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Is there a way to instantiate objects from a string holding their class name?
...function pointer is also a bit oldish. Modern C++ code should be decoupled from specific functions / types. You may want to look into Boost.Function to look for a better way. It would look like this then (the map):
typedef std::map<std::string, boost::function<variant_type()> > map_type...
What are named pipes?
...(open, close, write, read, etc).
To create a named pipe, called "myPipe", from the command line (man page):
mkfifo myPipe
To create a named pipe from c, where "pathname" is the name you would like the pipe to have and "mode" contains the permissions you want the pipe to have (man page):
#...
Loading Backbone and Underscore using RequireJS
...mple to use: (1) one states the dependencies (deps), if any, (which may be from the paths configuration, or may be valid paths themselves). (2) (optionally) specify the global variable name from the file you're shimming, which should be exported to your module functions that require it. (If you don'...
Regular expressions in C: examples?
... @lixiang The last parameter to regcomp, cflags, is a bitmask. From pubs.opengroup.org/onlinepubs/009695399/functions/regcomp.html : "The cflags argument is the bitwise-inclusive OR of zero or more of the following flags...". If you OR-together zero, you'll get 0. I see that the Linux ma...
How to refer to relative paths of resources when working with a code repository
...ou should be able to get to the parent directory using join(foo, '..'). So from /root/python_files/module/myfile, use os.path.join(os.path.dirname(__file__), '..', '..', 'resources')
– c089
Aug 14 '09 at 14:20
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Hash and salt passwords in C#
...o its string representation you can use Convert.ToBase64String and Convert.FromBase64String to convert it back.
You should note that you cannot use the equality operator on byte arrays, it checks references and so you should simply loop through both arrays checking each byte thus
public static boo...
How to git log from all branches for the author at once?
...r command is right, since you use the --all switch which gives all commits from all branches. To answer the question in your comment, it works also in bare repositories.
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How to sort git tags by version string order of form rc-X.Y.Z.W?
...e 2014), you will be able to specify a sorting order!
See commit b6de0c6, from commit 9ef176b, authored by Nguyễn Thái Ngọc Duy (pclouds):
--sort=<type>
Sort in a specific order.
Supported type is:
"refname" (lexicographic order),
"version:refname" or "v:refname" (tag...
Stack, Static, and Heap in C++
...ide the scope of this answer, but suffice to say you always add and remove from the end only. Stacks usually start high and grow down to lower addresses. You run out of memory when the stack meets the dynamic allocator somewhere in the middle (but refer to physical versus virtual memory and fragment...
Send response to all clients except sender
...
From the @LearnRPG answer but with 1.0:
// send to current request socket client
socket.emit('message', "this is a test");
// sending to all clients, include sender
io.sockets.emit('message', "this is a test"); //still ...