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How would you implement an LRU cache in Java?
Please don't say EHCache or OSCache, etc. Assume for purposes of this question that I want to implement my own using just the SDK (learning by doing). Given that the cache will be used in a multithreaded environment, which datastructures would you use? I've already implemented one using LinkedHashM...
Python Pandas: Get index of rows which column matches certain value
Given a DataFrame with a column "BoolCol", we want to find the indexes of the DataFrame in which the values for "BoolCol" == True
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Firefox Add-on RESTclient - How to input POST parameters?
I've installed Firefox RESTclient add-on but , I'm having hard time figuring out how to pass POST parameters. Is there a specific format to do this? Or is there any other tool which can be used to debug an REST API on Mac OS X ?
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PHP Sort Array By SubArray Value
I have the following array structure:
6 Answers
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How to reference the initial commit?
I've got a script that needs to reference the initial commit in a repository. git has the special reference HEAD , but doesn't have the corresponding TAIL . I cannot find anything in git help rev-parse that would seem to help me.
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How to pull a random record using Django's ORM?
I have a model that represents paintings I present on my site. On the main webpage I'd like to show some of them: newest, one that was not visited for most time, most popular one and a random one.
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Returning redirect as response to XHR request
What happens if the browser receives a redirect response to an ajax request?
2 Answers
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How to output loop.counter in python jinja template?
I want to be able to output the current loop iteration to my template.
3 Answers
3
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How do I negate a condition in PowerShell?
How do I negate a conditional test in PowerShell?
4 Answers
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Showing Difference between two datetime values in hours
I am retrieving two date time values from the database. Once the value is retrieved, I need the difference between the two values.
For that, I create a timespan variable to store the difference of the 2 date values.
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