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Difference between Divide and Conquer Algo and Dynamic Programming
... there are two key attributes that divide and conquer problem must have in order for dynamic programming to be applicable:
Optimal substructure — optimal solution can be constructed from optimal solutions of its subproblems
Overlapping sub-problems — problem can be broken down into sub...
How good is Java's UUID.randomUUID?
...isions
the number of random version 4 UUIDs which need to be generated in order to have a 50% probability of at least one collision is 2.71 quintillion, computed as follows:
...
This number is equivalent to generating 1 billion UUIDs per second for about 85 years, and a file containing this many UU...
Execute command on all files in a directory
...d executions is redirected to
results.out
However, if you care about the order in which the files are processed, you
might be better off writing a loop. I think find processes the files
in inode order (though I could be wrong about that), which may not be what
you want.
...
How to handle command-line arguments in PowerShell
...that is not a bug! Powershell will process and assign the arguments in the order they're given, unless overridden by using the proper parameter name, e.g., if your param block lists: $user $pass $server, and you execute yourscript.ps1 a b c, a will be set into $user, b into $pass and c into $server,...
How do I get started with Node.js [closed]
...
Are the books ordered by your value in them or randomly? Looking to purchase a good reference manual on nodeJS's basics.
– David
May 17 '11 at 15:11
...
In Python, how do you convert seconds since epoch to a `datetime` object?
...thon 3", "Python 2") would be useful - and I also recommend changing their order.
– Adam Matan
Jan 8 '16 at 11:45
Upda...
Git Tag list, display commit sha1 hashes
...ed but missing in it, like full tag details and tags in the commit history order.
I like this instead, which gives exactly what I want but can't get from git tag:
git log --oneline --decorate --tags --no-walk
This gives a very nice color-coded view of the tags in the reverse chronological order ...
How do I rename a repository on GitHub?
...sitory and then proceed to clone the repo so you can have a local copy. In order to rename the Github repo, you just need to:
Go to the repository site (i.e https://github.com/userX/repositoryZ).
In the navigation bar, you will see a tab named "Settings". Click on it.
Just edit the current reposit...
Hashing a file in Python
... benchmarked both the solution of (1) @Randall Hunt and (2) yours (in this order, is important due to file cache) with a file of around 116GB and sha1sum algorithm. Solution 1 was modified in order to use a buffer of 20 * 4096 (PAGE_SIZE) and set buffering parameter to 0. Solution 2 only algorithm w...
Rebase array keys after unsetting elements
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+1. I note that the manual does not explicitly state that ordering will be maintained, but I can't see why it wouldn't be.
– Lightness Races in Orbit
May 9 '11 at 22:20
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