2014-12-19 Example in C# and unions of enumerables
I often how to compute the concatenation of several lists in C# using Linq.
var iterator = new List<List<string>> () ... ; var union = iterator.Aggregate( (a,b) => a.Concat(b) ) ; // enumerate on strings
And if you are looking to a page easy which gives you many examples, that should be this one: 101 LINQ Samples.
2014-02-23 Python and C# in the same program
I pretty much use Python for everything, I link many of my tools with Python, having the same place to run them. However, C# is very convenient if you want to automate some processes on Windows. Since I discovered pythonnet, I do not look anymore for a way to do things in Python, I do it in C#, I make an assembly and I link it to Python.
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2013-07-16 Les trucs que je ne sais jamais quand j'en ai besoin
I read two blogs about stuff I never remember when I need it. I often manipulate text file and I know the linux tools are doing quite a great job about that. But I never remember the syntax. This blog post seems to be a good pointer: Useful Unix commands for data science.
The second is about mutex and lock. The second one is used to synchronize threads among a single application. The first one (mutex) is used to synchronize processes among them (but also threads as a consequence). And if you want to use mutex all the time because it is convenient, you should read this blog post first: Lock vs. Mutex.
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Xavier Dupré
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