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D3Js Exploding Pie Chart Part 1

    With one of my current projects, I have been working on creating a way for users to click on individual pieces of a pie chart and slightly pull out that portion. It's a small and pointless feature, something I like to call eye candy in the front-end world.  For people some people it illustrates the content better. I found myself interested in UX. It's fun for me to recreate in d3js since the problem is challenging. Problem    This isn't a math problem but more of svg drawing problem, at the point where d3js draws out the pie chart there is some calculations to the index to see it out of order but if I can understand the method being used then I can modify it to include the exploding property. var explode = function ( x , index ) { var offset = 80 ; var angle = ( x . startAngle + x . endAngle ) / 2 ; var xOff = Math . sin ( angle )* offset ; var yOff = - Math . cos ( angle )* offset ; return "translate(" + xOff + ",...
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Aspetcore: NLog with Postgresql

This Article is base ASP.Net Core 2 and the latest version of Nlog. 1. Install NLog and the Postgresql Package Using NuGet to install the package into your ASP.NET Core project: PM > Install-Package NLog.Web.AspNetCore PM > Install-Package Npgsql 3. Register NLog Add in your Startup.cs  public void Configure ( IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory ) { ... env.ConfigureNLog( "nlog.config" ); ... // make sure Chinese chars don't fk up Encoding.RegisterProvider(CodePagesEncodingProvider.Instance); //add NLog to ASP.NET Core loggerFactory.AddNLog(); //add NLog.Web app.AddNLogWeb(); } 4. Add to Your Controller Add a logger object to your Controller. private readonly ILogger<YourController> _logger; Modify the constructor to use it public YourController ( ILogger<YourController> logger = null ) { if ( null != logger) { _logger = logger; ...
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Mongodb Cheatsheet

This cheat sheet is based on the latest version of mongodb, which initial had setup and didn't encounter any problems. However that all changed when I was working remote and forgot I disabled the port no my network, rather than with the server. So I went pointing around where I didn't need to and ended up messing things up. The Best tutorial out there is of course on digital ocean for my setup on ubuntu 16.04 , this articles isn't so much about getting setup. I just wanted to include it because I found myself looking back at it to see if I missed a step. Bugs/Problems Now comes all the messed up things I found and had to deal with. firewall - Port seems to be open, but connection refused try using 0.0.0.0 in the bin_ip for the /etc/mongo.conf try sudo ufw disable and check to see if it works without the firewall (probably still wont but worth a shot), then just sudo ufw enable. Make sure port 27017 is open. Then check this  linux - Connection refused to MongoDB e...
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Installing Windows on Acer chromebook 15 cb3-532

Much of my notes are just small problems I faced (what's new!) haha. Either way this was a really fun project to do for a friend and I got excited once I research all the information. You can find instruction videos but what helped me the most was the coolstar website. Sadly they don't have parameters in the url so I can link the machine I used in this article. -  https://coolstar.org/chromebook/windows-install.html Scared of messing with the bios? Don't be!    So you need to first remove the screw to put a legacy bios on the machine. Its easy to backup the chrome os one and with the same steps to change it. You can go back in and revert to the chrome version bios. Its that last part that had me worried and its very easy to do.  Problems getting into Developer Mode?   Follow the instructions to the letter, during the step to disable the OS verification, press Ctrl-D to boot into os. If you hear two beeps I would go back to set one. I got in a loo...
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