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Why do people put code like “throw 1; ” and “for(;;);” in front of json responses? [du
...;/script>
What will happen now is that the Javascript code that comes from Google -- which the asker thought would be benign and immediately fall out of scope -- will actually be posted to my evil site. Suppose that the URL requested in the script tag sends (because your browser will present th...
Why does PHP 5.2+ disallow abstract static class methods?
...ling strict warnings in PHP 5.2, I saw a load of strict standards warnings from a project that was originally written without strict warnings:
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When should I write the keyword 'inline' for a function/method?
...ke sure it doesn't accidentally use a statically defined variable/function from another translation unit.
extern - use this variable/function name in this translation unit but don't complain if it isn't defined. The linker will sort it out and make sure all the code that tried to use some extern sy...
How do I count a JavaScript object's attributes? [duplicate]
...o easy answer, because Object — which every object in JavaScript derives from — includes many attributes automatically, and the exact set of attributes you get depends on the particular interpreter and what code has executed before yours. So, you somehow have to separate the ones you defined fro...
How to split a dos path into its components in Python
...tead of '\\' or '/', as this makes it system independent.
To remove colon from the drive letter (although I don't see any reason why you would want to do that), you can write:
path_list[0] = path_list[0][0]
share
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Does it make sense to use Require.js with Angular.js? [closed]
I'm a newbie to Angular.js and trying to understand how it's different from Backbone.js... We used to manage our packages dependencies with Require.js while using Backbone. Does it make sense to do the same with Angular.js?
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How to convert ASCII code (0-255) to its corresponding character?
How can I convert, in Java, the ASCII code (which is an integer from [0, 255] range) to its corresponding ASCII character?
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Javascript calculate the day of the year (1 - 366)
How do I use javascript to calculate the day of the year, from 1 - 366? For example:
22 Answers
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Using the RUN instruction in a Dockerfile with 'source' does not work
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Original Answer
FROM ubuntu:14.04
RUN rm /bin/sh && ln -s /bin/bash /bin/sh
This should work for every Ubuntu docker base image. I generally add this line for every Dockerfile I write.
Edit by a concerned bystander
If you want to...
In C++, what is a virtual base class?
... foo() ;
int m_iValue ;
} ;
When you'll try to access m_iValue from D, the compiler will protest, because in the hierarchy, it'll see two m_iValue, not one. And if you modify one, say, B::m_iValue (that is the A::m_iValue parent of B), C::m_iValue won't be modified (that is the A::m_iVal...