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Linear Regression and group by in R
...sion in R using the lm() function. My data is an annual time series with one field for year (22 years) and another for state (50 states). I want to fit a regression for each state so that at the end I have a vector of lm responses. I can imagine doing for loop for each state then doing the regress...
Why do we need private subnet in VPC?
...ill be used as described, or the Managed NAT Gateway service can be provisioned, instead. An expanded version of this answer integrating more information about NAT Gateway and how it compares to a NAT instance will be forthcoming, as these are both relevant to the private/public subnet paradigm in ...
Transposing a 2D-array in JavaScript
... If you use it twice on the same array, it comes back to the first one intead of rotating 90' again
– Olivier Pons
Mar 3 '17 at 13:51
4
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Internet Explorer 11 disable “display intranet sites in compatibility view” via meta tag not working
...be that IE is using Enterprise Mode for this website:
Your question mentioned that the console shows: HTML1122: Internet Explorer is running in Enterprise Mode emulating IE8.
If so you may need to disable enterprise mode (or like this) or turn it off for that website from the Tools menu in IE.
How...
How to make a vertical line in HTML
...ed not taboo but separating them is handy as then you can easily adjust in one place if needed. Also putting it in a separate CSS file is better for performance as it can be cached by the browser and you end up transmitting less bytes over the wire each time you request the rendered HTML.
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Composer install error - requires ext_curl when it's actually enabled
...ake a look in Xamp documentation
sudo apt-get install php5-curl
For anyone who uses php7.0
sudo apt-get install php7.0-curl
For those who uses php7.1
sudo apt-get install php7.1-curl
For those who use php7.2
sudo apt-get install php7.2-curl
For those who use php7.3
sudo apt-get install...
In C#, should I use string.Empty or String.Empty or “” to intitialize a string?
...y mistake " " for "". This is why it is easier to edit something that someone else has written. Your brain doesn't have preconceived ideas about the text so it is easier to pick out the anonmalies.
– tvanfosson
Nov 4 '08 at 20:18
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What is the difference between Scrum and Agile Development? [closed]
...
Scrum is just one of the many iterative and incremental agile software development methods. You can find here a very detailed description of the process.
In the SCRUM methodology, a Sprint is the basic unit of development.
Each Sprint s...
How to split a string in shell and get the last field
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And how does one keep the part before the last separator? Apparently by using ${foo%:*}. # - from beginning; % - from end. #, % - shortest match; ##, %% - longest match.
– Mihai Danila
Jul 9 '14 at 1...
belongs_to through associations
...unique index to the table (especially because validates_uniqueness_of is prone to race conditions).
If you're paranoid, add a custom validation to Choice that confirms that the answer's question_id matches, but it sounds like the end user should never be given the opportunity to submit data that wo...