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Is there any way to git checkout previous branch?
I sort of want the equivalent of cd - for git. If I am in branch master and I checkout foo , I would love to be able to type something like git checkout - to go back to master , and be able to type it again to return to foo .
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SHA-1 fingerprint of keystore certificate
... SHA-1 fingerprint the same as the method of getting the a fingerprint? Previously, I was running this command:
35 Answers
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How can I upload fresh code at github?
...init
git add .
git commit -m "Initial commit"
After this, make a new GitHub repository and follow on-screen instructions.
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How to shift a column in Pandas DataFrame
I would like to shift a column in a Pandas DataFrame , but I haven't been able to find a method to do it from the documentation without rewriting the whole DF. Does anyone know how to do it?
DataFrame:
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Can a C++ enum class have methods?
I have an enum class with two values, and I want to create a method which receives a value
and returns the other one. I also want to maintain type safety(that's why I use enum class instead of enums).
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Combining two expressions (Expression)
I have two expressions of type Expression<Func<T, bool>> and I want to take to OR, AND or NOT of these and get a new expression of the same type
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How exactly does the android:onClick XML attribute differ from setOnClickListener?
From that I've read you can assign a onClick handler to a button in two ways.
17 Answers
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Where is JAVA_HOME on macOS Mojave (10.14) to Lion (10.7)?
Java is an optional package on the latest versions of macOS.
26 Answers
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What's the difference between RANK() and DENSE_RANK() functions in oracle?
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Why is there no Tree class in .NET?
...erribly useful structure for certain algorithms, such as those that take advantage of different traversal paths. I'm looking for a correctly written, free implementation.
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