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On localhost, how do I pick a free port number?

...e explained above: import socket from contextlib import closing def find_free_port(): with closing(socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as s: s.bind(('', 0)) s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) return s.getsockname()[1] ...
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WPF chart controls [closed]

... Free tools supporting panning / zooming: Live Charts ScottPlot DynamicDataDisplay - a nice, open source data visualization library. Unfortunately it's not been updated since April 30, 2009. OxyPlot Free tools without built ...
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Testing web application on Mac/Safari when I don't own a Mac

...e them realtime on MAC Safari is by using Browserstack They have like 25 free minutes of first time testing and then 10 free mins each day..You can even test your pages from your local PC by using their WEB TUNNEL Feature I tested 7 to 8 pages in browserstack...And I think they have some java deb...
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Thou shalt not inherit from std::vector

...at only if it is really necessary. Only if you can't do what you want with free functions (e.g. should keep some state). The problem is that MyVector is a new entity. It means a new C++ developer should know what the hell it is before using it. What's the difference between std::vector and MyVector...
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Is gcc 4.8 or earlier buggy about regular expressions?

...c --version gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-11) Copyright (C) 2015 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. $ ./a.out <regex> doesn't work, look...
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Code signing certificate for open-source projects?

... For open source developers, Certum provides code signing certificates for free* Just enter "open source developer" in the "company" field when you request the certificate. That's it. Link to open source code signing certificates is here [*] Starting 2016, the Open Source Code Signing certificate...
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What's the best UML diagramming tool? [closed]

... but I'd still take more power with a steeper learning curve and be happy. Free (as in beer) would be nice, but I'd be willing to pay if the tool's worth it. What should I be using? ...
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How is malloc() implemented internally? [duplicate]

...s space efficient. Also, the design must of course take into account that "free" needs to make space available to malloc again somehow. You don't just hand out memory without reusing it. If you're interested, the OpenSER/Kamailio SIP proxy has two malloc implementations (they need their own because...
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When and why will a compiler initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?

...n. 0xDD Dead Memory Memory that has been released with delete or free. It is used to detect writing through dangling pointers. 0xED or Aligned Fence 'No man's land' for aligned allocations. Using a 0xBD different value here than 0xFD allo...
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What's the absurd function in Data.Void useful for?

... Consider this representation for lambda terms parametrized by their free variables. (See papers by Bellegarde and Hook 1994, Bird and Paterson 1999, Altenkirch and Reus 1999.) data Tm a = Var a | Tm a :$ Tm a | Lam (Tm (Maybe a)) You can certainly make this a Functor...