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How Does Modulus Divison Work
... a modulo division is the remainder of an integer division of the given numbers.
That means:
27 / 16 = 1, remainder 11
=> 27 mod 16 = 11
Other examples:
30 / 3 = 10, remainder 0
=> 30 mod 3 = 0
35 / 3 = 11, remainder 2
=> 35 mod 3 = 2
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Print number of keys in Redis
Is there a way to print the number of keys in Redis?
8 Answers
8
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Refused to display in a frame because it set 'X-Frame-Options' to 'SAMEORIGIN'
I am developing a website that is supposed to be responsive so that people can access it from their phones. The site has got some secured parts that can be logged into using Google, Facebook, ...etc (OAuth).
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How can I grep for a string that begins with a dash/hyphen?
... grep for the string that starts with a dash/hyphen, like -X , in a file, but it's confusing this as a command line argument.
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How to remove constraints from my MySQL table?
I want to remove constraints from my table. My query is:
12 Answers
12
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Adding minutes to date time in PHP
...me, after doing lots of google'ing and PHP manual reading, I don't seem to be getting anywhere.
13 Answers
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UnicodeDecodeError: 'utf8' codec can't decode byte 0xa5 in position 0: invalid start byte
I am using Python-2.6 CGI scripts but found this error in server log while doing json.dumps() ,
15 Answers
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How to copy a directory using Ant
I have used copydir to copy a directory tree but it is deprecated. My directory contains some sub-directories, and some of those contain files and others contain more sub-directories.
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How to save picture to iPhone photo library?
What do I need to do to save an image my program has generated (possibly from the camera, possibly not) to the system photo library on the iPhone?
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How to list only top level directories in Python?
I want to be able to list only the directories inside some folder.
This means I don't want filenames listed, nor do I want additional sub-folders.
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