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How to insert a character in a string at a certain position?

...but was suggested to use String for a better display output (instead of 1234.5 will be 1234.50 ). Therefore, I need a function that will take an int as parameter and return the properly formatted String with a decimal point 2 digits from the end. ...
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Best way to create an empty object in JSON with PHP?

...t will keep rendering properly into a dictionary: $complex['dict']['a'] = 123; print json_encode($complex); // -> {"list":[],"dict":{"a":123}} unset($complex['dict']['a']); print json_encode($complex); // -> {"list":[],"dict":{}} If you need this to be 100% compatible both ways, you can al...
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Please explain some of Paul Graham's points on Lisp

...) ;; this is the interesting bit: (println (str/replace-re #"\d+" "FOO" "a123b4c56")) This snippet of Clojure code prints out aFOObFOOcFOO. Note that Clojure arguably does not fully satisfy the fourth point on your list, since read-time is not really open to user code; I will discuss what it would...
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How to create a .NET DateTime from ISO 8601 format

... Doesn't work for me with fractional digits. 2018-06-19T14:56:14.123Z is parsed as local time, not UTC. I use CultureInfo.InvariantCulture instead of null. – Erik Hart Jun 19 '18 at 12:46 ...
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Create aar file in Android Studio

... answered Oct 16 '16 at 18:58 cn123hcn123h 2,16511 gold badge1818 silver badges1414 bronze badges ...
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Several ports (8005, 8080, 8009) required by Tomcat Server at localhost are already in use

...st gives me the help for the kill command. – CoderGuy123 Jun 1 '15 at 2:18 ...
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Good examples of Not a Functor/Functor/Applicative/Monad?

...fied. For example, fmap id ≠ id, because let (Q(f,_)) = fmap id (Q(read,"123")) in f "456" is 123, but let (Q(f,_)) = id (Q(read,"123")) in f "456" is 456. In fact, F is only a profunctor, - it is neither a functor nor a contrafunctor. A lawful functor that is not applicative because the type s...
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How to remove the hash from window.location (URL) with JavaScript without page refresh?

... This will remove the trailing hash as well. eg: http://test.com/123#abc -> http://test.com/123 if(window.history.pushState) { window.history.pushState('', '/', window.location.pathname) } else { window.location.hash = ''; } ...
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How can I get the concatenation of two lists in Python without modifying either one? [duplicate]

...;>> sum([(1,2), (1,), ()], ()) (1, 2, 1) >>> sum([Counter('123'), Counter('234'), Counter('345')], Counter()) Counter({'1':1, '2':2, '3':3, '4':2, '5':1}) >>> sum([True, True, False], False) 2 With the notable exception of strings: >>> sum(['123', '345', '567'],...
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Using cURL with a username and password?

...syntax curl http://username:password@api.somesite.com/test/blah?something=123 share | improve this answer | follow | ...