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Side-by-side plots with ggplot2

... @Jim thank you for pointing that out. I have revised my answer. Let me know if any questions remain. – David LeBauer Sep 6 '13 at 16:28 1 ...
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How do I use 'git reset --hard HEAD' to revert to a previous commit? [duplicate]

I know that Git tracks changes I make to my application, and it holds on to them until I commit the changes, but here's where I'm hung up: ...
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Edit the root commit in Git?

... As of Git version 1.7.12, you may now use git rebase -i --root Documentation share | improve this answer | follow |...
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In JavaScript, does it make a difference if I call a function with parentheses?

...they can be passed around exactly as if we were passing around values. So now to the difference of assignment: var operator = 3; var operand = 4; var ret = Multiply(operator, operand); At the point of defining the ret variable, Multiply is executed and the return value is assigned - ret becomes ...
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How to compare arrays in JavaScript?

...rent types => not equal return false; } } //Now a deeper check using other objects property names for(propName in object2) { //We must check instances anyway, there may be a property that only exists in object2 //I wonder, if remembering the che...
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Cross-reference (named anchor) in markdown

...XHTML, so I originally used id=, which everyone recognises. However, HTML5 now creates a global variable in JavaScript when using id=, and this may not necessarily be what you want. So, using name= is now likely to be more friendly. (Thanks to Slipp Douglas for explaining XHTML to me, and nailer fo...
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Type hinting a collection of a specified type

... Now that Python 3.5 is officially out, there is the Type Hints supporting module - typing and the relevant List "type" for the generic containers. In other words, now you can do: from typing import List def my_func(l: List...
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Why is the order in dictionaries and sets arbitrary?

...gt;>> hash('bar') % 8 4 >>> hash('baz') % 8 4 Their order now depends on which key was slotted first; the second key will have to be moved to a next slot: >>> {'baz': None, 'bar': None} {'bar': None, 'baz': None} >>> {'bar': None, 'baz': None} {'baz': None, 'bar':...
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You have already activated X, but your Gemfile requires Y

...is. Basically what's happening is that you've updated rake to 0.9.2 which now conflicts with the version specified in your Gemfile. Previously the latest version of rake you had matched the version in your Gemfile, so you didn't get any warning when simply using rake. Yehuda Katz (one of the origi...
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How to do a FULL OUTER JOIN in MySQL?

... and I see now that you say that yourself, sorry. Perhaps you could update your answer, given there is this case that it gets wrong and that the UNION ALL is always going to be more efficient? – ysth ...