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  • Relative div is passing over fixed div while scrolling page

    Relative div is passing over fixed div while scrolling page To solve this problem we should use property name z-index. So now , HTML =”navcontainer”>This is navigation =”movable_relative”>   =”text”>text  </div> CSS #navcontainer { position:fixed; z-index:3; } .movable_relative { position:relative; z-index:2; } I hope your problem will now be solved.

  • Adding time at which tweet or any text created in rails

    Adding time at which tweet or any text created in rails So, for adding time use the above code if tweet or text was added before 24 hours then it will display as 2 hours ago or 4 hours ago and if more than a day time then it will display date.   <% if…

  • Link_to tag color change

    LINK _TO tag color   Working on rails is quite different. The link_to tag is used to give links to texts on rails. To change its color, just add a line style: ” color: color_name” refer the image above for more clearity.  

  • RAILS adding image through .scss file

    RAILS adding image through home.scss file or any .scss file   For working on .scss file we have to take care of how to add an image though this file. So first of all we have to use simple background-image tag background-image: url(‘your image url’); now add these lines , -webkit-background-size: cover; -moz-background-size: cover; -o-background-size:…

  • 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…

  • 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…

  • 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…

  • 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…

  • 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

  • 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…