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Setting href attribute at runtime

... To get or set an attribute of an HTML element, you can use the element.attr() function in jQuery. To get the href attribute, use the following code: var a_href = $('selector').attr('href'); To set the href attribute, use the following code: $('selector').attr('href','htt...
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How do I convert a Ruby class name to a underscore-delimited symbol?

How can I programmatically turn a class name, FooBar , into a symbol, :foo_bar ? e.g. something like this, but that handles camel case properly? ...
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Ruby Regexp group matching, assign variables on 1 line

... You don't want scan for this, as it makes little sense. You can use String#match which will return a MatchData object, you can then call #captures to return an Array of captures. Something like this: #!/usr/bin/env ruby string = "RyanOnRai...
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Store query result in a variable using in PL/pgSQL

...sult of a SQL command yielding a single row (possibly of multiple columns) can be assigned to a record variable, row-type variable, or list of scalar variables." – mu is too short Mar 5 '15 at 20:35 ...
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Gradle, “sourceCompatibility” vs “targetCompatibility”?

...bility maps to -target release and -source release in javac. Source is basically the source language level and target is the level of the bytecode that is generated. More details can be found in the javac the cross compilation section. ...
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Filtering a list based on a list of booleans

... How can I select [2, 6] ? – Florent May 30 '18 at 21:03 ...
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What is an SDL renderer?

...r is a struct that handles all rendering. It is tied to a SDL_Window so it can only render within that SDL_Window. It also keeps track the settings related to the rendering. There are several important functions tied to the SDL_Renderer SDL_SetRenderDrawColor(renderer, r, g, b, a); This sets th...
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Select distinct values from a table field

...= ('city') Since you may have the Meta class ordering attribute set, you can use order_by() without parameters to clear any ordering when using distinct(). See the documentation under order_by() If you don’t want any ordering to be applied to a query, not even the default ordering, call orde...
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Heroku error: “Permission denied (public key)”

...ls. Email: sxxxxt.xxxx@gmail.com Password (typing will be hidden): Authentication successful. C:\Users\blue\Documents\GitHub> git clone git@heroku.com:sxxxd-plains-8530.gi t Cloning into 'sxxxd-plains-8530'... Warning: Permanently added 'heroku.com,50.19.85.154' (RSA) to the list of known hosts. ...
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Align button at the bottom of div using CSS

I want to align my button at the bottom right corner of my div. How can I do that? 4 Answers ...