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Rails hidden field undefined method 'merge' error

...eUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
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Circular list iterator in Python

... Or you can do like this: conn = ['a', 'b', 'c', 'd', 'e', 'f'] conn_len = len(conn) index = 0 while True: print(conn[index]) index = (index + 1) % conn_len prints a b c d e f a b c... forever share ...
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How to push both value and key into PHP array

... on the usage of the union operator vs array_merge in the documentation at http://php.net/manual/en/function.array-merge.php. share | improve this answer | follow ...
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What new capabilities do user-defined literals add to C++?

...its> inline constexpr std::bitset<sizeof...(Bits)> operator"" _bits() noexcept { static_assert(checkbits<Bits...>::valid, "invalid digit in binary string"); return std::bitset<sizeof...(Bits)>((char []){Bits..., '\0'}); } int main() { auto bits = 0101010101010...
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How do I count the number of occurrences of a char in a String?

...countMatches("a.b.c.d", "."); Why write it yourself when it's already in commons lang? Spring Framework's oneliner for this is: int occurance = StringUtils.countOccurrencesOf("a.b.c.d", "."); share | ...
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Trying to login to RDP using AS3

...ion sendMcsData(): ByteArray { trace("Secure.sendMcsData"); var num_channels: int = 2; var dataBuffer:ByteArray=new ByteArray(); //RdpPacket_Localised dataBuffer = new RdpPacket_Localised(512); // it's better to build the data buffer in the function, as in java, otherwise you can rec...
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WebAPI Delete not working - 405 Method Not Allowed

...e the id name in the third and fourth lines: config.Routes.MapHttpRoute( name: "DefaultApi", routeTemplate: "api/{controller}/{id}", defaults: new { id = RouteParameter.Optional } ); I got this solution from here. ...
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MySQL: #126 - Incorrect key file for table

...he best way to solve this is to perform repair. This article might help: http://dev.mysql.com/doc/refman/5.0/en/repair-table.html share | improve this answer | follow ...
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Parse usable Street Address, City, State, Zip from a string [closed]

...the rest manually. Do get a copy of Postal Addressing Standards (USPS) at http://pe.usps.gov/cpim/ftp/pubs/Pub28/pub28.pdf and notice it is 130+ pages long. Regexes to implement that would be nuts. For international addresses, all bets are off. US-based workers would not be able to validate. Alt...
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Printf width specifier to maintain precision of floating-point value

...be to print one seventh as in: #include <float.h> int Digs = DECIMAL_DIG; double OneSeventh = 1.0/7.0; printf("%.*e\n", Digs, OneSeventh); // 1.428571428571428492127e-01 But let's dig deeper ... Mathematically, the answer is "0.142857 142857 142857 ...", but we are using finite precision...