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Reversing a linked list in Java, recursively

...e nodes called ListNode ). The catch is that everything would have to be done with recursive algorithms. I was able to do everything fine sans one method: public AddressList reverse() ...
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(HTML) Download a PDF file instead of opening them in browser when clicked

...ile link downloadable instead of opening them in the browser? How is this done in html? (I'd assume it's done via javascript or something). ...
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How to generate a range of numbers between two numbers?

...n be extended to create hundreds of thousands of rows and beyond). SELECT ones.n + 10*tens.n + 100*hundreds.n + 1000*thousands.n FROM (VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9)) ones(n), (VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8),(9)) tens(n), (VALUES(0),(1),(2),(3),(4),(5),(6),(7),(8...
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Adding multiple columns AFTER a specific column in MySQL

...d by commas. This is a MySQL extension to standard SQL, which permits only one of each clause per ALTER TABLE statement. – informatik01 May 1 '19 at 13:21 ...
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What is the difference between the Data Mapper, Table Data Gateway (Gateway), Data Access Object (DA

...O, DataTableGateway and Repository, all have a similar purpose (when I use one, I expect to get back a Customer object), but different intent/meaning and resulting implementation. A Repository "acts like a collection, except with more elaborate querying capability" [Evans, Domain Driven Design] and...
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How do I find the location of my Python site-packages directory?

...oris Bruynooghe, Brianna Laugher, Florian Bruhin and others Author-email: None License: MIT license Location: /home/peter/.local/lib/python3.4/site-packages Requires: more-itertools, atomicwrites, setuptools, attrs, pathlib2, six, py, pluggy ...
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Is there a VB.NET equivalent for C#'s '??' operator?

...r (Visual Basic) Uses short-circuit evaluation to conditionally return one of two values. The If operator can be called with three arguments or with two arguments. If( [argument1,] argument2, argument3 ) If Operator Called with Two Arguments The first argument to If can be omit...
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Is it possible in Java to catch two exceptions in the same catch block? [duplicate]

...feature where if you rethrow ex in the catch, the compiler knows that only one of the listed exceptions can be thrown. Java 6 and earlier Prior to Java 7, there are ways to handle this problem, but they tend to be inelegant, and to have limitations. Approach #1 try { // stuff } catch (Exc...
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In C#, What is a monad?

...his is a simple monad, it is a way of combing small computations to bigger ones. The ; says "do the thing on the left, then do the thing on the right". Another thing that can be seen as a monad in object oriented languages is the .. Often you find things like this: a.b().c().d() The . basically ...
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How to Find And Replace Text In A File With C#

... @Alexander Right. One chunk ends with "...som", and the next begins with "e text...". Makes it a much more complicated problem. – djv May 16 '16 at 20:11 ...