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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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Is there an equivalent for var_dump (PHP) in Javascript?

We need to see what methods/fields an object has in Javascript. 18 Answers 18 ...
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Replace multiple strings with multiple other strings

I'm trying to replace multiple words in a string with multiple other words. The string is "I have a cat, a dog, and a goat." ...
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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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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...
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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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What are the differences between NP, NP-Complete and NP-Hard?

What are the differences between NP , NP-Complete and NP-Hard ? 11 Answers 11 ...
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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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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...