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Create a devise user from Ruby console

...ew({:email => "guy@gmail.com", :roles => ["admin"], :password => "111111", :password_confirmation => "111111" }).save(false) Otherwise I'd do this User.create!({:email => "guy@gmail.com", :roles => ["admin"], :password => "111111", :password_confirmation => "111111" }) I...
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How to define multiple name tags in a struct

... ANisusANisus 55.1k2626 gold badges131131 silver badges143143 bronze badges 5 ...
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How to reshape data from long to wide format

... The reshape comments and similar argument names aren't all that helpful. However, I have found that for long to wide, you need to provide data = your data.frame, idvar = the variable that identifies your groups, v.names = the variables that will become multiple columns in wide f...
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Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C

... NOTE: All algorithms below are in C, but should be portable to your language of choice (just don't look at me when they're not as fast :) Options Low Memory (32-bit int, 32-bit machine)(from here): unsigned int reverse(register ...
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What is the list of supported languages/locales on Android?

...n_LS [English (Lesotho)] en_MG [English (Madagascar)] en_MH [English (Marshall Islands)] en_MO [English (Macau)] en_MP [English (Northern Mariana Islands)] en_MS [English (Montserrat)] en_MT [English (Malta)] en_MU [English (Mauritius)] en_MW [English (Malawi)] en_NA [English (Namibia)] en_NF [Engli...
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VIM Replace word with contents of paste buffer?

... the one that'd get overwritten by the change command.) Registers are generally specified by typing " then the name (single character) of the register, like "ay then "ap to yank into register a, then put the contents of register a. Same goes for a change command. In this case, if you don't want the ...
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How to save an HTML5 Canvas as an image on a server?

I'm working on a generative art project where I would like to allow users to save the resulting images from an algorithm. The general idea is: ...
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python max function using 'key' and lambda expression

... def. Thus, you can't use statements inside a lambda, only expressions are allowed. What does max do? max(a, b, c, ...[, key=func]) -> value With a single iterable argument, return its largest item. With two or more arguments, return the largest argument. So, it simply returns the...
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How can I print the contents of a hash in Perl?

I keep printing my hash as # of buckets / # allocated. How do I print the contents of my hash? 11 Answers ...
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Prevent direct access to a php include file

...eople the trouble of Googling, if you're using Apache, put this in a file called ".htaccess" in the directory you don't want to be accessible: Deny from all If you actually have full control of the server (more common these days even for little apps than when I first wrote this answer), the best ...