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Require returns an empty object
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How to deal with “data of class uneval” error from ggplot2?
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Another cause is accidentally putting the data=... inside the aes(...) instead of outside:
RIGHT:
ggplot(data=df[df$var7=='9-06',], aes(x=lifetime,y=rep_rate,group=mdcp,color=mdcp) ...)
WRONG:
ggplot(aes(data=df[df$var7=='9-06',],x=lifetime,y=...
Why “no projects found to import”?
... If your sources and .class files are in the same directory, you probably didn't have a eclipse project.
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Groovy / grails how to determine a data type?
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Removing X-Powered-By
...controlled by the expose_php setting in PHP.ini:
expose_php = off
Decides whether PHP may expose the fact that it is installed on the server (e.g. by adding its signature to the Web server header). It is no security threat in any way, but it makes it possible to determine whether you use PHP o...
How to abandon a hg merge?
...ht about when I figured it out myself. I'm in emacs, so M-x indent-region did the reindent trick.
– Grumdrig
Apr 3 '10 at 4:33
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connect local repo with remote repo
...as well. How can I connect these two repos without losing any work that I did?
2 Answers
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Disable assertions in Python
...t completely what i was thinking about. I would like to disable asserts inside a function during runtime, ideally with some sort of context manager: assertion is evaluated: foo() and switching assertions off: with skip_assertion(): foo(). The benefit of this being that i dont have to add another f...
Java volatile reference vs. AtomicReference
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No, there is not.
The additional power provided by AtomicReference is the compareAndSet() method and friends. If you do not need those methods, a volatile reference provides the same semantics as AtomicReference.set() and .get().
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Can I install the “app store” in an IOS simulator?
...is updated link of apple doc developer.apple.com/library/ios/documentation/IDEs/Conceptual/…
– Rohit Kale
Apr 13 '15 at 6:27
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