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Naming of ID columns in database tables

...e wrong records. If you would like to use the USING syntax that some dbs allow, you cannot if you use ID. If you use ID you can easily end up with a mistaken join if you happen to be copying the join syntax (don't tell me that no one ever does this!)and forget to change the alias in the join con...
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How to import other Python files?

... importlib was added to Python 3 to programmatically import a module. It is just a wrapper around __import__, see the docs. import importlib moduleName = input('Enter module name:') importlib.import_module(moduleName) Note: the .py extension should be removed from mod...
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Differences between Emacs and Vim

...and weeks till you will be happy with it and then you will learn new stuff all the time. You will be annoyed when you don't have access to it and constantly change your config. You won't be able to use other peoples emacs versions easily and it won't just be installed. It uses Lisp, which is great. ...
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How to place div side by side

... cdn.polyfill.io/v2/docs or github.com/10up/flexibility but you may have really strict requirements that prevent using polyfills. – TheMcMurder Jun 27 '16 at 15:38 ...
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Play/pause HTML 5 video using JQuery

...jQuery function but a function of the DOM element. You therefore need to call it upon the DOM element. You give an example of how to do this with the native DOM functions. The jQuery equivalent -- if you wanted to do this to fit in with an existing jQuery selection -- would be $('#videoId').get(0...
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Find out if ListView is scrolled to the bottom?

...r_list_id: // Make your calculation stuff here. You have all your // needed info from the parameters of this function. // Sample calculation to determine if the last // item is fully visible. final int lastItem = firstVisibleItem + ...
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How do I automatically sort a has_many relationship in Rails?

This seems like a really simple question but I haven't seen it answered anywhere. 5 Answers ...
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Using Sinatra for larger projects via multiple files

It seems that in Sinatra all route handlers are being written into a single file, if I understand right it acts as a one large/small controller. Is there any way to split it into separate independent files, so when let's say somebody calls "/" - one action is executed, and if smth like "/posts/2" is...
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Split string into an array in Bash

...;<< "$string" Note that the characters in $IFS are treated individually as separators so that in this case fields may be separated by either a comma or a space rather than the sequence of the two characters. Interestingly though, empty fields aren't created when comma-space appears in the in...
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What are the benefits of Java's types erasure?

...about type erasure, which is the only thing Java got right, while ignoring all the things it got wrong. I get huge benefits (e.g. parametricity) and nil cost (alleged cost is a limit of imagination). new T is a broken program. It is isomorphic to the claim "all propositions are true." I am not big ...