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What is the difference between . (dot) and $ (dollar sign)?

...hesizing the right hand side of an expression containing an infix operator converts it to a prefix function, one can write ($ 3) (4+) analogous to (++", world") "hello". Why would anyone do this? For lists of functions, for example. Both: map (++", world") ["hello","goodbye"]` and: map ($ 3) [(...
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“Deprecation warning: moment construction falls back to js Date” when trying to convert RFC2822 date

I am using the following code to convert a server-side date-time to local time using moment.js. 6 Answers ...
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PHP/MySQL insert row then get 'id'

... On the doc there is something to note: mysql_insert_id() will convert the return type of the native MySQL C API function mysql_insert_id() to a type of long (named int in PHP). If your AUTO_INCREMENT column has a column type of BIGINT (64 bits) the conversion may result in an incorrect ...
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Compare DATETIME and DATE ignoring time portion

...ved example. --112 is ISO format 'YYYYMMDD' declare @filterDate char(8) = CONVERT(char(8), GETDATE(), 112) select * from Sales.Orders where CONVERT(char(8), OrderDate, 112) = @filterDate In a perfect world, performing any manipulation to the filtered column should be avoided becau...
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How do I auto size a UIScrollView to fit its content

... Here is the accepted answer in swift for anyone who is too lazy to convert it :) var contentRect = CGRectZero for view in self.scrollView.subviews { contentRect = CGRectUnion(contentRect, view.frame) } self.scrollView.contentSize = contentRect.size ...
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JavaScript math, round to two decimal places [duplicate]

...Reference/Global_Objects/Number/toFixed Edit - As mentioned by others this converts the result to a string. To avoid this: var discount = +((price / listprice).toFixed(2)); Edit 2- As also mentioned in the comments this function fails in some precision, in the case of 1.005 for example it will retu...
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How to increment a datetime by one day?

... timedelta date = datetime.now() + timedelta(seconds=[delta_value]) Then convert to date to string date = date.strftime('%Y-%m-%d %H:%M:%S') Python one liner is date = (datetime.now() + timedelta(seconds=[delta_value])).strftime('%Y-%m-%d %H:%M:%S') ...
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Min/Max of dates in an array?

... To number convertion applied not for string '2011/06/25', but for new Date('2011/06/25'). Number(new Date('2011/06/25'))===1308949200000. Code is tested in Chrome, IE, FF – Andrew D. Aug 22 '11 at...
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How to convert a ruby hash object to JSON?

How to convert a ruby hash object to JSON? So I am trying this example below & it doesn't work? 5 Answers ...
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How to convert a JSON string to a Map with Jackson JSON

... Converting from String to JSON Map: Map<String,String> map = new HashMap<String,String>(); ObjectMapper mapper = new ObjectMapper(); map = mapper.readValue(string, HashMap.class); ...