package="com.yes.service"/>
<context:component-scan base-package="com.yes.controller"/>
<context:component-scan base-package="com.yes.domain"/>
<context:component-scan base-package="com.yes.repository"/>
<context:component-scan base-package="com.yes.dto"/>
So some beans will be overriden. You don't want this. Your servlet context
should scan for @Controller beans. Your application context should scan for
everything else, but don't make your application context scan for things
already scanned by your child (imported) d
|
Error: Array type has incomplete element type and binary operand error |
for "My first question: What does array type has incomplete element type
mean?"
this error occur because in c language you need to specify the array size
if you are not declaring it like
int arr[] = {6,1,2,3};
otherwise
it should be int arr[<size of the array>];
for invalid operands to binary * error?
it occurs because you are trying to multiply int and int * values
consider seeing this
http://forums.devshed.com/c-programming-42/dynamic-arrays-with-undeclared-size-62036.html
and read some more tutorials about pointers and arrays and how to mix them
|
While using Table Type data type in PL/SQL getting 'NO DATA FOUND' error |
In your code i is an index. It steps through the bounds monotonically. So
if your minimum EMPNO is 1234 and your maximum EMPNO is 5678 the values of
i will be 1234, 1235, 1236 ... 5676, 5677, 5678.
But that probably is what you want to do, because EMPNO is likely to be a
sparse array, with missing numbers. So if you have no row in EMP where
EMPNO=1235 your query will throw NO_DATA_FOUND.
What's the solution? Use a bulk collect instead:
select *
bulk collect into v_emp
from emp ;
That will select all the rows in the table, and it will be more efficient
as well.
|
Scala Type Mismatch underlying type and class vs method |
The problem in your code is type parameter shadowing.
You have:
class ThreeStacks[A, B, C](val stackSize:Int = 1000) {
def push1[A](value: A): Unit = stack1.push(value)
...
}
It should be:
class ThreeStacks[A, B, C](val stackSize:Int = 1000) {
def push1(value: A): Unit = stack1.push(value)
...
}
The way you have done it, type parameter A of class ThreeStacks and type
parameter A of method push1 are completely different ones and thus, are
incompatible with each other.
The same applies to B and C.
|
Does a variable of an interface type act as value type if the underlying implementation is a struct? |
No, interface is a contract, to make it work properly you need to use ref
keyword.
public void SetInterfaceProp(ref IMyInterface thingy)
{
thingy.desc = "the implementing type is a struct";
}
What matters here is a real type that stays inside that interface wrap.
To be more clear:
even if code with method SetInterfaceProp defined like
public void SetInterfaceProp(IMyInterface thingy)
{
thingy.desc = "the implementing type is a struct";
}
will work:
IMyInterface inter= default(MyStruct);
SetInterfaceProp(inter);
this one will not :
MyStruct inter = default(MyStruct);
SetInterfaceProp(inter);
You can not gurantee that the caller of your method will always use
IMyInterface, so to guarantee expected behavior, in this case, you can
define ref keyword, that will guaran
|
A missing or empty content type header was found when trying to read a message. The content type header is required |
Thanks Vitek Karas MSFT for your suggestion. The issue is sovled by
installing the latest version of WCF Data Services 5.6.0. and thanks to
Maikel who tried in on our dev and was able to solve the issue.
|
The type or namespace name 'oracle' could not be found error |
In the install location of the pack you downloaded there is
Oracle.DataAccess.dll
which you should reference.
Here is a guide doing exactly that.
|
I get the error Property '...' not found on object of type '...' |
I'm confused as to why you are declaring SecondViewController twice. You
seem to do so both in FirstViewControler.h and in its own .h file.
Regardless, your issue seems to be that you have given SecondViewController
the property which you are trying to access. Reread your own code:
@interface SecondViewController : UIViewController
@property(strong,nonatomic)SecondViewController *secondViewController;
@end
What you want in your FirstViewController.h file is this:
#import <UIKit/UIKit.h>
#import "SecondViewController.h"
@interface FirstViewController : UIViewController
@property (strong, nonatomic) IBOutlet UIImageView *bGround;
@property(strong,nonatomic)SecondViewController *secondViewController;
- (IBAction)settingsPressed:(id)sender;
- (IBAction)startPressed:(id)sender
|
error CS0246: The type or namespace name 'Form1' could not be found |
This is typically cause when you add a new file to your solution but don't
commit them.
