10 Reusable Code Snippet Topics
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One of the most, if not THE most, beautiful formulas in math, is from Euler: ![Euler_e_pi_i.png](/attachments/large/1/b32f45540a27b3efc328d14c60ee286c.png "align-center") It combines in it a relation between the number **e**, the number **Pi** and the complex number **i**, plus the basic math symbols 1, +, = and zero. Is that not amazing? More … |
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Needed a func to convert base 2 into 10, and back. Found the referenced code in this func for moving between three bases, and generalized it to between bases 2 and 62, and all in between. Upconvert a number, then down convert, then upconvert again. Go wild, have fun. |
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I [saw interesting problem](http://www.daniweb.com/software-development/legacy-languages/threads/478323/prolog) of generating spiral of numbers and realized I could reuse [my code for rotation](http://www.daniweb.com/software-development/python/code/371536/rotate-sequences-left-or-right) I posted earlier. |
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Eg.407 4*4*4=64 0*0*0=0 7*7*7=343 now 64+0+343=407. Any number which satisfies the above condition is called as Armstrong |
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The need for efficient storing of IP numbers came up in discussion thread. With help of this conversion to/from the 32 bit numbers that IP numbers (the old ones) represent I could push the time of finding unique IP numbers from 10 million random numbers down to under two minutes … |
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Picked up from old thread but currently applicable (the IBAN number became more widely required actually this year in Finland). The style was quite alien for modern Python coders, so I massaged the code to my own liking. I removed many temporary variables, as for my opinion they did not … |
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As [URL="http://www.daniweb.com/software-development/c/threads/377568/1625821#post1625821"]Goddess Narues' C code in C forum[/URL] was over my head and her critique of simplistic solution maybe overflowing the integer range was valid in C, I worked out a recursive solution more suitable to my brain in my preferable language. Maybe one day I put in C, now … |
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I got a look one huge Java code suggestion from one [URL="http://www.daniweb.com/software-development/python/threads/86608/1525822#post1525822"]newbie high jacker of old thread[/URL], so I had to write this code. [url]http://oeis.org/A001235[/url] (for values with [B]minimum [/B]2 ways, first difference is 87539319 with three ways. You can of course change the if part of the print to … |
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This snippet is to create a user control that will only take numbers. Numbers will accept decimal values, for which the NumberBox is validated to take only one. The implementation for the control is the same as it is for the TextBox, since it is inherited from this class and … |
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Here is my try of changing integers to English written numbers. Here corrected version 3 check: [CODE]from __future__ import print_function import random,sys if sys.version_info[0]==3: raw_input=input to_19 = ["zero", "one","two","three","four","five", "six", "seven", "eight", "nine", "ten", "eleven", "twelve", "thirteen", "fourteen", "fifteen", "sixteen", "seventeen", "eighteen", "nineteen" ] tens = ["","","twenty", "thirty", "forty", "fifty", … |
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