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How to convert an Array to a Set in Java
I would like to convert an array to a Set in Java. There are some obvious ways of doing this (i.e. with a loop) but I would like something a bit neater, something like:
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Removing duplicates in lists
Pretty much I need to write a program to check if a list has any duplicates and if it does it removes them and returns a new list with the items that weren't duplicated/removed. This is what I have but to be honest I do not know what to do.
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Converting ISO 8601-compliant String to java.util.Date
I am trying to convert an ISO 8601 formatted String to a java.util.Date .
29 Answers
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get name of a variable or parameter [duplicate]
I would like to get the name of a variable or parameter:
3 Answers
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How to calculate time elapsed in bash script?
I print the start and end time using date +"%T" , which results in something like:
20 Answers
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Add a reference column migration in Rails 4
A user has many uploads. I want to add a column to the uploads table that references the user . What should the migration look like?
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Why should I avoid std::enable_if in function signatures
Scott Meyers posted content and status of his next book EC++11.
He wrote that one item in the book could be "Avoid std::enable_if in function signatures" .
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Default constructor with empty brackets
Is there any good reason that an empty set of round brackets (parentheses) isn't valid for calling the default constructor in C++?
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Print a file's last modified date in Bash
I can't seem to find how to print out the date of a file. I'm so far able to print out all the files in a directory, but I need to print out the dates with it.
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What's the best way to trim std::string?
I'm currently using the following code to right-trim all the std::strings in my programs:
46 Answers
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