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Ashley Unitt
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178 followers
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Blog post about our Code Club. It's great fun and very rewarding. If you have the chance get involved. 

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My recent interview with #CMTV  

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A little late for Christmas but still cool

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Halloween....
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What did you do for the bank holiday?
We built and raced rocket cars!
#BloodhoundSSC

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My 6 year old daughter was complaining that she has filled up the piece of paper given for her maths homework,, so I thought I'd have a look.

Intuitively I thought that given 10 coins of which there are eight possible denominations (1p,2p,5p,10p,20p,50p,£1,£2) there may be quite a lot of possible combinations, so I thought the best way to check this was to knock up a Python script.

That spat out 19,448 combinations.

So I tried to refresh my maths knowledge (okay I Googled it) and came up with the formula:

(n+r-1)! / r!(n-1)! which if I plug in n=8 and r=10 also gives me 19,448 combinations.

I'm wondering if the correct response is to:

a) Buy several boxes of paper of my daughter to write out all the combinations
b) Teach her about factorials and combinations over the Easter break
c) Give up in despair
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Glad to see that we made the top 100 Cloud-base Enterprise Software Startups

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Had a great time at Dreamforce.
Here are some of the highlights.
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