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how to provide a swap function for my class?

... if you absolutely need to, or provide a member swap that is called by the free function: // version 1 class Bar{ public: friend void swap(Bar& lhs, Bar& rhs) { // .... } }; // version 2 class Bar{ public: void swap(Bar& other) { // ... } }; void swap(Bar& l...
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Getting value of select (dropdown) before change

... ddl.data('previous', ddl.val()); }); – free4ride Jan 16 '14 at 15:12 5 ...
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Bootstrap 3 modal vertical position center

...al suporte can use JavaScript to set the margins. – Walter Chapilliquen - wZVanG Apr 4 '15 at 23:22 21 ...
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How to view the list of compile errors in IntelliJ?

... To initially access the 'settings' - CTRL+ALT+S (or File > Settings) – Chris Halcrow May 22 '19 at 0:18 ...
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iOS: Access app-info.plist variables in code

...working on a Universal app & would like to access the values stored in app-info.plist file in my code. 5 Answers ...
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Android OpenGL ES and 2D

... I see a lot of good info has already been provided. I wanted to share a site that helped get up to speed on OpenGLE quick! It only took a few months and had a custom coordinate system based on the Cartesian coordinate system. I was able to re...
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Is there an equivalent to background-size: cover and contain for image elements?

...t;div class="container"> <img src="http://placehold.it/200x200" alt="" /> </div> share | improve this answer | follow | ...
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Where do I find the current C or C++ standard documents?

...ard on Amazon C99 Standard on Amazon Standards committee draft versions (free) The working drafts for future standards are often available from the committee websites: C++ committee website C committee website If you want to get drafts from the current or earlier C/C++ standards, there are so...
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What is the naming convention in Python for variable and function names?

...are you using, that doesn't know that underscore continues a word? Lots of free ones that do. I use Notepad++, if an IDE isn't available. For that, can download a template for python editing. (Others can recommend even more useful free downloads.) – ToolmakerSteve ...
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How to automatically generate N “distinct” colors?

...comes to the rescue Arbitrary N Colour displays for categorical images (free download) A WEB SERVICE TO PERSONALISE MAP COLOURING (free download, a webservice solution should be available by next month) An Algorithm for the Selection of High-Contrast Color Sets (the authors offer a free C++ imple...