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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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How to sort in-place using the merge sort algorithm?
I know the question is not too specific.
10 Answers
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How do you use String.substringWithRange? (or, how do Ranges work in Swift?)
I have not yet been able to figure out how to get a substring of a String in Swift:
33 Answers
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Get value of a string after last slash in JavaScript
I am already trying for over an hour and cant figure out the right way to do it, although it is probably pretty easy:
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querySelector and querySelectorAll vs getElementsByClassName and getElementById in JavaScript
I would like to know what exactly is the difference between querySelector and querySelectorAll against getElementsByClassName and getElementById ?
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How to map calculated properties with JPA and Hibernate
My Java bean has a childCount property. This property is not mapped to a database column . Instead, it should be calculated by the database with a COUNT() function operating on the join of my Java bean and its children. It would be even better if this property could be calculated on demand / "laz...
Really Cheap Command-Line Option Parsing in Ruby
EDIT: Please, please , please read the two requirements listed at the bottom of this post before replying. People keep posting their new gems and libraries and whatnot, which clearly don't meet the requirements.
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How to use LINQ to select object with minimum or maximum property value
I have a Person object with a Nullable DateOfBirth property. Is there a way to use LINQ to query a list of Person objects for the one with the earliest/smallest DateOfBirth value.
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Use LINQ to get items in one List, that are not in another List
I would assume there's a simple LINQ query to do this, I'm just not exactly sure how.
10 Answers
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Automatic exit from bash shell script on error [duplicate]
I've been writing some shell script and I would find it useful if there was the ability to halt the execution of said shell script if any of the commands failed. See below for an example:
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