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Happy Easter!

This is a short blog post to wish you a happy and peaceful Easter!

Posts might be a bit few and far between over the next few weeks due to coursework, but I should be able to post at least once a week.

New Coding Conundrums

I have just discovered that the Coding Conundrums 3 has been released by Rob Miles on his Python Site. He hasn't put it up on the Coding Sharepoint site yet, so I thought that I would post about it here since I didn't notice until now.

Link to PDF: Coding Conundrums 3

Edit: I will be posting my solutions to the new set of Coding Conundrums just ass soon as I have completed them :)

Edit 2: They are up on the sharepoint site now.

This blog now has a mailing list!

I've been meaning to add a mailing list to my blog here for a while now, and I've finally gotten around to writing one. After an afternoon's work, you can now subscribe here. Once you have subscribed, my blog will email you every time it releases a new post. Because of the way that I've implemented it, you'll still get an email when I mess up the date on posts that I write and quickly fix them again, although I'll try really hard not to do this :)

Stardust Update: Email Notifications

Welcome to another blog update.

Yesterday I added email notifications to the blog comments. You may have noticed that there is an extra optional field for you to put your email address in when commenting. If you do so, anybody who replies to your comment will trigger an email notification which will go to the email address that you specified.

Currently the only method I have for you to unsubscribe from these emails is to email emails at starbeamrainbowlabs dot com, and I will process your request manually. Make sure that you include a copy of the email that you don't want anymore, since it contains information about the comment that you posted that I will have to edit. In the future I hope to have an automated system that you will be able to use.

If you notice any issues with this, please leave a comment below.

The other thing that I added is email notifications for myself. Now, every time somebody comments on my blog I will receive an email notification telling me about it. This is mainly because I forgot to check for new comments - you should receive a reply to your comment much faster now :)

Dailyprogrammer challenge #197 - Validating ISBN Numbers

Hello again!

I now have a reddit account. You can find it here: https://www.reddit.com/user/starbeamrainbowlabs

I have attempted the latest Daily Programmer challenge.

This time I have written it in javascript. The challenge was to validate an ISBN-10 number. To validate an ISBN-10 number, you add 10 times the first number to 9 times the second number to 8 times the third number and so on. This total should leave no remainder when divided by 11. In addition, the letter X stands for a value of 10.

Here is my solution:

function validate_isbn(isbn) {
    var i = 10,
        tot = isbn.replace(/-/g, "").split("").reduce(function (total, char) {
            if (char.toLowerCase() == "x")
                total += i * 10;
            else
                total += i * parseInt(char);
            i--;
            return total;
        }, 0);

    if (tot % 11 === 0)
        return true;
    else
        return false;
}

I minified it by hand too:

function validate_isbn(a){var i = 10;if(a.replace(/-/g,"").split("").reduce(function(b, c){if(c.toLowerCase()=="x")b+=i*10;else b+=i* parseInt(c);i--;return b;},0)%11==0)return true;else return false;}

I should probably attempt the next challenge in C♯ so that I keep practising it.

The daily programmer challenge can be found here: Daily Programmer Challenge #197 - ISBN Validator

Twitter Account

I now have a twitter account!

You can find it here.

It will be mostly automated, once I rewrite the blog posting system. Until then I will post manually.

I plan to have the blog automatically tweet about new blog posts, but I will have to build some kind of system that will be able to tell the difference between new and updated posts first, since I make usually make several corrections to each my blog posts once I have posted them.

Github!

I now have a github account. I will be using it to house programming projects, most of which are / will be released on this website.

You can find it here: https://github.com/sbrl/

I currently have 1 repository, which holds something that will be released here soon.

Welcome!

Welcome to starbeamrainbowlabs.com.

I am a self taught programmer who knows PHP, HTML, CSS, Javascript, and a bit of Python. I first learnt to program with Game Maker, which can be found here.

I will hopefully post about things I have learnt, found and made here.


Please note that this website is still under construction.

Art by Mythdael