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PyPy — How can it possibly beat CPython?

... the PyPy python interpreter however they change their implementation, allowing for much more freedom in experimentation to improve performance (without worrying about introducing GC bugs or updating the JIT compiler to cope with the changes). It also means when they get around to implementing a Pyt...
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Should image size be defined in the img tag height/width attributes or in CSS? [duplicate]

...ode. .my_images img {width: 20px; height:20px} In the long term CSS may win out due to HTML attribute deprecation and more likely due to the growth of vector image formats like SVG where it can actually make sense to scale images using non-pixel based units like % or em. ...
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Unmangling the result of std::type_info::name

... 184647), clang 3.5 (trunk 202594) on Linux 64 bit and g++ 4.7.2 (Mingw32, Win32 XP SP2). If you cannot use C++11 features, here is how it can be done in C++98, the file type.cpp is now: #include "type.hpp" #ifdef __GNUG__ #include <cstdlib> #include <memory> #include <cxxabi.h> ...
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Making a property deserialize but not serialize with json.net

...rialization.Json & Newtonsoft.Json) and it worked for me like the following: flag all your class and sub-classes as "DataContract". flag all the properties of your class and sub-classes as "DataMember". flag all the properties of your class and sub-classes as "JsonProperty" except those you ...
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What is the fastest way to compute sin and cos together?

...ng of compiler flags for this to work, but: $ gcc --version i686-apple-darwin9-gcc-4.0.1 (GCC) 4.0.1 (Apple Inc. build 5488) Copyright (C) 2005 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS...
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MAC addresses in JavaScript

...olution which relied on using ActiveX objects. If you could post a link showing otherwise... – GateKiller Jan 12 '11 at 16:52 26 ...
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What does Serializable mean?

...rder to explain the idea: Let's say you have a class person like the following: public class Person implements java.io.Serializable { /** * */ private static final long serialVersionUID = 1L; public String firstName; public String lastName; public int age; public...
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Turning Sonar off for certain code

...a SonarQube FAQ? I see a login form instead of FAQ – Win4ster Mar 12 '18 at 10:54 add a comment  |  ...
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Best way to make Java's modulus behave like it should with negative numbers?

...d not the exact mod operator, and your x's do not cluster near 0, the following will be even faster, as there is more instruction level parallelism and the slow % computation will occur in parallel with the other parts as they do not depend on its result. return ((x >> 31) & (n - 1)) + (...
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Pimpl idiom vs Pure virtual class interface

...ltiple pimpls depending on the implementation desired. Often this is say a win32 impl vs a linux impl of something that needs to be implemented differently per platform. – Doug T. May 5 '09 at 14:10 ...