...nces if you use a rather long function, such as //! sleeps for one second and returns 1 auto sleep = [](){ std::this_thread::sleep_for(std::chrono::seconds(1)); return 1; }; Packaged task A packaged_task won't start on it's own, you have to invoke it: std::packaged_task<int()> tas...

...e past I've done this kind of validation by overloading the KeyPress event and just removing characters which didn't fit the specification. I've looked at the MaskedTextBox control but I'd like a more general solution that could work with perhaps a regular expression, or depend on the values of othe...

...l machines, running on VirtualBox. We would like to move one step further, and use the capabilities of Vagrant to have the description of the machine in a text file and then be able to "raise" that machine based on that text file. Combined to puppet, this would solve us the problem that everyone hav...

...d to make compiling faster. Rather than parsing the same header files over and over, these files get parsed once, ahead of time. Xcode In Xcode, you add imports of the header files you want in a “prefix header,” and enabling Precompile Prefix Header so they get precompiled. But the idea behind a...

...has its own web framework which is pythonic has URL dispatcher like Django and it uses Django templates So if you have Django exp. you will find it easy to use But you can use any pure python framework and Django can be easily added see http://code.google.com/appengine/articles/django.html google-...

... I don't understand where the first "result with sample data" is coming from, but the problem in the console app is that you're using SelectMany to look at each item in each group. I think you just want: List<ResultLine> result = Lin...

... Because "abstract" means: "Implements no functionality", and "static" means: "There is functionality even if you don't have an object instance". And that's a logical contradiction. share | ...

What happens to an open file handle on Linux if the pointed file meanwhile gets: 7 Answers ...

...id. 0. Check the maven repositiory server is up 1. Check Proxy is set up and working First I thought it was a proxy problem, I made sure that maven settings.xml contained the proxy settings (settings.xml can exist in two places one in MAVEN_HOME. The other in %userprofile%.m2\ with the later havi...

... PDB You can use the pdb module, insert pdb.set_trace() anywhere and it will function as a breakpoint. >>> import pdb >>> a="a string" >>> pdb.set_trace() --Return-- > <stdin>(1)<module>()->None (Pdb) p a 'a string' (Pdb) To continue executio...