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What's the best practice for primary keys in tables?
When designing tables, I've developed a habit of having one column that is unique and that I make the primary key. This is achieved in three ways depending on requirements:
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How do I revert a Git repository to a previous commit?
How do I revert from my current state to a snapshot made on a certain commit?
41 Answers
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Npm Please try using this command again as root/administrator
I've been desperately trying to install modules using node.js but it always fails getting packages with npm.
32 Answers
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Looking for a 'cmake clean' command to clear up CMake output
Just as make clean deletes all the files that a makefile has produced, I would like to do the same with CMake. All too often I find myself manually going through directories removing files like cmake_install.cmake and CMakeCache.txt , and the CMakeFiles folders.
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Which version of C# am I using
I want to find out which version of C# I'm using.
If I would be using python I would do something like python -V from the command line, or type:
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Check if inputs are empty using jQuery
I have a form that I would like all fields to be filled in. If a field is clicked into and then not filled out, I would like to display a red background.
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ExecJS::RuntimeError on Windows trying to follow rubytutorial
UPDATE: Colin 's suggestion of removing the line //= require_tree . has fixed the issue.
13 Answers
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How do I generate a constructor from class fields using Visual Studio (and/or ReSharper)?
I've gotten accustomed to many of the Java IDEs ( Eclipse , NetBeans , and IntelliJ IDEA ) providing you with a command to generate a default constructor for a class based on the fields in the class.
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jQuery OR Selector?
I am wondering if there is a way to have "OR" logic in jQuery selectors. For example, I know an element is either a descendant of an element with class classA or classB, and I want to do something like elem.parents('.classA or .classB') . Does jQuery provide such functionality?
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How to compare binary files to check if they are the same?
What is the easiest way (using a graphical tool or command line on Ubuntu Linux) to know if two binary files are the same or not (except for the time stamps)? I do not need to actually extract the difference. I just need to know whether they are the same or not.
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