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Split data frame string column into multiple columns
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answered Dec 4 '10 at 4:21
hadleyhadley
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What are inline namespaces for?
...n the enclosing namespace . I cannot think of any useful application of this -- can somebody please give a brief, succinct example of a situation where an inline namespace is needed and where it is the most idiomatic solution?
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Set up a scheduled job?
I've been working on a web app using Django, and I'm curious if there is a way to schedule a job to run periodically.
24 A...
Reverse colormap in matplotlib
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edited Nov 1 '14 at 5:13
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navigator.geolocation.getCurrentPosition sometimes works sometimes doesn't
...nformation online about it. Nothing at all in the books. Finally I found this sober query on stackoverflow and (ha!) it was the final impetus I needed to set up an account here.
And I have a partial answer, but alas not a complete one.
First of all, realise that the default timeout for getCurrentP...
Print Current Mercurial Revision Hash?
Is there a better way extract the current revision hash in Mercurial than
8 Answers
8
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How do you calculate log base 2 in Java for integers?
... evaluate to. For example, Math.ceil(Math.log(1<<29) / Math.log(2)) is 30 on my PC where mathematically it should be exactly 29. I didn't find a value for x where (int)(Math.log(x)/Math.log(2)) fails (just because there are only 32 "dangerous" values), but it does not mean that it will work t...
How to improve Netbeans performance?
Is there a real way to get Netbeans to load and work faster?
29 Answers
29
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Why does the order in which libraries are linked sometimes cause errors in GCC?
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(See the history on this answer to get the more elaborate text, but I now think it's easier for the reader to see real command lines).
Common files shared by all below commands
$ cat a.cpp
extern int a;
int main() {
return a;
}
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How to Sync iPhone Core Data with web server, and then push to other devices? [closed]
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I suggest carefully reading and implementing the sync strategy discussed by Dan Grover at iPhone 2009 conference, available here as a pdf document.
This is a viable solution and is not that difficult to implement (Dan implemented this in several of its applications), overlapping the solu...