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Why are floating point numbers inaccurate?

...ignificand). A very simple number, say 9.2, is actually this fraction: 5179139571476070 * 2 -49 Where the exponent is -49 and the mantissa is 5179139571476070. The reason it is impossible to represent some decimal numbers this way is that both the exponent and the mantissa must be integers. In...
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Algorithm to generate a crossword

... – dmckee --- ex-moderator kitten Jun 3 '09 at 15:51 1 @dmckee, it was a while ago but from memory, even the de...
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How do you convert a byte array to a hexadecimal string, and vice versa?

...faster) Array.ConvertAll (using string.Join) (via Will Dean) Text: 675,451.57 (1.1X faster) Sentence: 17.95 (2.2X faster) Array.ConvertAll (using string.Concat, requires .NET 4.0) (via Will Dean) Text: 752,078.70 (1.0X faster) Sentence: 18.28 (2.2X faster) {StringBuilder}.AppendFormat (using ...
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How do I find where an exception was thrown in C++?

... 51 As you say, we can use 'catch throw' in gdb and call 'backtrace' for every single thrown except...
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How do I put a bunch of uncommitted changes aside while working on something else

... Rafael PiccoloRafael Piccolo 2,19911 gold badge1515 silver badges2828 bronze badges ...
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How do I test an AngularJS service with Jasmine?

...797 – Roy Truelove May 15 '13 at 15:51 1 Is there a good way to inject the service in a beforeEac...
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Hosting a Maven repository on github

...ry spec). – zakmck Sep 22 '15 at 16:51 1 Good idea, I've done it: github.com/jitpack/jitpack.io/i...
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When do we have to use copy constructors?

...'t). – Matthieu M. May 21 '17 at 12:51 add a comment  |  ...
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O(nlogn) Algorithm - Find three evenly spaced ones within binary string

...em. Thanks – z - Oct 15 '09 at 18:51 Interesting, these patterns closely resembles Cantor's ternary set (en.wikipedi...
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MySQL order by before group by

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