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How to explain Katana and OWIN in simple words and uses?

...host for web servers. Entire ASP.NET performance issues using IIS has deep roots in System.Web only. Up until the recent time, when deciding how will you host your web server, you had two options: IIS Self-Host So if you wanted a performance, you'd go for a self-host option. If you wanted a lot ...
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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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undefined reference to boost::system::system_category() when compiling

... The boost library you are using depends on the boost_system library. (Not all of them do.) Assuming you use gcc, try adding -lboost_system to your compiler command line in order to link against that library. ...
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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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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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How can I select and upload multiple files with HTML and PHP, using HTTP POST?

...nctype="multipart/form-data"> <input type="file" name="my_file[]" multiple> <input type="submit" value="Upload"> </form> <?php if (isset($_FILES['my_file'])) { $myFile = $_FILES['my_file']; $f...
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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...
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Fastest way to get the first object from a queryset in django?

...ust do the above and it will only pull the first. You could even use .order_by() to ensure you get the first you want. Be sure to add the .get() or else you will get a QuerySet back and not an object. share | ...
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How well is Unicode supported in C++11?

... what std::string and its siblings should do: The class template basic_string describes objects that can store a sequence consisting of a varying number of arbitrary char-like objects with the first element of the sequence at position zero. Well, std::string does that just fine. Does that pro...
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Find the nth occurrence of substring in a string

... more Pythonic version of the straightforward iterative solution: def find_nth(haystack, needle, n): start = haystack.find(needle) while start >= 0 and n > 1: start = haystack.find(needle, start+len(needle)) n -= 1 return start Example: >>> find_nth("fo...