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Multi-key dictionary in c#? [duplicate]

...implementation itself: http://msdn.microsoft.com/en-us/library/dd270346(v=vs.110).aspx The obj parameter is considered to be equal to the current instance under the following conditions: It is a Tuple object. Its two components are of the same types as the current instance. Its two components...
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Android selector & text color

... Should the selector really reside under res/color folder? – mr5 Apr 21 '17 at 4:29  |  sh...
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How do I test a file upload in rails?

...ing to make it available on SO. The rails framework has a function fixture_file_upload (Rails 2 Rails 3, Rails 5), which will search your fixtures directory for the file specified and will make it available as a test file for the controller in functional testing. To use it: 1) Put your file to be ...
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How can I get the current page name in WordPress?

...theme.php, inside the function get_page_template(), which is of course is called before your page theme files are parsed, so it is available at any point inside your templates for pages. Although it doesn't appear to be documented, the $pagename var is only set if you use permalinks. I guess this i...
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Find nearest latitude/longitude with an SQL query

... Additionally, it does not take into account the curvature of the earth. This would not be an issue for short search radii. Otherwise Evan's and Igor's answers are more complete. – John Vance N...
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CSS technique for a horizontal line with words in the middle

...lign:left; text-indent:40px;" in the h2 style. – Matt__C Mar 27 '13 at 21:04 17 This is not flexi...
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Iterator invalidation rules

... C++17 (All references are from the final working draft of CPP17 - n4659) Insertion Sequence Containers vector: The functions insert, emplace_back, emplace, push_back cause reallocation if the new size is greater than the old capa...
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C++ templates that accept only certain types

...ply forward-declare a global template, but only define (explicitly or partially specialise) it for the valid types: template<typename T> class my_template; // Declare, but don't define // int is a valid type template<> class my_template<int> { ... }; // All pointer types...
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What exactly does an #if 0 … #endif block do?

...entire thing. And the #if 0s will nest with each other, like so: #if 0 pre_foo(); #if 0 foo(); bar(x, y); /* x must not be NULL */ baz(); #endif quux(); #endif Although of course this can get a bit confusing and become a maintenance headache if not commented properly. ...
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ActionBar text color

...ring) doesn't work for <font color='#'>text</font>. Additionally, if you want to use a color resource, this code can be used to get the correct HEX String, and removing the alpha if needed (the font tag does not support alpha): int orange = getResources().getColor(R.color.orange); St...