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Why are quaternions used for rotations?
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Gimbal lock is one reason, although as you say it is only a problem with Euler angles and is easily solvable. Euler angles are still used when memory is a concern as you only need to store 3 numbers.
For quaternions versus a 3x3 rotation m...
linux: kill background task
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Assuming the ???? stands for one or more commands to be executed after the kill, if any of those commands relies on work done by the background process, be mindful of any cleanup or finishing-up tasks which the background process might perform in a signa...
How can a time function exist in functional programming?
... imagine that there is an operator, >>=, which combines two actions, one which gets a timestamp, and one which takes one as argument and prints it. Applying this to the actions previously mentioned, the result is... tadaaa... a new action which gets the current time and prints it. And this is ...
How to run only one task in ansible playbook?
Is there a way to only run one task in ansible playbook?
6 Answers
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How do I clear the std::queue efficiently?
...obQueue class. ( Basically this class process each job in FIFO manner).
In one scenario, I want to clear the queue in one shot( delete all jobs from the queue).
I don't see any clear method available in std::queue class.
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How to insert a new line in Linux shell script? [duplicate]
... but what would be the equivalent for echo "i want to be on one line" echo "i want to be on another" by using one echo command, and just \n, so that when you have long sentences, you can wrap your text in bash(using maybe 3 or 4 bash lines atleast with only one echo command. I came ...
Professional jQuery based Combobox control? [closed]
...ons that I know of. Good luck in your search. I'd love to hear if you find one or if the second option works out for you.
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RegEx for Javascript to allow only alphanumeric
I need to find a reg ex that only allows alphanumeric. So far, everyone I try only works if the string is alphanumeric, meaning contains both a letter and a number. I just want one what would allow either and not require both.
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Truncate all tables in a MySQL database in one command?
Is there a query (command) to truncate all the tables in a database in one operation? I want to know if I can do this with one single query.
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What is a singleton in C#?
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A singleton is a class which only allows one instance of itself to be created - and gives simple, easy access to said instance. The singleton premise is a pattern across software development.
There is a C# implementation "Implementing the Singleton Pattern in C#" c...