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Get the client's IP address in socket.io
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@GarciadelCastillo you are behind a proxy probably. try this: stackoverflow.com/a/11187053/971459
– Samson
Jun 25 '13 at 9:30
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How to check that an element is in a std::set?
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The typical way to check for existence in many STL containers such as std::map, std::set, ... is:
const bool is_in = container.find(element) != container.end();
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Can't update Macports (with Mac OS X Mavericks)
After upgrading Mac OS X to newest version Mavericks, I attempted to selfupdate my Macports, but it failed:
9 Answers
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Mime type for WOFF fonts?
...it was announced that in the meantime Chromium will recognize
application/x-font-woff
as the mime-type for WOFF. I know this change is now in Chrome beta and if not in stable yet, it shouldn't be too far away.
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Resize svg when window is resized in d3.js
...attributes and no width and height attr.
.attr("preserveAspectRatio", "xMinYMin meet")
.attr("viewBox", "0 0 600 400")
// Class to make it responsive.
.classed("svg-content-responsive", true)
// Fill with a rectangle for visualization.
.append("rect")
.classed("rect", tru...
What does T&& (double ampersand) mean in C++11?
...velopers.
CAUTION: the linked article on MSDN ("Rvalue References: C++0x Features in VC10, Part 2") is a very clear introduction to Rvalue references, but makes statements about Rvalue references that were once true in the draft C++11 standard, but are not true for the final one! Specifically, i...
How do I exchange keys with values in a dictionary?
... While this seems to be correct, its really good to add an explanation of how it works rather than just the code.
– Will
Sep 10 '15 at 19:49
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The written versions of the logical operators
...test program in NetBeans, I got the red underlining as if there was a syntax error and figured the website was wrong, but it is NetBeans which is wrong because it compiled and ran as expected.
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Storing Python dictionaries
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Pickle save:
try:
import cPickle as pickle
except ImportError: # Python 3.x
import pickle
with open('data.p', 'wb') as fp:
pickle.dump(data, fp, protocol=pickle.HIGHEST_PROTOCOL)
See the pickle module documentation for additional information regarding the pr...
Where to install Android SDK on Mac OS X?
Where should the Android SDK be installed on Mac OS X?
12 Answers
12
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