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Can I extend a class using more than 1 class in PHP?

... Answering your edit : If you really want to fake multiple inheritance, you can use the magic function __call(). This is ugly though it works from class A user's point of view : class B { public function method_from_b($s) { echo $s; } } c...
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Python append() vs. + operator on lists, why do these give different results?

...quences) by concatenating the element. The append-method however does literally what you ask: append the object on the right-hand side that you give it (the array or any other object), instead of taking its elements. An alternative Use extend() if you want to use a function that acts similar to the ...
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MySQL: Insert record if not exists in table

... I'm not actually suggesting that you do this, as the UNIQUE index as suggested by Piskvor and others is a far better way to do it, but you can actually do what you were attempting: CREATE TABLE `table_listnames` ( `id` int(11) NOT NUL...
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Twitter Bootstrap 3: how to use media queries?

...electors used in BS4. There is no "lowest" setting in BS4 because "extra small" is the default. I.e. you would first code the XS size and then have these media overrides afterwards. @media(min-width:576px){} @media(min-width:768px){} @media(min-width:992px){} @media(min-width:1200px){} Update 201...
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C# vs C - Big performance difference

... Since you never use 'root', the compiler may have been removing the call to optimize your method. You could try to accumulate the square root values into an accumulator, print it out at the end of the method, and see what's going on. Edit : see Jalf's answer below ...
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How to dynamically change a web page's title?

...like, document.title = "This is the new page title.";, but that would totally defeat the purpose of SEO. Most crawlers aren't going to support javascript in the first place, so they will take whatever is in the element as the page title. If you want this to be compatible with most of the...
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How can I use different certificates on specific connections?

... All this code does is replicate what you can accomplish by setting three system properties described in the JSSE Refernence Guide. – Marquis of Lorne May 31 '12 at 19:36 ...
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How can I handle time zones in my webapp?

... The majority of your users probably will not change timezones much, or at all. For the most part, the situation you outlined is uncommon. By implementing a dropdown with a suitable default, you should be able to make things easy enough for those who do move around (because they typically have a bet...
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Does it make any sense to use inline keyword with templates?

...is not. Adding inline on a template is irrelevant, and clang-tidy will actually remove it. – gnzlbg Aug 9 '17 at 9:32 ...
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Resolving MSB3247 - Found conflicts between different versions of the same dependent assembly

...sn't show up, make sure that the checkbox at the bottom of the dialog Show all settings is checked. In the tools/options page that appears, set the MSBuild project build output verbosity level to the appropriate setting depending on your version: Diagnostics when on VS2012, VS2013 or VS2015 (the ...