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Meaning of Git checkout double dashes
What is the meaning of the double dashes before the file name in this git command?
3 Answers
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How to specialize std::hash::operator() for user-defined type in unordered containers?
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while this is possible, would you in general recommend doing it this way? I'd prefer instantiation unorder_map<eltype, hash, equality> instead, to avoid ruining someone's day with funny ADL business. (Edit Pete Becker's advice on this topic)
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bool operator ++ and --
Today while writing some Visual C++ code I have come across something which has surprised me. It seems C++ supports ++ (increment) for bool, but not -- (decrement). It this just a random decision, or there is some reason behind this?
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How to create an HTTPS server in Node.js?
...xample.
https://web.archive.org/web/20120203022122/http://www.silassewell.com/blog/2010/06/03/node-js-https-ssl-server-example/
This works for node v0.1.94 - v0.3.1. server.setSecure() is removed in newer versions of node.
Directly from that source:
const crypto = require('crypto'),
fs = requ...
What is a proper naming convention for MySQL FKs?
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Why does MSBuild look in C:\ for Microsoft.Cpp.Default.props instead of c:\Program Files (x86)\MSBui
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I got this problem when publishing a cocos2d-x application using their command line tool, which calls MSBuild. I'm using Win 7 64-bit, VS2013 express, cocos2d-x version 3.3, .NET Framework 4.5 installed.
I fixed the problem by setting the following before running the cocos.py publish command:
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angular.element vs document.getElementById or jQuery selector with spin (busy) control
...d" version of the Spin control, as documented here: http://blog.xvitcoder.com/adding-a-weel-progress-indicator-to-your-angularjs-application/
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What is the difference between NaN and None?
...ut[13]: dtype('O')
In [14]: s_good.dtype
Out[14]: dtype('float64')
Jeff comments (below) on this:
np.nan allows for vectorized operations; its a float value, while None, by definition, forces object type, which basically disables all efficiency in numpy.
So repeat 3 times fast: ob...
What is the difference between Gemfile and Gemfile.lock in Ruby on Rails
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