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Difference between require, include, require_once and include_once?

...n that you do not want to happen twice due to the HTTP overhead But basically, it's up to you when to use which. share | improve this answer | follow | ...
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Easy idiomatic way to define Ordering for a simple case class

...[...] to Ordered[TupleN[...]] provided an implicit Ordering[TN] exists for all elements T1, ..., TN of the tuple, which should always be the case because it makes no sense to sort on a data type with no Ordering. The implicit ordering for Tuples is your go-to for any sorting scenario involving a co...
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Passing parameters in rails redirect_to

... Michael SepcotMichael Sepcot 10.3k33 gold badges2121 silver badges1919 bronze badges ...
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Why doesn't os.path.join() work in this case?

... the Python docs for os.path.join: If a component is an absolute path, all previous components are thrown away and joining continues from the absolute path component. Note on Windows, the behaviour in relation to drive letters, which seems to have changed compared to earlier Python versions: ...
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Is there a WebSocket client implemented for Python? [closed]

...o. Use --user. – Perfi Jun 7 '18 at 10:09  |  show 2 more comments ...
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PHP - Move a file into a different folder on the server

I need to allow users on my website to delete their images off the server after they have uploaded them if they no longer want them. I was previously using the unlink function in PHP but have since been told that this can be quite risky and a security issue. (Previous code below:) ...
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Commenting in a Bash script inside a multiline command

...9 mobmob 108k1717 gold badges137137 silver badges263263 bronze badges ...
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Can dplyr package be used for conditional mutating?

...and the conditions (except for the default value of NA at the end) are mutually exclusive, as is the case in the question, then we can use an arithmetic expression such that each term is multiplied by the desired result using na_if at the end to replace 0 with NA. df %>% mutate(g = 2 * (a == 2 ...
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How to inherit constructors?

... design is important. You shouldn't be coding with 100% conviction that it all has to change. – Jeff Yates Oct 21 '08 at 19:59 11 ...
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How to Apply Gradient to background view of iOS Swift App

...ems you may face with this is that when you add a sublayer it may sit over all your other items, labels, image, etc. To overcome this create another view that sits below everything and set its constraints to that of the container you want the gradient in. Then set the gradient to be applied to this ...