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Map.clear() vs new Map : Which one will be better? [duplicate]
I have a Map as syntax as Map<String, String> testMap = new HashMap<String, String>(); .
In this map there can be 1000 data.
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What are the differences between NP, NP-Complete and NP-Hard?
What are the differences between NP , NP-Complete and NP-Hard ?
11 Answers
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How to add a progress bar to a shell script?
When scripting in bash or any other shell in *NIX, while running a command that will take more than a few seconds, a progress bar is needed.
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Difference between `constexpr` and `const`
What's the difference between constexpr and const ?
9 Answers
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Inline labels in Matplotlib
In Matplotlib, it's not too tough to make a legend ( example_legend() , below), but I think it's better style to put labels right on the curves being plotted (as in example_inline() , below). This can be very fiddly, because I have to specify coordinates by hand, and, if I re-format the plot, I pro...
How to Truncate a string in PHP to the word closest to a certain number of characters?
I have a code snippet written in PHP that pulls a block of text from a database and sends it out to a widget on a webpage. The original block of text can be a lengthy article or a short sentence or two; but for this widget I can't display more than, say, 200 characters. I could use substr() to cho...
Detecting a mobile browser
I'm looking for a function which return boolean value if user has mobile browser or not.
36 Answers
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Are strongly-typed functions as parameters possible in TypeScript?
In TypeScript, I can declare a parameter of a function as a type Function. Is there a "type-safe" way of doing this that I am missing? For example, consider this:
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How to skip “are you sure Y/N” when deleting files in batch files
I can't for the life of me remember how to bypass the annoying prompt are you sure? Y/N when deleting files.
4 Answers
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Creating an R dataframe row-by-row
I would like to construct a dataframe row-by-row in R. I've done some searching, and all I came up with is the suggestion to create an empty list, keep a list index scalar, then each time add to the list a single-row dataframe and advance the list index by one. Finally, do.call(rbind,) on the list...