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Count the number of occurrences of a character in a string in Javascript
...length); //logs 4
jsfiddle
Use a regular expression literal if you know what you are searching for beforehand, if not you can use the RegExp constructor, and pass in the g flag as an argument.
match returns null with no results thus the || []
The original answer I made in 2009 is below. It crea...
Why is the minimalist, example Haskell quicksort not a “true” quicksort?
...f the function, defining all of the helpers to make the preceding code somewhat pretty.
let z :: IO (IORef Int)
z = newIORef 0
(.=) = writeIORef
ref .=. action = do v <- action; ref .= v
(!) = readArray
(.!) a ref = readArray a =<< get ref
get = readIO...
Download File to server from URL
... @geoff I was specific, I mentioned the function you wanted. What you may have wanted was someone to write the code for you - but I'm sure you learned something doing it yourself. Also, if we are going to comment on each other's SO interactions - please accept some more answers :)
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What is the best way to call a script from another script?
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What if test1.py is located in some far-away directory?
– Evgeni Sergeev
Jun 8 '14 at 5:46
4
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What kind of virtual machine is BEAM (the Erlang VM)?
From what I understand a virtual machine falls into two categories either "system virtual machine" or a "process virtual machine". It's kind of fuzzy to me where BEAM lies. Is there another kind of virtual machine I am not aware of?
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Dynamically load a JavaScript file
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What can I do to get it working for cross-domain? (loading script from http://web.archive.org/web/20140905044059/http://www.howtocreate.co.uk/operaStuff/userjs/aagmfunctions.js)
– user2284570
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“for line in…” results in UnicodeDecodeError: 'utf-8' codec can't decode byte
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What's with the semi-colon?
– Right leg
Jul 25 '19 at 12:36
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Fastest way to check if a value exists in a list
What is the fastest way to know if a value exists in a list (a list with millions of values in it) and what its index is?
1...
What is the proper REST response code for a valid request but an empty data?
...ss appropriate than 204 and 404:
200 should be returned with the body of whatever you successfully fetched. Not appropriate when the entity you're fetching doesn't exist.
202 is used when the server has begun work on an object but the object isn't fully ready yet. Certainly not the case here. Y...
Regular expression to get a string between two strings in Javascript
...o do this match without matching "cow" and "milk" (since you want to match what's in between those two). The problem is not in the RegEx itself but how you handle it afterwards (as mentioned by Rory O'Kane). Otherwise you could only match for surrounding spaces - and that would give you a VERY wrong...