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How to compute the sum and average of elements in an array?

...he elements of an array as well as averaging them out. How would I do this and implement it with the code I currently have? The elements are supposed to be defined as I have it below. ...
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Styling HTML email for Gmail

... We tried it in Litmus, and it ignores the non-inline stylings. Have you tried <style> for gmail after they announced it ? did it work ? – Arian Oct 5 '16 at 18:36 ...
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Markdown to create pages and table of contents?

...xample for more than one word. All words are broken down to no caps lock, and no spaces. – Rick Jul 9 '16 at 17:46 6 ...
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Grunt watch error - Waiting…Fatal error: watch ENOSPC

... After doing some research found the solution. Run the below command. echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p For Arch Linux add this line to /etc/sysctl.d/99-sysctl.conf: fs.inotify.max_user_watches=524288 ...
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Just what is Java EE really? [closed]

...ironment? Actually they can. Most of the libraries can be directly used standalone (in Java SE) or included in a .war (practically that's nearly always Tomcat). Some parts of Java EE, like JPA, have explicit sections in their respective specifications that tells how they should work and be used in ...
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Client-server synchronization pattern / algorithm?

... should look at how distributed change management works. Look at SVN, CVS and other repositories that manage deltas work. You have several use cases. Synchronize changes. Your change-log (or delta history) approach looks good for this. Clients send their deltas to the server; server consolidat...
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Difference between sh and bash

When writing shell programs, we often use /bin/sh and /bin/bash . I usually use bash , but I don't know what's the difference between them. ...
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How do I run all Python unit tests in a directory?

... that will, you guessed it, run all files in the aforementioned test form and return the result. I have tried two methods so far; both have failed. I will show the two methods, and I hope someone out there knows how to actually do this correctly. ...
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django urls without a trailing slash do not redirect

...True, if the request URL does not match any of the patterns in the URLconf and it doesn’t end in a slash, an HTTP redirect is issued to the same URL with a slash appended. Note that the redirect may cause any data submitted in a POST request to be lost.". "The APPEND_SLASH setting is only used i...
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What are the Ruby Gotchas a newbie should be warned about? [closed]

I have recently learned the Ruby programming language, and all in all it is a good language. But I was quite surprised to see that it was not as simple as I had expected. More precisely, the "rule of least-surprise" did not seem very respected to me (of course this is quite subjective). For examp...