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Why use multiple columns as primary keys (composite primary key)
This example is taken from w3schools .
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Using a .php file to generate a MySQL dump
Here's the information I have:
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Automatic TOC in github-flavoured-markdown
Is it possible to generate an automatic Table of Contents using Github Flavoured Markdown ?
17 Answers
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passport.js passport.initialize() middleware not in use
I am using node with express + mongoose and trying to use passport.js with restful api.
I keep getting this exception after authentication success (I see the callback url on the browser):
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How to change a nullable column to not nullable in a Rails migration?
I created a date column in a previous migration and set it to be nullable. Now I want to change it to be not nullable. How do I go about doing this assuming there are null rows in that database? I'm ok with setting those columns to Time.now if they're currently null.
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Two inline-block, width 50% elements wrap to second line [duplicate]
I would like to have two columns of 50% width space, and avoid floats.
So i thought using display:inline-block .
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How to install gem from GitHub source?
I would like to install gem from the latest GitHub source.
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Jackson serialization: ignore empty values (or null)
I'm currently using jackson 2.1.4 and I'm having some trouble ignoring fields when I'm converting an object to a JSON string.
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How do I load the contents of a text file into a javascript variable?
I have a text file in the root of my web app http://localhost/foo.txt and I'd like to load it into a variable in javascript.. in groovy I would do this:
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How to replace a hash key with another key
I have a condition where, I get a hash
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