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How to generate a number of most distinctive colors in R?

... I joined all qualitative palettes from RColorBrewer package. Qualitative palettes are supposed to provide X most distinctive colours each. Of course, mixing them joins into one palette also similar colours, but that's the best I can g...
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Why use getters and setters/accessors?

... There are actually many good reasons to consider using accessors rather than directly exposing fields of a class - beyond just the argument of encapsulation and making future changes easier. Here are the some of the reasons I am aware of...
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Single Sign On across multiple domains [closed]

...hat manages the logins. Each client domain has the script client_login.php All the domains have a shared user session database. When the client domain requires the user to be logged in, it redirects to the master domain (login.mydomain.com/master_login.php). If the user has not signed in to the mast...
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jQuery .data() does not work, but .attr() does

...e such a strange bug. After the doc loads, I loop some elements that originally have data-itemname="" , and I set those values using .attr("data-itemname", "someValue") . ...
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How to effectively work with multiple files in Vim

...e and close a tab, you can also use ZZ instead of :wq (just like would normally save and close) – Andreas Grech May 5 '10 at 14:34 ...
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What is a magic number, and why is it bad? [closed]

..., the fact that Passwords can be a maximum of 7 characters long is not globally defined and actually differs, so that is a candidate for a variable. – Michael Stum♦ Sep 19 '09 at 1:02 ...
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How to assign the output of a command to a Makefile variable

I need to execute some make rules conditionally, only if the Python installed is greater than a certain version (say 2.5). ...
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Using socket.io in Express 4 and express-generator's /bin/www

... A little different approach to initiate socket.io, it groups all related code in one place: bin/www /** * Socket.io */ var socketApi = require('../socketApi'); var io = socketApi.io; io.attach(server); socketApi.js var socket_io = require('socket.io'); var io = socket_io(); var ...
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Error renaming a column in MySQL

... Keep in mind that in this solution you lose all other column definitions such as nullability, default value, etc. (see: stackoverflow.com/questions/8553130/…). – Dejan Jul 13 '15 at 10:50 ...
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Why is React's concept of Virtual DOM said to be more performant than dirty model checking?

...model can be slow. But isn't calculating the diff between virtual DOMs actually even less performant since the virtual DOM, in most of the cases, should be bigger than model? ...