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Linq: GroupBy, Sum and Count
I have a collection of products
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Difference between repository and service?
What's the difference between a repository and a service? I don't seem to grasp it.
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How to get the parents of a merge commit in git?
Some git commands take the parent as a revision; others (such as git revert ), as a parent number. How to get the parents for both cases. I don’t want to use the graphical log command as that often requires scrolling down a long tree to find the second parent.
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how to get the current working directory's absolute path from irb
... running Ruby on Windows though I don't know if that should make a difference. All I want to do is get the current working directory's absolute path. Is this possible from irb? Apparently from a script it's possible using File.expand_path(__FILE__)
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Alternatives to java.lang.reflect.Proxy for creating proxies of abstract classes (rather than interf
According to the documentation :
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Tooltips for cells in HTML table (no Javascript)
Is it possible to have tooltips for table cells with no JavaScript. Can't use it.
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What is the purpose of @SmallTest, @MediumTest, and @LargeTest annotations in Android?
I'm new to Android and I've seen example code using these annotations. For example:
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what is the right way to treat Python argparse.Namespace() as a dictionary?
If I want to use the results of argparse.ArgumentParser() , which is a Namespace object, with a method that expects a dictionary or mapping-like object (see collections.Mapping ), what is the right way to do it?
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Can a class extend both a class and implement an Interface
Can a class extend both an interface and another class in PHP?
Basically I want to do this:
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Invalid URI: The format of the URI could not be determined
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