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ActiveRecord: List columns in table from console
I know that you can ask ActiveRecord to list tables in console using:
8 Answers
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How to sort a dataFrame in python pandas by two or more columns?
Suppose I have a dataframe with columns a , b and c , I want to sort the dataframe by column b in ascending order, and by column c in descending order, how do I do this?
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Available text color classes in Bootstrap
I'm developing a sign up page, by putting some text as the title at the navigation bar. I want to give those texts different colors. For this purpose I'm using a separate CSS file, but I want to do this using bootstrap's CSS file.
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How long does it take for GitHub page to show changes after changing index.html
I am just wondering how long does it take for GitHub page to show the new items that I have added to the repository.
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Send inline image in email
Having an issue sending an image via email as an embedded image in the body.
The image file shows as an attachment which is ok but the inline image portion just shows as a red x.
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Rails Model find where not equal
How can I find records in my database on a not equal condition? I have this now, but is there a fancy rails-speak way of doing it?
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What is java interface equivalent in Ruby?
Can we expose interfaces in Ruby like we do in java and enforce the Ruby modules or classes to implement the methods defined by interface.
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How to get all groups that a user is a member of?
PowerShell's Get-ADGroupMember cmdlet returns members of a specific group. Is there a cmdlet or property to get all the groups that a particular user is a member of?
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How do I change the background color of a plot made with ggplot2
By default, ggplot2 produces plots with a grey background. How do I change the color of the background of the plot?
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Javascript parseInt() with leading zeros
Javascript's parseInt function does not seem to completely work.
7 Answers
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