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RAII and smart pointers in C++
...t. This has two drawbacks - firstly, wherever we use File, we will have to called File::close() - if we forget to do this, we're holding onto the file longer than we need to. The second problem is what if an exception is thrown before we close the file?
Java solves the second problem using a finall...
Why are #ifndef and #define used in C++ header files?
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Those are called #include guards.
Once the header is included, it checks if a unique value (in this case HEADERFILE_H) is defined. Then if it's not defined, it defines it and continues to the rest of the page.
When the code is includ...
What is the difference between quiet NaN and signaling NaN?
...emented is not well standardized and floating-point exceptions are not typically caught the same way as standard C++ exceptions.
In POSIX/Unix systems, floating point exceptions are typically caught using a handler for SIGFPE.
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How to display request headers with command line curl
...e thing is that -I does a HEAD request, like acw stated and when your curl call set up to do another call you have two HTTP requests in curl call...
– flu
May 15 '14 at 9:54
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Loop backwards using indices in Python?
...rsed has no way to tell the xrange to go backwards... (Since Python 2.6 it calls __reversed__().)
– Robert Siemer
Jun 21 '12 at 18:31
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Difference between virtual and abstract methods [duplicate]
...cases where you want to hide methods are pretty rare. So unless you specifically want to use method hiding, you should always use the override keyword
– Dennisch
Mar 3 '15 at 12:47
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Progress indicator during pandas operations
...ase you're interested in how this works (and how to modify it for your own callbacks), see the examples on github, the full documentation on pypi, or import the module and run help(tqdm). Other supported functions include map, applymap, aggregate, and transform.
EDIT
To directly answer the original...
How can I plot with 2 different y-axes?
...pied material that was on the R wiki at http://rwiki.sciviews.org/doku.php?id=tips:graphics-base:2yaxes, link now broken: also available from the wayback machine
Two different y axes on the same plot
(some material originally by Daniel Rajdl 2006/03/31 15:26)
Please note that there are very few s...
What is the claims in ASP .NET Identity
Can somebody please explain, what the claim mechanism means in new ASP.NET Identity Core?
3 Answers
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What does “connection reset by peer” mean?
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It cannot be called 'connection reset by server' because it can be sent by the client or the server. It cannot be 'bypassed'. If a client receives this error this means the TCP connection is no longer open in the server, for example since...