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rails - Devise - Handling - devise_error_messages

...on Github https://github.com/plataformatec/devise/issues/issue/504/#comment_574788 Jose is saying that devise_error_messsages! method is just a stub (though it contains implementation) and that we're supposed to override/replace it. It would have been nice if this was pointed out somewhere in the w...
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How to do parallel programming in Python?

... pool: from multiprocessing import Pool pool = Pool() result1 = pool.apply_async(solve1, [A]) # evaluate "solve1(A)" asynchronously result2 = pool.apply_async(solve2, [B]) # evaluate "solve2(B)" asynchronously answer1 = result1.get(timeout=10) answer2 = result2.get(timeout=10) This will spa...
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How to create a density plot in matplotlib?

... Sven has shown how to use the class gaussian_kde from Scipy, but you will notice that it doesn't look quite like what you generated with R. This is because gaussian_kde tries to infer the bandwidth automatically. You can play with the bandwidth in a way by changing the...
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Uninstall Node.JS using Linux command line?

... doing this should remove the npm files rm -rf /usr/local/{lib/node{,/.npm,_modules},bin,share/man}/npm* – Jubair Mar 16 '18 at 13:37  |  show...
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Python requests - print entire http request (raw)?

...'X-Custom':'Test'},data='a=1&b=2') prepared = req.prepare() def pretty_print_POST(req): """ At this point it is completely built and ready to be fired; it is "prepared". However pay attention at the formatting used in this function because it is programmed to be pretty ...
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Detect when browser receives file download

...the cookie to be exposed to JavaScript. $this->setCookieToken( $TOKEN, $_GET[ $TOKEN ], false ); $result = $this->sendFile(); Where: public function setCookieToken( $cookieName, $cookieValue, $httpOnly = true, $secure = false ) { // See: http://stackoverflow.com/a/1459794/59087 ...
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How to check if an email address exists without sending an email?

... C:\>telnet STACKOVERFLOW.COM.S9A1.PSMTP.com 25 220 Postini ESMTP 213 y6_35_0c4 ready. CA Business and Professions Code Section 17538.45 forbids use of this system for unsolicited electronic mail advertisements. helo hi 250 Postini says hello back mail from: <me@myhost.com> 250 Ok rcpt ...
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What are naming conventions for MongoDB?

...tation mentions you may use underscores, also built-in identifier is named _id (but this may be be to indicate that _id is intended to be private, internal, never displayed or edited. share | impro...
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Best way to merge two maps and sum the values of same key?

...leads to arguably the shortest/cleanest solution: scala> import scalaz._ import scalaz._ scala> import Scalaz._ import Scalaz._ scala> val map1 = Map(1 -> 9 , 2 -> 20) map1: scala.collection.immutable.Map[Int,Int] = Map(1 -> 9, 2 -> 20) scala> val map2 = Map(1 -> 100, ...
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How to set java_home on Windows 7?

..., one for user variables and one for system variables. Both were named JAVA_HOME and both pointing to 18 Answers ...