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Cluster analysis in R: determine the optimal number of clusters
...Look for a bend or elbow in the sum of squared error (SSE) scree plot. See http://www.statmethods.net/advstats/cluster.html & http://www.mattpeeples.net/kmeans.html for more. The location of the elbow in the resulting plot suggests a suitable number of clusters for the kmeans:
mydata <- d
ws...
What's the difference between KeyDown and KeyPress in .NET?
...; however, the noncharacter keys do raise the KeyDown and KeyUp events.
http://msdn.microsoft.com/en-us/library/system.windows.forms.control.keypress.aspx
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Restart/undo conflict resolution in a single file
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Found the solution here: http://gitster.livejournal.com/43665.html
git checkout -m FILE
This restores the unresolved state, including all information about parent and merge base, which allows restarting the resolution.
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Struggling trying to get cookie out of response with HttpClient in .net 4.5
...kies() to retreive them.
CookieContainer cookies = new CookieContainer();
HttpClientHandler handler = new HttpClientHandler();
handler.CookieContainer = cookies;
HttpClient client = new HttpClient(handler);
HttpResponseMessage response = client.GetAsync("http://google.com").Result;
Uri uri = new ...
MySQL Creating tables with Foreign Keys giving errno: 150
I am trying to create a table in MySQL with two foreign keys, which reference the primary keys in 2 other tables, but I am getting an errno: 150 error and it will not create the table.
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Chrome's remote debugging (USB debugging) not working for Samsung Galaxy S3 running android 4.3
...ridge". Go straight to #3 - #7 after download and execute "platform-tools"(https://developer.android.com/studio/releases/platform-tools.html)
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Why can't an anonymous method be assigned to var?
I have the following code:
7 Answers
7
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Disable Enable Trigger SQL server for a table
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Postgres - FATAL: database files are incompatible with server
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Try this :
https://gist.github.com/joho/3735740
It worked perfectly for me.
In the end it also generates you 2 bash scripts to check your DB and remove the old cluster.
Really Awesome.
see: http://www.postgresql.org/docs/9.2/static/pg...
Select N random elements from a List in C#
I need a quick algorithm to select 5 random elements from a generic list. For example, I'd like to get 5 random elements from a List<string> .
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