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Side-by-side plots with ggplot2

I would like to place two plots side by side using the ggplot2 package , i.e. do the equivalent of par(mfrow=c(1,2)) . 13...
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When should i use npm with “-g” flag and why?

I've started using npm for js package management recently. Although I do have a fair understanding of package management in different enivronments(lets say using apt, rvm/gem, pythonbrew/virtualenv/pip), I don't quite understand how npm fully fits in. ...
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nil detection in Go

... which is a valid comparison. To do that you can either use the golang new builtin, or initialize a pointer to it: config := new(Config) // not nil or config := &Config{ host: "myhost.com", port: 22, } // not nil or var config *Config...
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Remove all whitespaces from NSString

I've been trying to get rid of the white spaces in an NSString , but none of the methods I've tried worked. 11 Answers ...
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What's invokedynamic and how do I use it?

I keep hearing about all the new cool features that are being added to the JVM and one of those cool features is invokedynamic. I would like to know what it is and how does it make reflective programming in Java easier or better? ...
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Why do you not use C for your web apps?

I was having a look at a few different web servers this morning when I came across G-WAN . As I understand, its a web server written in C and you have to make use of it by writing your websites/webapps in C. One clear benefit is speed as the G-WAN site suggests. ...
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Difference between \n and \r?

What’s the difference between \n (newline) and \r (carriage return)? 10 Answers ...
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How to change the CHARACTER SET (and COLLATION) throughout a database?

Our previous programmer set the wrong collation in a table (Mysql). He set it up with Latin collation, when it should be UTF8, and now I have issues. Every record with Chinese and Japan character turn to ??? character. ...
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Can Flask have optional URL parameters?

Is it possible to directly declare a flask URL optional parameter? 11 Answers 11 ...
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Escape quotes in JavaScript

I'm outputting values from a database (it isn't really open to public entry, but it is open to entry by a user at the company -- meaning, I'm not worried about XSS ). ...