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Re-open *scratch* buffer in Emacs?

...(let ((n 0) bufname) (while (progn (setq bufname (concat "*scratch" (if (= n 0) "" (int-to-string n)) "*")) (setq n (1+ n)) (get-buffer bufname))) (switch-to-buffer (get-buffer-...
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URLEncoder not able to translate space character

...be encoded as follows: Control names and values are escaped. Space characters are replaced by `+' You will have to replace it, e.g.: System.out.println(java.net.URLEncoder.encode("Hello World", "UTF-8").replace("+", "%20")); ...
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How do I match any character across multiple lines in a regular expression?

... is: /(.*)<FooBar>/s The s at the end causes the dot to match all characters including newlines. share | improve this answer | follow | ...
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Difference between const & const volatile

...be the status register for a serial port. Various bits will indicate if a character is waiting to be read or if the transmit register is ready to accept a new character (ie., - it's empty). Each read of this status register could result in a different value depending on what else has occurred in t...
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How to convert DateTime to VarChar

...ver 2005 where I need to convert a value in DateTime variable into a varchar variable in yyyy-mm-dd format (without time part). How do I do that? ...
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Parsing a comma-delimited std::string [duplicate]

... Input one number at a time, and check whether the following character is ,. If so, discard it. #include <vector> #include <string> #include <sstream> #include <iostream> int main() { std::string str = "1,2,3,4,5,6"; std::vector<int> vect; ...
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How to run multiple shells on Emacs

...me:") (let ((shell-name (read-string "shell name: " nil))) (shell (concat "*" shell-name "*")))) share | improve this answer | follow | ...
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What does the `forall` keyword in Haskell/GHC do?

... b) ghci> liftTup (\x -> [x]) (5, "Hello") No instance for (Num [Char]) ... ghci> -- huh? ghci> :t liftTup liftTup :: (t -> t1) -> (t, t) -> (t1, t1) "Hmm.. why does GHC infer that the tuple must contain two of the same type? Let's tell it they don't have to be" -- te...
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How to generate a random alpha-numeric string?

... Algorithm To generate a random string, concatenate characters drawn randomly from the set of acceptable symbols until the string reaches the desired length. Implementation Here's some fairly simple and very flexible code for generating random identifiers. Read the informati...
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json_encode is returning NULL?

... you are retrieving data in non-utf8 encoding: try to put mysql_query('SET CHARACTER SET utf8') before your SELECT query. share | improve this answer | follow ...