Check to make sure that Form1.cs and Form1.Designer.cs have been added to
your source control repository. It looks like your project file was added
and committed correctly but some source control tools require you to
manually add new files before committing them.
|
Error CS0246: The type or namespace name 'AssemblyFileVersion' could not be found |
Please try this: Put all those libraries on your build machine. Use NuGet
to manage the packages and configure it to pull down the libraries that are
missing. You may either want to add them manually.
|
How to convert nullable type to its underlying type? |
But it supports nullable types, AllowDbNull is true by default:
var table = new DataTable();
table.Columns.Add("NullableInt", typeof(int));
table.Rows.Add(1);
table.Rows.Add(2);
table.Rows.Add(3);
table.Rows.Add((int?)null);
Use the DataRow extension methods which support nullable types, for
example:
foreach(DataRow row in table.Rows)
{
int? value = row.Field<Int32?>("NullableInt");
// modify the value with SetField:
row.SetField<Int32?>("NullableInt", null);
// or:
row.SetField("NullableInt", (int?)null);
}
|
Why When I Type "POST" Method for Wcf Service It Gives "Endpoint not found" Error? |
I don't think your UriTemplate needs to have query string info in it any
more:
UriTemplate = "DoWork?params[document]={document}"
Try using just:
UriTemplate = "DoWork"
|
Property 'frame' not found on object of type 'UISearchBar' error |
UISearchBar is a class. It doesn't have a class method setFrame. It does
have an instance method though and that's what you should be using. So, you
need an instance of UISearchBar, either that you already have or you need
to create one.
If this is being done when the search bar is selected, your code would be
in the delegate method searchBarTextDidBeginEditing: and you would use the
supplied parameter:
[searchBar setFrame:CGRectMake(newX, newY, searchBar.frame.size.width,
yourSearchBar.frame.size.height)];
|
Spring mvc data document error : No property execute found for type |
I can't explain why, but if I change the implements of the repository from
public interface AdRepository extends MongoRepository<Ad, String>,
MongoOperations{}
to
public interface AdRepository extends MongoRepository<Ad, String>{}
The problem gone.
Maybe MongoRepository and MongoOperations cause some kind of conflict, I
have no idea.
|
Property not found on object of type error with method declaration in Objective C |
Maybe because you're using the dot notation in a case where it doesn't make
much sense :
in useFlattenHTML method, self.flattenHTML is the same as [self
flattenHTML], which doesn't exist, as you only have [self
flattenHTML:someString].
On top of that, dot notation is possible, but you should keep it for fields
declared as @property only
|
Struts2 & Spring error: No qualifying bean of type found for dependency |
I've found two solutions for this problem.
Since I am using Java configuration for Spring, I had to ensure that my
contextConfigLocation was set properly.
I am using a jar file that contains beans with Spring stereotypes, so I had
to ensure that the jar file was being properly built in eclipse. When
building the jar file, I had to ensure that the Add Directory entries
options was checked.
These two steps solved this problem.
I hope this helps!
|
Spring Autowire fails with No qualifying bean of type found for dependency error |
Change @Service("CommonSQLService") to @Service("commonSQLService") or you
can just use @Service if you're not implementing the CommonSQLService
interface anywhere else.
|
'Error 32 The type or namespace name 'ConnectionHelper' could not be found (are you missing a using directive or an assembly reference?)' |
Your problem seems to be that your class is DBConnectionHelper, not
ConnectionHelper so your code should be:
using (var cn = DBConnectionHelper.GetConnection())
Your line of code using DBConnectionHelper; is not useful. using statements
are for including namespaces as shortcuts but this isn't a namespace.
|
Why am i getting this error? binary '==' : no operator found which takes a left-hand operand of type 'std::string' |
The problem is that you're comparing the string object to a character in
your computeValue function. There no overload of operator == in the std
namespace which takes both a std::string and a char, hence the error.
You should be using char instead of a std::string if you only need a
character as input.
char getOperation()
{
std::cout << "Please enter the operator. + - * /" <<
std::endl;
char userOperator;
std::cin >> userOperator;
return userOperator;
}
Your parameter should also take a char:
float computeValue(float value1, float value2, char operation)
// ^^^^
|
Compilation error :type mismatch found when validating sign up form passwords in scala |
Contact.password is a String, but in mapping password field is a (String,
String). You can not use tuple instead of String parameter in
Contact.apply.
