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How to check if a number is a power of 2
Today I needed a simple algorithm for checking if a number is a power of 2.
25 Answers
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How to allow only numeric (0-9) in HTML inputbox using jQuery?
I am creating a web page where I have an input text field in which I want to allow only numeric characters like (0,1,2,3,4,5...9) 0-9.
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When to use Comparable and Comparator
I have a list of objects I need to sort on a field, say Score. Without giving much thought I wrote a new class that implements Comparator, that does the task and it works.
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Set object property using reflection
Is there a way in C# where I can use reflection to set an object property?
10 Answers
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In Typescript, How to check if a string is Numeric
In Typescript, this shows an error saying isNaN accepts only numeric values
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Trigger a keypress/keydown/keyup event in JS/jQuery?
What is the best way to simulate a user entering text in a text input box in JS and/or jQuery?
9 Answers
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How to get UTC timestamp in Ruby?
How to get UTC timestamp in Ruby?
9 Answers
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How to pretty print XML from the command line?
Related: How can I pretty-print JSON in (unix) shell script?
8 Answers
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filter for complete cases in data.frame using dplyr (case-wise deletion)
Is it possible to filter a data.frame for complete cases using dplyr? complete.cases with a list of all variables works, of course. But that is a) verbose when there are a lot of variables and b) impossible when the variable names are not known (e.g. in a function that processes any data.frame).
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How do I delete all messages from a single queue using the CLI?
How do I delete all messages from a single queue using the cli?
I have the queue name and I want to clean it.
9 Answers
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