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rails - Devise - Handling - devise_error_messages

...hould help you get started. :) Another update The resource object is actually the model that is being used by devise (go figure). resource.class #=> User resource.errors.class #=> ActiveModel::Error It also appears to be defined in a higher scope (probably coming from the contro...
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Can functions be passed as parameters?

... Yes, consider some of these examples: package main import "fmt" // convert types take an int and return a string value. type convert func(int) string // value implements convert, returning x as string. func value(x int) string { return f...
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Alternative to google finance api [closed]

...on Google Code. For beginners, you can generate a CSV with a simple API call: http://finance.yahoo.com/d/quotes.csv?s=AAPL+GOOG+MSFT&f=sb2b3jk (This will generate and save a CSV for AAPL, GOOG, and MSFT) Note that you must append the format to the query string (f=..). For an overview of al...
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Rename multiple files based on pattern in Unix

... Not present on all *nix systems. Not on Max OS X for one, and no package in fink to get it. Haven't looked at MacPorts. – dmckee --- ex-moderator kitten Jul 6 '09 at 16:07 ...
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How to implement the factory method pattern in C++ correctly

... First of all, there are cases when object construction is a task complex enough to justify its extraction to another class. I believe this point is incorrect. The complexity doesn't really matter. The relevance is what does. I...
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Avoid trailing zeroes in printf()

...ing your number is in the variable num, the following function will remove all but the first N decimals, then strip off the trailing zeros (and decimal point if they were all zeros). char str[50]; sprintf (str,"%.20g",num); // Make the number. morphNumericString (str, 3); : : void morphNumericS...
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Quick easy way to migrate SQLite3 to MySQL? [closed]

...y's built a solid library that can convert between the two. Here a list of ALL the differences in SQL syntax that I know about between the two file formats: The lines starting with: BEGIN TRANSACTION COMMIT sqlite_sequence CREATE UNIQUE INDEX are not used in MySQL SQLite uses CREATE TABLE/INSERT ...
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What's the shortest code to cause a stack overflow? [closed]

... All these answers and no Befunge? I'd wager a fair amount it's shortest solution of them all: 1 Not kidding. Try it yourself: http://www.quirkster.com/iano/js/befunge.html EDIT: I guess I need to explain this one. The 1 o...
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SPAN vs DIV (inline-block)

...turn and have default margin. Note that inline-block is not supported in all browsers. For instance in Firefox 2 and less you must use: display: -moz-inline-stack; which displays slightly different than an inline block element in FF3. There is a great article here on creating cross browser inl...
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How do you iterate through every file/directory recursively in standard C++?

How do you iterate through every file/directory recursively in standard C++? 16 Answers ...