You should transform your Mapping[(String, String)] to Mapping[String] like
this:
"password" -> tuple(
"main" -> text(minLength = 6),
"confirm" -> text
).verifying(
// Add an additional constraint: both passwords must match
"Passwords don't match", ps => ps._1 == ps._2
).transform[String]({ps => ps._1}, {p => p -> p})
Ugly solution:
mapping(
...
"password" -> tuple(
"main" -> text(minLength = 6),
"confirm" -> text
).verifying(
// Add an additional constraint: both passwords must match
"Passwords don't match", ps => ps._1 == ps._2
)
...
){
(firstname: String, la
|
I found this error (Sending 'const uint8_t (*)[kStreamChunkSize]' to parameter of type 'void *' discards qualifiers)? |
It discards the const qualifier and that's a problem. getBytes: gets the
bytes by writing them into the array passed in. However, you can't write in
an array of const bytes (doing so invokes undefined behavior), that's what
const means. Change the declaration of your array to
uint8_t bytes[kStreamChunkSize];
Furthermore, don't pass a pointer to the array - if you simply use its name
without the & operator, it will decay into a pointer to its first
element anyway.
|
C# Linq error msg "could not find an implementation of the query pattern for source type 'double?'. 'Select' not found |
db.Balance is a double?.
Unless you have a very weird set of extension method, you can only run LINQ
queries over a collection; namely, IEnumerable<T>.
|
Code Sign error: code signing is required for product type 'Application' in SDK 'iOS 6.1' |
If you're trying to test the app on your device, check everything in that
box to code sign with your developer identity. If you're submitting for
distribution, then check everything to sign with your distribution profile.
If that doesn't do the trick, go into your organizer (Shift + Command + 2),
click "provisioning profiles" from the pane in the top left, and make sure
that your provisioning profile is in there, and that it says "valid
profile" to the right of it. Let me know if you have any questions in the
process.
|
Scala: higher-kinded types, type projections and type mismatch error |
@ziggystar says it: Drop the bound B and use M[X] directly:
class TransM[X[_]](val b: M[X]) extends M[CurriedTrans[X, M[X]]#Type] {
def from[A](f: T[A]) = b.from(f.r).get
}
val x1 = new TransM(new ListM)
You could consider to do the same for Trans and CurriedTrans. If you need
the inner type of M, you can always expose it through a type member of
Trans and CurriedTrans.
|
Processing Java Error: The nested type (Node) cannot hide an enclosing type |
Check if your tab or sketch name is the same as program's inner class name.
Change the name of your tab/sketch and you'll be fine.
Rename your sketch (foo.pde) which is also the name of the tab to something
other than the class name. The main sketch in processing cannot have a
nested class with the same name, other sketches (other tabs) can have
classes that are the same name as the tab.
|
Send an html email error content type or mime type |
I have tested this example in my web host and it works perfectly :
<?php
$from = "xxxxx@gmail.com";
$subject = "Confirm Your Email";
$message = "<html><body>";
$message .= "
<center>
<b>You are reiciving this email because you Signed up at
Alphaladys.com</b> <br>
<font color="red">Thank You, $name</font><br>
<b><a
href="alphaladys.com/?71860c77c6745379b0d44304d66b6a13=emailVerify&key=$key">Confirm
Your Email</a></b><br>
</center>
<br><br>© 2013 Copyright | AlphaLadys.Com | All rights
reserved.
";
$message .= "</body></html>";
$headers = "From: " . $from . "
";
$headers .= "Reply-To: ". $from . "
";
$headers .= "MIME-Version: 1
|
scala type error for class with map member typed with existential type |
Unless you explicitly require getting the keys back out as the statically
correct subtype (which seems unlikely), then the following will work:
case class DictVariant1(data: Map[MyBaseType, Double])
val d = List((Concrete1() : MyBaseType, 3.5)).toMap
val dv1 = DictVariant1(d)
Using a type ascription forces Concrete1() to be seen as an instance of the
base type; you'd get the same effect if you added an explicit type to d:
val d : Map[MyBaseType, Double] = ....
