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Unique (non-repeating) random numbers in O(1)?
...5: 1| 7| 3|
+--+--+--+--+--+--+--+--+--+--+--+
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After 11 iterations, all numbers in the array have been selected, max == 0, and the array elements are shuffled:
+--+--+--+--+--+--+--+--+--+--+--+
| 4|10| 8| 6| 2| 0| 9| 5| 1| 7| 3|
+--+--+--+--+--+--+--+--+--+--+--+
At this point, max can be...
What is the proper way to format a multi-line dict in Python?
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First of all, like Steven Rumbalski said, "PEP8 doesn't address this question", so it is a matter of personal preference.
I would use a similar but not identical format as your format 3. Here is mine, and why.
my_dictionary = { # Do...
Changing route doesn't scroll to top in the new page
...oothScroll directive, are there way to do a smoth scroll to top?, additionally your solution scroll to top of view not to the page are there to scroll to top of the page?
– xzegga
Dec 20 '14 at 20:18
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echo that outputs to stderr
...criptors will refer to the same file: the one file descriptor #2 was originally referring to. For more information see the Bash Hackers Illustrated Redirection Tutorial.
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How often should you use git-gc?
...ons that could create many loose objects." Anyone know which commands actually run it?
– Joshua Dance
Jul 8 '14 at 15:36
2
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How to copy Docker images from one host to another without using a repository
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docker load -i <path to image tar file>
PS: You may need to sudo all commands.
EDIT:
You should add filename (not just directory) with -o, for example:
docker save -o c:/myfile.tar centos:16
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PHP, get file name without file extension
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No need for all that. Check out pathinfo(), it gives you all the components of your path.
Example from the manual:
$path_parts = pathinfo('/www/htdocs/index.html');
echo $path_parts['dirname'], "\n";
echo $path_parts['basename'], "\n"...
How to check if PHP array is associative or sequential?
PHP treats all arrays as associative, so there aren't any built in functions. Can anyone recommend a fairly efficient way to check if an array contains only numeric keys?
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Re-doing a reverted merge in Git
... but git-merge command sees the original merge, and happily announces that all is well and branches have been already merged. What do I do now? Create a 'Revert "Revert "28s -> develop"" ' commit? Doesn't seem to be a good way to do it, but I can't imagine any other at the moment.
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How to merge dictionaries of dictionaries?
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this is actually quite tricky - particularly if you want a useful error message when things are inconsistent, while correctly accepting duplicate but consistent entries (something no other answer here does....)
assuming you don't have h...