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Algorithm to return all combinations of k elements from n
...iterate n (x - (choose max i)) (i-1)
in
if x < 0 then failwith "errors" else
let idxs = iterate (List.length set) x k in
List.map (List.nth set) (List.sort (-) idxs)
A small and simple combinations iterator
The following two algorithms are provided for didactic purposes. They ...
Java 8 Streams - collect vs reduce
...read and never stored.
This code happily generates a java.lang.OutOfMemoryError: Java heap space runtime error, if the file size is large enough or the heap size is low enough. The obvious reason is that it tries to stack all the data that made it through the stream (and, in fact, has already been ...
Get the IP address of the remote host
...e job here and it took me more then 20 minutes to see whats going on build error. I just copied the code and created a class for it, when compiling it was not showing the methods, when I did use "go to definition" on VS it took me to my class, and I keep not understanding whats going on, until I fou...
How do you specify the date format used when JAXB marshals xsd:dateTime?
...wever I was getting Class has two properties of the same name "timeSeries" error - this was solved by putting the annotation at the getter and not at the member level. (Thanks to @megathor from stackoverflow.com/questions/6768544/…)
– gordon613
Jun 30 '15 at ...
Is this a “good enough” random algorithm; why isn't it used if it's faster?
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Floating point arithmetic errors are implementation designed. As far as I know, they are consistent for a certain platform but can differ e.g. between different mobile phones and between PC architectures. Although there are extra 'guard bits' sometime...
How to switch a user per task or set of tasks?
... this - sudo_user: "{{ ansible_ssh_user }}" or you would get a yaml syntax error.
– Sumeet Pareek
Apr 19 '15 at 18:26
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Creating an instance of class
...ects.
In Line 7, you create an object inside the argument call. So its an error.
And Lines 5 and 6 are invitation for memory leak.
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URL-parameters and logic in Django class-based views (TemplateView)
...ch method? Also when I do year = self.kwargs['year'] in the view I get NameError: self not defined.
– user1319936
Apr 2 '13 at 11:53
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Soft wrap at 80 characters in Vim in window of arbitrary width
.... Anchor name should not contain invalid URL characters, SO should not fix errors of other site developers.
– Shadow Wizard is Ear For You
Jun 12 '11 at 13:55
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What is the difference between children and childNodes in JavaScript?
...hat IE only got children right in IE 9. childNodes provides less room for error by browser implementors.
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