Or if you put multiple entries in such that the type inferencer picks the
base type:
val d = List((Concrete1(), 3.5), (Concrete2(), 4.5)).toMap
The 'get' you use is always going to fail, however, because you're trying
to use the whole Map as an index: it works fine if you provide a sensible
key:
dv1.data.get(Concrete1())
|
F# error FS0193 (VS 2010) : The type 'WebRequest' is not compatible with the type 'HttpWebRequest' |
The error was quite small. The :> operator will only perform casts
which are known to succeed at compile time and so won't cast from
HttpWebRequest.Create(url) to HttpWebRequest as this actually returns a
WebRequest. As a reult you need to use
let req = HttpWebRequest.Create(url) :?> HttpWebRequest
instead to allow for casting in the other direction in the inheritance
tree. The difference is that casts made by :?> may fail at run time
(but shouldn't in this case as all urls should be http)
|
Oracle ODAC error setting up website in IIS: type A cannot be cast to type B? |
Looks like an old version of the data access DLL is installed in the GAC.
Does the DLL in c:windowsmicrosoft.net... exist? If not, you may have to
provide a copy of it in a bin folder and update your config to use the DLL
in the bin. This assumes you want to use the new version and not the old
one in the GAC.
|
Synat error - The type of the expression must be an array type but it resolved to String |
Well yes - data is a String, and you can't use an indexing expression like
data[i] on a string.
Perhaps you want:
if (b.toString().equals(data.substring(i, i + 1))
Although it's far from clear that that's a good idea. Byte.toString
probably doesn't do what you expect it to. Perhaps you actually want:
if ((char) b == data.charAt(i))
?
|
Unity 3 and Error "The type name or alias "xxxxx" could not be resolved. Please check your configuration file and verify this type name." |
The problem is in you config file. You are mixing two concepts with some
incorrect syntax.
The <assembly... /> and <namespace ... /> nodes provide an
assembly and namespace search order when your <register ... /> node
contains a type that cannot be found by itself. If a type cannot be found,
it searches through all combinations of [namespace].Type, [assembly].
Here's where the error is: it does NOT search for Type, [assembly]. If any
<namespace ... /> nodes are defined, it does NOT try appending only
the assembly.
So your <register type="Biblioteca.Contracts.IManterCategoriaBO"
mapTo="Biblioteca.Business.ManterCategoriaBO" /> node has the type
Biblioteca.Contracts.IManterCategoriaBO which does not contain the
assembly, so it cannot be found. Therefore,
|
Project Server Console Application Error: The type name 'LoginWindows' does not exist in the type 'ProjectServer.WebSvcLoginWindows' |
The problem is likely due to either the class name (LoginWindows) or the
namespace (WebSvcLoginWindows) being incorrect when you create the
loginWindows variable:
public static WebSvcLoginWindows.LoginWindows loginWindows = new
WebSvcLoginWindows.LoginWindows();
Make sure the namespace and class name are spelled correctly and have the
correct capitalisation.
If the class is contained in a separate asssembly, make sure your winforms
project has a reference to the other assembly.
Hope that helps.
|
Linkage error:Loader Constraint violation: previously initiated loading for a different type with name "org/w3c/dom/Type Info" |
This happened to me with the JMX MBeanServer class. Groovy was loading one
of them with its classloader and so was the JVM.
In your case it sounds like the TypeInfo class exists in rt.jar just fine,
but another class loader loads it from that jar (or another jar) again.
Running the JRE with "-verbose:class" showed that double load behavior.
Then I moved the offending jar out of my classpath and it worked just fine
with the one loaded by Groovy.
I would recommend moving rt.jar out of your classpath, or if you need other
classes inside of rt.jar try unjaring and rejaring it without the Type
class. That way the classloaders will be forced to use the ones in
xmlbeans-2.5.0.jar or xbean-2.1.0.jar.
|
error: a value of type "void *" cannot be assigned to an entity of type "float *" |
What is happening here is that most likely you are inadvertently compiling
your code as C++ code. In C++ (as opposed to C) void * is not implicitly
convertible to other pointer types.
It you intend to write your code in C, make sure you compile it as C. It
you intend to write your code in C++, you will have to use explicit type
conversion operators to convert void * pointers to other pointer types.
The conversion to long * pointer type probably happens in other translation
unit (i.e. other file), which is compiled as C. That is probably why it
succeeds.
Note that compilers can use C and C++ mode independently for each
translation unit. Many compilers will choose between C and C++ based on
file extension, compiling .c files as C and .cpp files as C++.
|