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Convert base class to derived class [duplicate]
...ne of it's derived classes? Currently thinking I have to create a constructor for my derived classes that accept a base class object as a parameter and copy over the property values. I don't really like this idea, so I'd like to avoid it if possible.
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How to cherry pick from 1 branch to another
...pick -x <sha>
then at least you'll get the commit message from the original commit appended to your new commit, along with the original SHA, which is very useful for tracking cherry-picks.
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What is purpose of the property “private” in package.json?
...I am wondering what is the property "private" in ./package.json file used for?
1 Answer
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Progress indicator during pandas operations
I regularly perform pandas operations on data frames in excess of 15 million or so rows and I'd love to have access to a progress indicator for particular operations.
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Meaning of Android Studio error: Not annotated parameter overrides @NonNull parameter
...MyActivity class, when I try to commit the code to Git, I get a strange error I don't understand. The code is this:
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How to use 'find' to search for files created on a specific date? [closed]
How do I use the UNIX command find to search for files created on a specific date?
9 Answers
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JPA: unidirectional many-to-one and cascading delete
...lation from the parent to the child (not just the opposite).
You'll therefore need to do this:
Either, change the unidirectional @ManyToOne relationship to a bi-directional @ManyToOne, or a unidirectional @OneToMany. You can then cascade REMOVE operations so that EntityManager.remove will remove ...
How can I safely create a nested directory?
What is the most elegant way to check if the directory a file is going to be written to exists, and if not, create the directory using Python? Here is what I tried:
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The necessity of hiding the salt for a hash
At work we have two competing theories for salts. The products I work on use something like a user name or phone number to salt the hash. Essentially something that is different for each user but is readily available to us. The other product randomly generates a salt for each user and changes eac...
Is it bad practice to return from within a try catch finally block?
So I came across some code this morning that looked like this:
6 Answers
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