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What is href=“#” and why is it used?

...perty is required only for an anchor to actually be a hyperlink! Read this from w3. So, why not just leave it off for placeholders? Browsers render default styles for elements and will change the default style of an anchor tag that doesn't have the href property. Instead, it will be considered like ...
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In OS X Lion, LANG is not set to UTF-8, how to fix it?

... I noticed the exact same issue when logging onto servers running Red Hat from an OSX Lion machine. Try adding or editing the ~/.profile file for it to correctly export your locale settings upon initiating a new session. export LC_ALL=en_US.UTF-8 export LANG=en_US.UTF-8 These two lines added...
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C++ error: undefined reference to 'clock_gettime' and 'clock_settime'

... Quoting twkm from ircnet: the linker only maintains a list of symbols needed. once a file's symbols have been searched, only what it needs is kept, what it provides is discarded and it moves to the next filename. so left to right, but ...
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How to declare constant map

... that this is not possible. Explained what is possible and gave a citation from the docs why exactly is it not possible to do what he wants. – Salvador Dali Nov 13 '16 at 22:16 ...
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What exactly is metaprogramming?

...s that altered themselves at runtime were necessary and very commonplace. From Paul Graham's essay "What Made Lisp Different": Many languages have something called a macro. But Lisp macros are unique. And believe it or not, what they do is related to the parentheses. The designers of Li...
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?: operator (the 'Elvis operator') in PHP

...like to expect `value2` param3 // properly, but problem above Updated From RFC. In the future (in PHP 7) operator Null Coalesce Operator will do it, for example: $param1 = $params['param1'] ?? null; // Equivalent to: $param1 = isset($params['param1']) ? $params['param1'] : null; ...
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When to use references vs. pointers

... From C++ FAQ Lite - Use references when you can, and pointers when you have to. References are usually preferred over pointers whenever you don't need "reseating". This usually means that references are most usefu...
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Enabling markdown highlighting in Vim

...pler solution to the problem than installing a plugin. Fast way to do this from command line: echo "au BufRead,BufNewFile *.md set filetype=markdown" >> .vimrc – RobinLovelace Oct 6 '13 at 8:45 ...
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How to unit test an object with database queries

...rate Data layer. My objects live in the core domain model and are accessed from my application layer. The application layer talks to both the data layer and the domain model layer. The application layer is also sometimes called the "Business Layer". If you are using PHP, create a specific set of c...
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simple HTTP server in Java using only Java SE API

...volved classes and contains examples. Here's a kickoff example copypasted from their docs (to all people trying to edit it nonetheless, because it's an ugly piece of code, please don't, this is a copy paste, not mine, moreover you should never edit quotations unless they have changed in the origina...