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Java: Detect duplicates in ArrayList?
How could I go about detecting (returning true/false) whether an ArrayList contains more than one of the same element in Java?
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Force drop mysql bypassing foreign key constraint
I'm trying to delete all tables from a database except one, and I end up having the following error:
6 Answers
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Finding the max value of an attribute in an array of objects
I'm looking for a really quick, clean and efficient way to get the max "y" value in the following JSON slice:
13 Answers
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How to get the first line of a file in a bash script?
I have to put in a bash variable the first line of a file. I guess it is with the grep command, but it is any way to restrict the number of lines?
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ProcessBuilder: Forwarding stdout and stderr of started processes without blocking the main thread
I'm building a process in Java using ProcessBuilder as follows:
10 Answers
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WPF - How to force a Command to re-evaluate 'CanExecute' via its CommandBindings
I have a Menu where each MenuItem in the hierarchy has its Command property set to a RoutedCommand I've defined. The associated CommandBinding provides a callback for the evaluation of CanExecute which controls the enabled state of each MenuItem .
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How to find all tables that have foreign keys that reference particular table.column and have values
I have a table whose primary key is referenced in several other tables as a foreign key. For example:
7 Answers
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Easiest way to toggle 2 classes in jQuery
If I have class .A and class .B and want to switch in between on button click, what's a nice solution for that in jQuery? I still don't understand how toggleClass() works.
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Read file data without saving it in Flask
I am writing my first flask application. I am dealing with file uploads, and basically what I want is to read the data/content of the uploaded file without saving it and then print it on the resulting page. Yes, I am assuming that the user uploads a text file always.
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How to revert a merge commit that's already pushed to remote branch?
git revert <commit_hash> alone won't work. -m must be specified, and I'm pretty confused about it.
16 Answers
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