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Add EBS to Ubuntu EC2 Instance

I'm having problem connecting EBS volume to my Ubuntu EC2 Instance. 2 Answers 2 ...
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Python pandas Filtering out nan from a data selection of a column of strings

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How do you install ssh-copy-id on a Mac?

I am having trouble trying to install ssh-copy-id on my Mac. I have tried to follow https://github.com/beautifulcode/ssh-copy-id-for-OSX but every time I run ssh-copy-id it gives me errors. Any ideas on how to get ssh-copy-id to install? ...
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How do I create a datetime in Python from milliseconds?

I can create a similar Date object in Java by java.util.Date(milliseconds) . How do I create the comparable in Python? 5 A...
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Correct way to quit a Qt program?

How should I quit a Qt Program, e.g when loading a data file, and discovered file corruption, and user need to quit this app or re-initiate data file? ...
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Why are functions and methods in PHP case-insensitive?

Functions and methods in PHP are case-insensitive as illustrated in the following example. 2 Answers ...
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PostgreSQL: Can you create an index in the CREATE TABLE definition?

I want to add indexes to some of the columns in a table on creation. Is there are way to add them to the CREATE TABLE definition or do I have to add them afterward with another query? ...
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Format decimal for percentage values?

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What is the difference between MediaPlayer and VideoView in Android

I was wondering if there's a difference between them when it comes to streaming videos. 4 Answers ...
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MYSQL Dump only certain rows

I am trying to do a mysql dump of a few rows in my database. I can then use the dump to upload those few rows into another database. The code I have is working, but it dumps everything. How can I get mysqldump to only dump certain rows of a table? ...