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How do I show the value of a #define at compile-time?

... GCC terminology seems to have changed, and with it the URL, which is now https://gcc.gnu.org/onlinedocs/cpp/Stringizing.html#Stringizing – Chris Barry Aug 29 '19 at 11:14 ...
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Why is the default value of the string type null instead of an empty string?

... state. For a broader discussion on empty and nulls, see the links below. https://softwareengineering.stackexchange.com/questions/32578/sql-empty-string-vs-null-value NULL vs Empty when dealing with user input share ...
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How expensive is RTTI?

...tions won't work). [1] Known as the Itanium C++ ABI, documented at http://www.codesourcery.com/public/cxx-abi/abi.html. The names are horribly confusing: the name refers to the original development architecture, though the ABI specification works on lots of architectures including i686/x86_64. Comm...
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CSS Image size, how to fill, not stretch?

...42" height="363" /> See example here There's a polyfill for IE: https://github.com/anselmh/object-fit share | improve this answer | follow | ...
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jquery get all form elements: input, textarea & select

... }); $('#results').html(summary.join('<br />')); <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script> <form id="A" style="display: none;"> <input type="text" /> <button>Submit</button> </form> <f...
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Generating a random password in php

... * For PHP 7, random_int is a PHP core function * For PHP 5.x, depends on https://github.com/paragonie/random_compat * * @param int $length How many characters do we want? * @param string $keyspace A string of all possible characters * to select from * @return str...
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Heatmap in matplotlib with pcolor?

...ay ax.invert_yaxis() ax.xaxis.tick_top() # Set the labels # label source:https://en.wikipedia.org/wiki/Basketball_statistics labels = [ 'Games', 'Minutes', 'Points', 'Field goals made', 'Field goal attempts', 'Field goal percentage', 'Free throws made', 'Free throws attempts', 'Free throws per...
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rbenv not changing ruby version

...env export PATH="$HOME/.rbenv/shims:$PATH" This is what is documented at https://github.com/sstephenson/rbenv. From what I can tell there is no ~/.rbenv/bin directory, which was mentioned in the post by @rodowi. share ...
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Django Rest Framework: Dynamically return subset of fields

...fied fields in url. /?fields=field1,field2 You can find a reminder here : https://gist.github.com/Kmaschta/e28cf21fb3f0b90c597a share | improve this answer | follow ...
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git difftool, open all diff files immediately, not in serial

... git meld => https://github.com/wmanley/git-meld is an awesome script which will open a neat diff of all the files in a single window. share | ...