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Database Column Type - Array. Okay, So More Like List. Relational databases are a great way to store, well, related data, in a base. Often times, we have to store items using a has many type of relationship. This post will talk about about what it means to have many and how it relates a bit to how arrays work in a standard programming environment. Visualization and the Power of Abstraction. Code Blocks as Blocks. Ruby, perl, autovivification, hashes. Ruby - For Science! Ruby in Academia - Why Not? We wer...

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davidbella | davidbella.github.io Reviews

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Database Column Type - Array. Okay, So More Like List. Relational databases are a great way to store, well, related data, in a base. Often times, we have to store items using a has many type of relationship. This post will talk about about what it means to have many and how it relates a bit to how arrays work in a standard programming environment. Visualization and the Power of Abstraction. Code Blocks as Blocks. Ruby, perl, autovivification, hashes. Ruby - For Science! Ruby in Academia - Why Not? We wer...

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davidbella | davidbella.github.io Reviews

https://davidbella.github.io

Database Column Type - Array. Okay, So More Like List. Relational databases are a great way to store, well, related data, in a base. Often times, we have to store items using a has many type of relationship. This post will talk about about what it means to have many and how it relates a bit to how arrays work in a standard programming environment. Visualization and the Power of Abstraction. Code Blocks as Blocks. Ruby, perl, autovivification, hashes. Ruby - For Science! Ruby in Academia - Why Not? We wer...

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davidbella.github.io

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davidbella

http://davidbella.github.io/blog/2013/10/08/ruby----for-science.html

Ruby - For Science! Ruby in Academia - Why Not? We were just discussing at Flatiron that Ruby was not a typical choice for scientific and academic projects that require programming. The instructors went back and forth a bit about why that might be the case and why Python seemed to be preferred by the majority of those needing numerical data computation. I just ran across Ruby and Science by Juanjo Bazán. Lack of great open source scientific libraries. Small academic user base. It isnt that there. As a ne...

2

davidbella

http://davidbella.github.io/blog/2013/10/07/visualizing-your-programs.html

Its All About Your Data Structures. I think one key to being able to read hashes and other data structures effectively is being able to visualize them on the fly. Knowing where you are in the code, what you are operating on, and what items you have available to you at all times is a super powerful feeling. Here are a few tips I use to help me put the flow back into my workflow. The Power of Printing. And Awesome Print - ap. A more powerful approach would be to use pry. Look at what gets printed out.

3

davidbella

http://davidbella.github.io/blog/2013/11/13/database-column-type-array.html

Database Column Type - Array. Okay, So More Like List. Relational databases are a great way to store, well, related data, in a base. Often times, we have to store items using a has many type of relationship. This post will talk about about what it means to have many and how it relates a bit to how arrays work in a standard programming environment. What if one post had hundreds of comments and another had just one? Tables Are the New Lists. Instead, we can. Our data from a. Array We can do this easily in ...

4

davidbella

http://davidbella.github.io/blog/2013/10/15/autovivification-in-ruby.html

Autovivification is the concept that a hash style data structure can make inferences about its internal structure as it is being created. For instance, creating a nested hash under one of the keys would normally require you to explicitly state that you wanted to create a hash there. Autovivification allows you to skip this step and create the nested structure on the fly. To make the idea more tangible, here is a quick code example in Perl that automagically fills out a hash:. A Bit More Background. Well ...

5

davidbella

http://davidbella.github.io/blog/2013/10/29/visualization-and-the-power-of-abstraction.html

Visualization and the Power of Abstraction. Code Blocks as Blocks. Imagine some block of code. How about something that will take a list of tweets (strings of text), chop them down to 140 characters, and print them out. Oh and while were there, lets make some common substitutions that all of our parents would make like 2 for to and u for you. Looks kind of like this right? Cool, so you already understand the power of abstraction. We dont really care. We can shorten a tweet, just that we. Like, Let It Go.

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gregeng.github.io

Hide Your Keys, Hide Your Tokens ... Unless Deploying to Heroku - Greg Eng

http://gregeng.github.io/blog/2013/11/21/hide-your-keys

Hide Your Keys, Hide Your Tokens . Unless Deploying to Heroku. In that case, you have to do a little more than just hide them. Typically, an API will require a key or authentication token before serving data downstream. It’s logical to avoid committing any of these to a public repo on GitHub, so I often found myself falling into a pattern. I would make hidden files in the assets folder of my project, then. It would result in a folder structure that might look like this:. It’s very easy to set up fr...

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davidbella.github.io

davidbella

Database Column Type - Array. Okay, So More Like List. Relational databases are a great way to store, well, related data, in a base. Often times, we have to store items using a has many type of relationship. This post will talk about about what it means to have many and how it relates a bit to how arrays work in a standard programming environment. Visualization and the Power of Abstraction. Code Blocks as Blocks. Ruby, perl, autovivification, hashes. Ruby - For Science! Ruby in Academia - Why Not? We wer...

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As the world keeps spinning round, you hold me right here right there. Lake Tekapo, New Zealand. Queenstown, New Zealand.

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davidbellamy.co.uk

Bellamy's Bivouac | Artists David Bellamy and Jenny Keal

Artists David Bellamy and Jenny Keal. Skip to primary content. Jenny Keal’s Blog. Jenny’s Pastel Tips. Jenny’s Tips for Pastel materials. Pastel Colour Chart and Equivalent names. 1 Extract from ‘Painting with Pastels’ Jenny Keal. 2 Extract from ‘Painting with Pastels’ Jenny Keal. 3 Extract from ‘Painting with Pastels’ Jenny Keal. 4 Extract from ‘Painting with Pastels’ Jenny Keal. 5 Extract from ‘Painting with Pastels DVD’ by Jenny Keal. David Bellamy’s Arctic Light Book. David’s Blog Posts. Send to Emai...

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