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Is it a good idea to indem>xm> datetime field in mysql?

I am working on designing a large database. In my application I will have many rows for em>xm>ample I currently have one table with 4 million records. Most of my queries use datetime clause to select data. Is it a good idea to indem>xm> datetime fields in mysql database? ...
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What is the most efficient way to store tags in a database?

I am implementing a tagging system on my website similar to one stackoverflow uses, my question is - what is the most effective way to store tags so that they may be searched and filtered? ...
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Hem>xm> representation of a color with alpha channel?

...y standard on how to represent a color (including alpha channel) in hem>xm> format? 5 Answers ...
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How to download/checkout a project from Google Code in Windows?

How do I download a ZIP file of an entire project from Google Code when there are no prepared downloads available? 6 Answe...
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Rails: Check output of path helper from console

Rails defines a bunch of magic with named routes that make helpers for your routes. Sometimes, especially with nested routes, it can get a little confusing to keep track of what URL you'll get for a given route helper method call. Is it possible to, using the Ruby console, see what link a given help...
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How to output messages to the Eclipse console when developing for Android

How can I print messages (like a flag) to the Eclipse console (or log) when developing and debugging an Android app 5 Answe...
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An “and” operator for an “if” statement in Bash

I'm trying to create a simple Bash script to check if the website is down and for some reason the "and" operator doesn't work: ...
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How to convert a ruby hash object to JSON?

How to convert a ruby hash object to JSON? So I am trying this em>xm>ample below & it doesn't work? 5 Answers ...
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What is the relationship between the docker host OS and the container base image OS?

I'm not certain that I'm asking the right question... but while I have been reading everything docker that I can get my hands on I see that I can install Docker on Ubuntu 12.04 (for em>xm>ample) and then I can install a Fedora container or a different version of ubuntu? (there is an em>xm>ample where the us...
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Docker: adding a file from a parent directory

In my Dockerfile I've got : 6 Answers 6 ...