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Generating all permutations of a given string
What is an elegant way to find all the permutations of a string. E.g. permutation for ba , would be ba and ab , but what about longer string such as abcdefgh ? Is there any Java implementation example?
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How to determine SSL cert expiration date from a PEM encoded certificate?
If I have the actual file and a Bash shell in Mac or Linux, how can I query the cert file for when it will expire? Not a web site, but actually the certificate file itself, assuming I have the csr, key, pem and chain files.
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Question mark and colon in JavaScript
I came across the following line
7 Answers
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Create Generic method constraining T to an Enum
I'm building a function to extend the Enum.Parse concept that
21 Answers
21
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How to split a comma-separated string?
I have a String with an unknown length that looks something like this
14 Answers
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reformat in vim for a nice column layout
I have this dataset in a csv file
13 Answers
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How to use timeit module
I understand the concept of what timeit does but I am not sure how to implement it in my code.
14 Answers
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How to calculate moving average using NumPy?
There seems to be no function that simply calculates the moving average on numpy/scipy, leading to convoluted solutions .
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How to debug Lock wait timeout exceeded on MySQL?
In my production error logs I occasionally see:
11 Answers
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Stock ticker symbol lookup API [closed]
Is there any sort of API that just offers a simple symbol lookup service? i.e., input a company name and it will tell you the ticker symbol? I've tried just screen-scraping Google Finance, but after a little while it rate limits you and you have to enter a CAPTCHA. I'm trying to batch-lookup about 2...