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Review – ScreenFlow
Verdict: 1/10* I read a review of ScreenFlow, and I was rather excited: I am in the process of recording quite a few screencasts, and anything that can make this easier must certainly be worth its...
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Review – Pixlr
Description: free online photo editor, almost like Photoshop Verdict: 10/10 Granted, Pixlr is not necessarily a tool just for online education, but I do end up using it on a recurrent basis when...
View ArticleRecording screencasts, aka ffmpeg to the rescue
If you record lectures like me – ie you narrate slides with little or no dynamic content in between the slide transitions – then you may have found that most screencasting systems are highly...
View ArticleTextile and Markdown
A brief hello after a long hiatus – we have been ultra-busy over the last few weeks to improve our platform, and we are still busy doing it. To cut a long story short, we have realised that our system...
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Installing iPython Notebook
For a teaching that I am preparing I found that my favorite tool – Excel – would no longer cut it, so I decided to finally give iPython Notebook a try – and it rocks! For those of you who do not know...
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iPython Cookbook – Curve Fitting
If you follow my blog I have recently decided to give iPython Notebook a try because in one of my lecture preparations Excel would not cut anymore, and whilst I have only scratched the surface of what...
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iPython Cookbook – Pricing a Call Option in a Normal model using Monte Carlo
This instalment of the iPython Cookbook series looks at Monte Carlo simulation: we will price a European call option using a Gaussian model instead of the usual lognormal Black Scholes model using a...
View ArticleAuthenticating against Twitter in Ruby
I sometimes use @sferik‘s twitter client t to do some command line stuff. I wanted to look at some network analysis, so I thought that t followers would be my friend, but alas no, I ran into rate...
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