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Handling very large numbers in Python

... occurred to me that one way to speed the process up would be to represent all the card faces and suits as prime numbers and multiply them together to represent the hands. To whit: ...
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CSS selector with period in ID

The HTML spec allows for periods (.) in an id: 2 Answers 2 ...
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How to get current path with query string using Capybara

The page url is something like /people?search=name while I used current_path method of capybara it returned /people only. ...
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Determine a string's encoding in C#

...ply 8-bit Encoding and you have the Encoding used to decode it, you can usually get the bytes back without any corruption, though. – Nyerguds Jan 27 '18 at 13:44 ...
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How can I deploy/push only a subdirectory of my git repo to Heroku?

... Yep, but subtree is still (as of 1.8.0.2) not included via the git installer. Luckily installing from source is quick and straightforward, this page worked for me on mac. – dribnet Dec 29 '12 at 22:19 ...
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unsigned int vs. size_t

... static array of 8Gb). The size_t type may be bigger than, equal to, or smaller than an unsigned int, and your compiler might make assumptions about it for optimization. You may find more precise information in the C99 standard, section 7.17, a draft of which is available on the Internet in pdf fo...
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Gmail's new image caching is breaking image links in newsletter

...d also you have fixed some permissions against protected images. You are all done now. Now you try to run your php-email script once again. As a result you receive another email in your Gmail or Hotmail inbox. you had fixed all the issues with your images. Now the images must be displayed in your ...
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Finding three elements in an array whose sum is closest to a given number

...t now you don't need the target value anymore. Clearly, if we simply test all possible 3-tuples, we'd solve the problem in O(n3) -- that's the brute-force baseline. Is it possible to do better? What if we pick the tuples in a somewhat smarter way? First, we invest some time to sort the array, whic...
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How to convert SSH keypairs generated using PuTTYgen (Windows) into key-pairs used by ssh-agent and

... ssh from the windows command line using passwordless keys for me (specifically for git access). Would have saved me hours of pain if I had seen it earlier! Thanks! – cori Jan 25 '13 at 12:20 ...
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How to secure MongoDB with username and password

...d({}) Long answer: Read this if you want to properly understand. It's really simple. I'll dumb the following down https://docs.mongodb.com/manual/tutorial/enable-authentication/ If you want to learn more about what the roles actually do read more here: https://docs.mongodb.com/manual/reference/b...