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Which annotation should I use: @IdClass or @EmbeddedId
...stence API) specification has 2 different ways to specify entity composite keys: @IdClass and @EmbeddedId .
7 Answers
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What is the point of “final class” in Java?
I am reading a book about Java and it says that you can declare the whole class as final . I cannot think of anything where I'd use this.
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Remove useless zero digits from decimals in PHP
...m trying to find a fast way to remove zero decimals from number values like this:
24 Answers
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Converting Integer to String with comma for thousands
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How to import JsonConvert in C# application?
...Newtonsoft.Json, not System.ServiceModel.Web
Use NuGet to download the package
"Project" -> "Manage NuGet packages" -> "Search for "newtonsoft json". -> click "install".
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What does a colon following a C++ constructor name do? [duplicate]
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This means that the constructor can be called with no parameters. This makes it a default constructor, i.e., one which will be called by default when you write MyClass someObject;.
The part : m_classID(-1), m_userdata(0) is called initialization list. It is a way to initialize some fields of you...
How do I remove lines between ListViews on Android?
I'm using two ListView s like this:
12 Answers
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How to resolve merge conflicts in Git?
... can install
one of the following tools to use it instead: meld, opendiff,
kdiff3, tkdiff, xxdiff, tortoisemerge, gvimdiff, diffuse,
ecmerge, p4merge, araxis, vimdiff, emerge.
Below is the sample procedure to use vimdiff for resolve merge conflicts. Based on this link
Step 1: Run following commands...
How to insert a line break in a SQL Server VARCHAR/NVARCHAR string
I didn't see any similar questions asked on this topic, and I had to research this for something I'm working on right now. Thought I would post the answer for it in case anyone else had the same question.
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Creating a dictionary from a csv file?
...ctionary from a csv file. The first column of the csv file contains unique keys and the second column contains values. Each row of the csv file represents a unique key, value pair within the dictionary. I tried to use the csv.DictReader and csv.DictWriter classes, but I could only figure out how...