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Generate a UUID on iOS from Swift
...alue back out, you can use uuid.UUIDString.
Note that NSUUID is available from iOS 6 and up.
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Custom domain for GitHub project pages
...c are not clear or linear.
Step 1: Enable GitHub pages in GitHub settings
From your repo, click on the tab
Scroll down to the GitHub Pages section. You have two options:
Choosing master branch will treat /README.md as your web index.html. Choosing master branch /docs folder will treat /docs/REA...
design a stack such that getMinimum( ) should be O(1)
... has better space in general. We still have the min stack, but we only pop from it when the value we pop from the main stack is equal to the one on the min stack. We only push to the min stack when the value being pushed onto the main stack is less than or equal to the current min value. This allows...
Will docker container auto sync time with the host machine?
...ontainer to periodically sync the time or the container will sync the time from its host machine?
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Does Python optimize tail recursion?
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Or if you're going to transform it like that - just: from operator import add; reduce(add, xrange(n + 1), csum) ?
– Jon Clements♦
Nov 27 '12 at 20:10
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Change a column type from Date to DateTime during ROR migration
I need to change my column type from date to datetime for an app I am making. I don't care about the data as its still being developed.
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hasNext in Python iterators?
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@LarsH: You mean e.g. an iterator that reads from a file that can be changed while reading from it? I agree that this can be a problem (which affects any library providing next() and hasNext() method, not just a hypothetical Python library). So yes, next() and hasNext()...
How to avoid “cannot load such file — utils/popen” from homebrew on OSX
...Ruby.framework/Versions/Current
This will force Homebrew to use Ruby 1.8 from the system's installation.
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Getting the difference between two sets
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Try this
test2.removeAll(test1);
Set#removeAll
Removes from this set all of its elements that are contained in the specified collection (optional operation). If the specified collection is also a set, this operation effectively modifies this set so that its value is the asymmetri...
Nested classes' scope?
... @George Note that the example with class A isn't mine, it is from the Python official doc whose I gave link. This example fails and that failure is what is wanted to be shown in this example. In fact list(a + i for i in range(10)) is list((a + i for i in range(10))) that is to say list...