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Expert R users, what's in your .Rprofile? [closed]
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I'm not sure, but I think that now X11.options has been replace by windows.options. Is that true?
– Manuel Ramón
Nov 4 '11 at 7:17
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Make an HTTP request with android
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Note: The Apache HTTP Client bundled with Android is now deprecated in favor of HttpURLConnection. Please see the Android Developers Blog for more details.
Add <uses-permission android:name="android.permission.INTERNET" /> to your manifest.
You would then retrieve a web...
nginx - nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
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I was taking 404 Not Found, and I used your suggestion, now I did fix my problem. Thanks.
– Bay
Nov 23 '18 at 7:40
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Most efficient way to increment a Map value in Java
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Now there is a shorter way with Java 8 using Map::merge.
myMap.merge(key, 1, Integer::sum)
What it does:
if key do not exists, put 1 as value
otherwise sum 1 to the value linked to key
More information here.
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Sequence-zip function for c++11?
...rs, and which return zip_iterator from the begin and end member functions. Now you can write
for (auto p: zip(c1, c2)) { ... }
Example implementation (please test):
#include <iterator>
#include <boost/iterator/zip_iterator.hpp>
template <typename C1, typename C2>
class zip_con...
What are the differences between ArrayList and Vector?
...t personal experience from clunking aroun huge arrays. Over three years on now, I can't point you to exactly what I was talking about but there are plenty of benchmarks out there. It's not until threading where you see the biggest jumps but here's one: javacodegeeks.com/2010/08/…
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Read-only list or unmodifiable list in .NET 4.0
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I feel a bit stupid having asked this question now - and not known about ReadOnlyCollection
– Chris S
Jun 12 '09 at 8:56
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Which one will execute faster, if (flag==0) or if (0==flag)?
... ; <i32> [#uses=1]
ret i32 %.0
}
Even if one does not know how to read the IR, I think it is self explanatory.
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How can I lookup a Java enum from its String value?
...nly move on later to Map implementation if your profiler tells you to.
I know it's iterating over all the values, but with only 3 enum values it's hardly worth any other effort, in fact unless you have a lot of values I wouldn't bother with a Map it'll be fast enough.
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Why can't Python find shared objects that are in directories in sys.path?
...to my user to read the library after setting the LD_LIBRARY_PATH variable. Now it finally works.
– José Ricardo
Jul 31 '13 at 13:41
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