大约有 44,000 项符合查询结果（耗时：0.0584秒） [XML]
JsonMappingException: No suitable constructor found for type [simple type, class ]: can not instanti
... //constructor Code
}
}
There was a custom constructor defined for the class making it the default constructor. Introducing a dummy constructor has made the error to go away:
public class ApplesDO {
private String apple;
public String getApple() {
return apple;
}
...
Xml Namespace breaking my xpath! [duplicate]
... a default namespace and this is adopted by all elements inside.
You therefore need to ignore the element namespace like so:
/*[local-name()='List']/*[local-name()='Fields]/*[local-name()='Field]
but this means that the xpath will pick up any other element with List - Fields - Field
You can do...
How do I have to configure the proxy settings so Eclipse can download new plugins?
...ues described in OP.
After a few more tries, I cleared the proxy settings for SOCKS protocol, and I was able to connect to the marketplace.
So the solution for me was to configure the manual settings for HTTP and HTTPS proxy, clear the settings for SOCKS, and restart Eclipse.
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iPhone Navigation Bar Title text color
...
Modern approach
The modern way, for the entire navigation controller… do this once, when your navigation controller's root view is loaded.
[self.navigationController.navigationBar setTitleTextAttributes:
@{NSForegroundColorAttributeName:[UIColor yell...
How do I switch between the header and implementation file in Xcode 4?
...
For a company that prides itself on usability and ease-of-use; how can Apple manage to make XCode so confusing to work with. No, this is not a rant; it's an honest comment: does Apple not value the developers who work on Mac...
How to show first commit by 'git log'?
...The git.git repository has six root commits in its history graph (one each for Linus’s initial commit, gitk, some initially separate tools, git-gui, gitweb, and git-p4). In this case, we know that e83c516 is the one we are probably interested in. It is both the earliest commit and a root commit.
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JPA eager fetch does not join
...can be fetched in any one of the ways given below
SELECT => one query for root entities + one query for related mapped entity/collection of each root entity = (n+1) queries
SUBSELECT => one query for root entities + second query for related mapped entity/collection of all root entities retri...
Are foreign keys really necessary in a database design?
As far as I know, foreign keys (FK) are used to aid the programmer to manipulate data in the correct way. Suppose a programmer is actually doing this in the right manner already, then do we really need the concept of foreign keys?
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Overriding the java equals() method - not working?
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The ArrayList uses overridden equals() methods to compare contents (e.g. for its contains() and equals() methods), not overloaded ones. In most of your code, calling the one that didn't properly override Object's equals was fine, but not compatible with ArrayList.
So, not overriding the method co...
UIButton custom font vertical alignment
... in UILabel. There was no solution given.
Here's the solution that worked for my custom font which had the same issue in UILabel, UIButton and such. The problem with the font turned out to be the fact that its ascender property was too small compared to the value of system fonts. Ascender is a vert...