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Fastest way to flatten / un-flatten nested JSON objects
I threw some code together to flatten and un-flatten complex/nested JSON objects. It works, but it's a bit slow (triggers the 'long script' warning).
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Memoization in Haskell?
...f :: Int -> Int
faster_f n = f_list !! n
That performs passably well, and replaces what was going to take O(n^3) time with something that memoizes the intermediate results.
But it still takes linear time just to index to find the memoized answer for mf. This means that results like:
*Main Dat...
Qt 5.1.1: Application failed to start because platform plugin “windows” is missing
...er people by directly providing the solution. This should not be forgotten and so far my answer helped a lot of people. Therefore my question is definitely not a duplicate. By the way: The accepted answer within the provided link on top does not solve the problem !
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How do I write stderr to a file while using “tee” with a pipe?
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I'm assuming you want to still see STDERR and STDOUT on the terminal. You could go for Josh Kelley's answer, but I find keeping a tail around in the background which outputs your log file very hackish and cludgy. Notice how you need to keep an exra FD and do cleanu...
What do hjust and vjust do when making a plot using ggplot?
...lot using ggplot, I spend a little while trying different values for hjust and vjust in a line like
2 Answers
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Programmatically Lighten or Darken a hex color (or rgb, and blend colors)
...ecific amount. Just pass in a string like "3F6D2A" for the color ( col ) and a base10 integer ( amt ) for the amount to lighten or darken. To darken, pass in a negative number (i.e. -20 ).
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Looking for a clear definition of what a “tokenizer”, “parser” and...
I am looking for a clear definition of what a "tokenizer", "parser" and "lexer" are and how they are related to each other (e.g., does a parser use a tokenizer or vice versa)? I need to create a program will go through c/h source files to extract data declaration and definitions.
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Checking if a string can be converted to float in Python
I've got some Python code that runs through a list of strings and converts them to integers or floating point numbers if possible. Doing this for integers is pretty easy
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In pure functional languages, is there an algorithm to get the inverse function?
...n algorithm to get the inverse of a function, (edit) when it is bijective? And is there a specific way to program your function so it is?
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What is android:weightSum in android, and how does it work?
I want to know: What is android:weightSum and layout weight, and how do they work?
9 Answers
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