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Implementing Comments and Likes in database
...ate databases... Currently, I'm creating a website on which a user will be allowed to mark an entity as liked (like in FB), tag it and comment .
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How do you delete all text above a certain line
How do you delete all text above a certain line. For deletion below a line I use "d shift g"
5 Answers
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How to fix the Hibernate “object references an unsaved transient instance - save the transient insta
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You should include cascade="all" (if using xml) or cascade=CascadeType.ALL (if using annotations) on your collection mapping.
This happens because you have a collection in your entity, and that collection has one or more items which are not present in ...
How to search through all Git and Mercurial commits in the repository for a certain string?
... repository with few branches and dangling commits. I would like to search all such commits in repository for a specific string.
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How to remove all subviews of a view in Swift?
I'm looking for a simple method to remove at once all subviews from a superview instead of removing them one by one.
20 Ans...
Convert list of dictionaries to a pandas DataFrame
...n the structure and format of your data, there are situations where either all three methods work, or some work better than others, or some don't work at all.
Consider a very contrived example.
np.random.seed(0)
data = pd.DataFrame(
np.random.choice(10, (3, 4)), columns=list('ABCD')).to_dict('r...
Force LF eol in git repo and working copy
I have a git repository hosted on github. Many of the files were initially developed on Windows, and I wasn't too careful about line endings. When I performed the initial commit, I also didn't have any git configuration in place to enforce correct line endings. The upshot is that I have a number of ...
How to turn on (literally) ALL of GCC's warnings?
I would like to enable -- literally -- ALL of the warnings that GCC has. (You'd think it would be easy...)
7 Answers
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Difference between binary tree and binary search tree
... @pete: It's a conceptual thing, you won't necessarily ever actually make one that is completely unconstrained. However, there are lots of non-search binary trees that are special in some other way, e.g. binary heaps.
– user541686
Feb 10 '15 at 7:45
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How do I rename all files to lowercase?
...EE.wav, ONE.WAV. I want to rename it to tree.wav, one.wav. How do I rename all files to lowercase?
4 Answers
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