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std::shared_ptr of this

...e_shared_from_this just for this purpose. You inherit from it and you can call .shared_from_this() from inside the class. Also, you are creating circular dependencies here that can lead to resource leaks. That can be resolved with the use of std::weak_ptr. So your code might look like this (assuming...
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Can I add a UNIQUE constraint to a PostgreSQL table, after it's already created?

... @Jasen That's totally clear. Just wanted to emphasize that the answer "But if you have non-unique entries on your table. Here is the how to add unique constraint on your table." will not work. Non-unique entries must of course always be conso...
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How can I remove all text after a character in bash?

How can I remove all text after a character, in this case a colon (":"), in bash? Can I remove the colon, too? I have no idea how to. ...
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Eclipse: How do you change the highlight color of the currently selected method/expression?

...f this highlight, but after scouring the eclipse preferences many times in all 3 places, I have yet to find it. 5 Answers ...
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Initializing a member array in constructor initializer

...hing. I'm not exactly sure about the following case, but some compilers do allow it. struct A { char foo[6]; A():foo("hello") { } /* valid? */ }; See this GCC PR for further details. Do C++0x initializer lists solve the problem? Yes, they do. However your syntax is invalid, I think. Y...
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Check if a Postgres JSON array contains a string

...nswered Nov 26 '14 at 8:16 SnowballSnowball 8,03433 gold badges2929 silver badges4444 bronze badges ...
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jquery $(window).width() and $(window).height() return different values when viewport has not been r

I am writing a site using jquery that repeatedly calls $(window).width() and $(window).height() to position and size elements based on the viewport size. ...
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express.js - single routing handler for multiple routes in a single line

Is there a way to make this on a single function call? 6 Answers 6 ...
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What's the difference of ContentType and MimeType

... What's the main difference between the each one, and when is right to call something mimetype as opposed to content-type ? Am i being pitty and grammar nazi? The reason isn't only backward compatibility, and I'm afraid the usually excellent Django documentation is a bit hand-wavy about i...
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Align button at the bottom of div using CSS

...e sure the content div is positioned. To make the content div positioned, all position values that aren't static will work, but relative is the easiest since it doesn't change the divs positioning by itself. So add position:relative; to the content div, remove the float from the button and add the...