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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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How do you format an unsigned long long int using printf?
Output:
12 Answers
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Simple proof that GUID is not unique [closed]
I'd like to prove that a GUID is not unique in a simple test program.
I expected the following code to run for hours, but it's not working. How can I make it work?
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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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Best way to list files in Java, sorted by Date Modified?
I want to get a list of files in a directory, but I want to sort it such that the oldest files are first. My solution was to call File.listFiles and just resort the list based on File.lastModified, but I was wondering if there was a better way.
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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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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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Git SSH error: “Connect to host: Bad file number”
I followed the git guide but I have this strange issue when trying to connect to github:
19 Answers
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