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This is part of Categories for Programmers. Previously: Simple Algebraic Data Types. See the Table of Contents. At the risk of sounding like a broken record, I will say this about functors: A funct...

#haskell #category-theory

Excellent blog post on having functional approach in programming as the next step in evolution from imperative approach based on SOLID principles.

#functional #imperative #solid

How to Correctly Clone Activated Windows Images in Virtual Box

NOTE: use these instructions at your own risk. In case you are using Windows licenses for production, refer to Microsoft license agreements.

This manual is divided into two sections - the first one for creating a blank windows image and activating it, and the second - how to clone blank activated windows image such that it does not require any reactivation.

#virtualbox

Setting up EclipseFP

Make sure there are no additional packages installed into a global scope! (not even a new version of cabal-install)

# cd ~/.cabal # mkdir sandbox # cd sandbox/ # cabal sandbox init # cabal install buildwrapper scion-browser hoogle hlint htf alex happy stylish-haskell uuagc --force-reinstalls # cp ./.cabal-sandbox/bin/* ~/bin # cd # hoogle data all

Then start an instance of EclipseFP and configure Haskell executables to point to ~/bin/*

#haskell #eclipsefp

Using GHCi in a sandbox

# mkdir _temp # cabal sandbox init # cabal install cmdargs # ghci -no-user-package-db -package-db .cabal-sandbox/i386-linux-ghc-7.6.1-packages.conf.d # Prelude> import System.Console.CmdArgs # Prelude System.Console.CmdArgs> ???

#haskell #ghci

#haskell #hackage #f

Want a full clean in fossil scm?

fossil clean --ignore "" --emptydirs --dotfiles .

The --ignore "" will force clean to disobey ignor-glob settings in fossil. --emptydirs and --dotfiles will cleanup the rest for you.

#fossil #scm

git clone git:// fails?

Just turn it into https instead:

git config --global url."https://".insteadOf git://

Credit goes to leoh who has answered this on StackOverflow.

#git

The time has come to put Sublime and Atom in the ring. We've taken it for a serious spin - Here's what we found.

New major player out there... open-sourced :) but yet deadly slow :(

#editors

Async-await goodness with .Net Framework 4.0

Ever though how good it would have been to start using .Net Framework 4.5 in order to be able to code async-await? But you're stuch with 4.0 anyway :) Not a problem as it turns out - you can still enable this functionality by installing Microsoft.Bcl.Async package from NuGet official repository.

#async #csharp #programming

Overview of basic caveats and things to remember... Based on the TechEd talk given by Mads Torgersen, 2014

Just posted on my blog... based on Mads Torgersen's talk at TechEd this year. Nice talk! Hopefully useful blog post as well!

#async #csharp #programming

#dotnet #resharper #roslyn

How to create a ClickOnce installer, then host it in Azure Blob storage

Good level of details.

#clickonce #azure

Ever caught yourself thinking that switching your editor settings from one solution to another, from one project to another or even from one code file to another can drive you crazy? Problem solved! One of the most useful add-ins for Visual Studio will allow you to keep this problem under control. Tell folks in your team - they will definitely like it.

#programming #visual studio

Interesting IT Courses

TechEd, North America, 2014 @ Microsoft

Pluralsight

dotnetConf

NDC Conference, Oslo

#conference #dotnet #programming

Just posted a brief summary post on Microsoft TechEd, North America 2014 session "Applying S.O.L.I.D. Principles in .NET/C#" by Chris Klug.

#solid #programming #practice

Now PowerShell has a new way of managing packages, OneGet as well as PowerShellGet!

#powershell #programming

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