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What is the difference between procedural programming and functional programming? [closed]
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What is the “hasClass” function with plain JavaScript?
...replace(/[\n\t]/g, " ").indexOf(" thatClass ") > -1 )
To answer your more general question, you can look at jQuery's source code on github or at the source for hasClass specifically in this source viewer.
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How to count instances of character in SQL Column
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Just be aware that if there are more than "N" or "Y" in the string then this could be inaccurate. See nickf's solution for a more robust method.
– Tom H
Dec 7 '09 at 15:28
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Can hash tables really be O(1)?
...into the hash value, so it's O(1) regardless of text length (but massively more collision prone than GCC!). Separately, claims of O(1) have another assumption (normally correctly) that m is much less than n.
– Tony Delroy
Feb 20 '18 at 14:26
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JavaScript equivalent to printf/String.Format
...itory of sprintf() for JavaScript was not available. underscore.string has more features aside from sprintf which is based on sprintf() for JavaScript implementation. Other than that the library is an entirely different project.
– Maksymilian Majer
Apr 15 '14 a...
windows service vs scheduled task
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Programmer Puzzle: Encoding a chess board state throughout a game
Not strictly a question, more of a puzzle...
31 Answers
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Formatting Phone Numbers in PHP
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This is a US phone formatter that works on more versions of numbers than any of the current answers.
$numbers = explode("\n", '(111) 222-3333
((111) 222-3333
1112223333
111 222-3333
111-222-3333
(111)2223333
+11234567890
1-8002353551
123-456-7890 -Hello!
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What is the difference between lock and Mutex?
...ed system mutexes. A local mutex exists only within your process.
Furthermore, one should take special care - detailed on the same page as well - when using a system-wide mutex on a system with Terminal Services.
One of the differences between Mutex and lock is that Mutex utilizes a kernel-level ...
In Clojure 1.3, How to read and write a file
...urp:
(spit "/tmp/test.txt" "Line to be written" :append true)
PS: To be more explicit about the fact that you are reading and writing to a File and not something else, you could first create a File object and then coerce it into a BufferedReader or Writer:
(reader (file "/tmp/test.txt"))
;; or
(...