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What causes and what are the differences between NoClassDefFoundError and ClassNotFoundException?
...ion:
Thrown when an application tries to
load in a class through its string
name using:
The forName method in class Class.
The findSystemClass method in class ClassLoader.
The loadClass method in class ClassLoader.
but no definition for the class with
the specified nam...
How to choose the id generation strategy when using JPA and Hibernate
...quence.
uuid
uses a 128-bit UUID algorithm to generate identifiers of type string that are unique within a network (the IP address is used). The UUID is encoded as a string of 32 hexadecimal digits in length.
guid
uses a database-generated GUID string on MS SQL Server and MySQL.
native
selects ident...
When should you branch?
... Jan 20 '10 at 11:09
Daniel VassalloDaniel Vassallo
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...
Imitate Facebook hide/show expanding/contracting Navigation Bar
...OS7 Facebook iPhone app, when the user scrolls up the navigationBar gradually hides itself to a point where it completely vanishes. Then when the user scrolls down the navigationBar gradually shows itself.
...
Better way of incrementing build number?
...about pane and other places, you can also look into setting CFBundleGetInfoString and CFBundleShortVersionString.
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REST API error return good practices [closed]
... Should I include my detailed error message in the body, ie. an XML code/string pair? How are clients best dealing with this? For instance I know C# WebRequest based clients would throw 'Bad Request' or 'Forbidden' and not give the response body.
– Remus Rusanu
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What's the difference of “./configure” option “--build”, “--host” and “--target”?
...
As noted in this blog post and alluded to in the GCC Configure Terms, --target only applies when you are compiling toolchains. When you are doing normal cross-compilation of a library or binary you use
--build=the architecture of the build machine
--hos...
What is the proper #include for the function 'sleep()'?
I am using the Big Nerd Ranch book Objective-C Programming, and it starts out by having us write in C in the first few chapters. In one of my programs it has me create, I use the sleep function. In the book it told me to put #include <stdlib.h> under the #include <stdio.h> part. This...
How do I overload the square-bracket operator in C#?
...e given the name "default":
ref class Class
{
public:
property System::String^ default[int i]
{
System::String^ get(int i) { return "hello world"; }
}
};
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Return empty cell from formula in Excel
...mpty cell from an Excel formula, but it appears that Excel treats an empty string or a reference to an empty cell differently than a true empty cell. So essentially I need something like
...