Tech Revolvers
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NameError in Devise::RegistrationController#create
NameError in Devise::RegistrationController#create If you get this kind of error while using Devise in your rails project, you have landed to right place. Let us first know why we got this error. This error indicates that you have not correctly fixed the permissions on devise. IS THE USER MARKED CONFIRMABLE???? Now we directly jump to… Read more
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SHOWING OFF ASSETS
“Sometimes glass glitters more than diamonds because it has more to prove.” SHOWING OFF TREND These days the status is being more important to people than anything. The trend of showing off in lifestyle, marriages are so common. DOGS – Dogs have attracted the society towards them. Some people say they are the best baby… Read more
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WHAT IS GST? THE CONCLUSION
GST to apply from 30 June 2017 midnight The new era of taxation As GST is going to be imposed , so it is the final time to know WHAT IS GST ALL ABOUT? The goods and services tax (GST) regime is going to be kicked in with Narendra Modi style. A special session of Parliament, all… Read more
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ADDING IMAGES IN RUBY html( .ERB) FILE
HTML .ERB FILE (adding image using tags) First of all we have to know the syntax of adding images in html file which is <img src=”image.jpg”/> Now using this syntax will not give us image in output To use this image first of all create a folder ( public )where app file (app.rb) is present… Read more
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Biometrics Fingerprint Technology
Why Biometrics? Biometrics is a security solution based on something you know, have, and are: Know Password, PIN Have Key, Smart Card Are Fingerprint, Face, Iris Passwords are not reliable. –Too many –Can be stolen –Forgotten Protect Sensitive Information –Banking –Medical Read more
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Asymptotic Notations
The following 3 asymptotic notations are mostly used to represent time complexity of algorithms. 1) Θ Notation: The theta notation bounds a functions from above and below, so it defines exact asymptotic behavior. A simple way to get Theta notation of an expression is to drop low order terms and ignore leading constants. For a… Read more
ADDITIONAL KNOWLEDGE 