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How to determine if I can write the given number of bytes to a filehandle (socket actually)? (Alternatively, how to "unread" the data I had read from other filehandle?)
I want something like:
n = how_much_can_I_write(w_handle);
n = read(r_handle, buf, n);
assert(n==write(w_handle, buf, n));
Both…
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I made JNI functions and linked them with the c++ dynamic library successfully. I got all of them working just fine, but I had an issue for one function, I got symbol lookup error from the FileHandle class that I used in the c++ that I use to read data from file.
Knowing that it's working on a normal…
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I'm testing this code using LibGDX, Java, and Eclipse to test the music player that detects the frequency. I saw this one on this website plus the link on GitHub:
http://gtomee.com/2012/07/28/audio-spectrum-visualizer-with-libgdx/
It works when running on desktop project folder but not on Android…
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Here's the relevant excerpt from the documentation of the ref function:
The value returned depends on the type of thing the reference is a reference to. Builtin types include:
SCALAR
ARRAY
HASH
CODE
REF
GLOB
LVALUE
FORMAT
IO
VSTRING
Regexp
Based on this, I imagined that calling ref on a…
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With the open command in Perl, you can use a filehandle. However I have trouble getting back the exit code with the open command in Perl.
With the system command in Perl, I can get back the exit code of the program I'm running. However I want to just redirect the STDOUT to some filehandle (no stderr)…
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