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Cluster analysis in R: determine the optimal number of clusters
...endrogram to visualize the results of my cluster analysis, then you should start with these:
http://www.statmethods.net/advstats/cluster.html
http://www.r-tutor.com/gpu-computing/clustering/hierarchical-cluster-analysis
http://gastonsanchez.wordpress.com/2012/10/03/7-ways-to-plot-dendrograms-in-r/ A...
Combine the first two commits of a Git repository?
...
You tried:
git rebase -i A
It is possible to start like that if you continue with edit rather than squash:
edit e97a17b B
pick asd314f C
then run
git reset --soft HEAD^
git commit --amend
git rebase --continue
Done.
...
jQuery Selector: Id Ends With?
...but for those who, like me, want to find all the elements with an id which starts with a given string (for example txtTitle), try this (doc) :
$("[id^='txtTitle']")
If you want to select elements which id contains a given string (doc) :
$("[id*='txtTitle']")
If you want to select elements whic...
Performance difference for control structures 'for' and 'foreach' in C#
... < 10000000; i++)
{
intList.Add(i);
}
DateTime timeStarted = DateTime.Now;
for (int i = 0; i < intList.Count; i++)
{
int foo = intList[i] * 2;
if (foo % 2 == 0)
{
}
}
TimeSpan finished = DateTime.Now - timeStarted;
Cons...
How to use Boost in Visual Studio 2010
...7.0 as of writing) into a directory of your choice (e.g. C:\boost_1_47_0).
Start the Visual Studio Command Prompt for the platform of your choice and navigate to where boost is.
Run: bootstrap.bat to build b2.exe (previously named bjam).
Run b2:
Win32: b2 --toolset=msvc-10.0 --build-type=complete...
File upload progress bar with jQuery
...o the jQuery form plugin. If you are searching for a pure jQuery solution, start here.
There is no overall jQuery solution for all browser. So you have to use a plugin. I am using dropzone.js, which have an easy fallback for older browsers. Which plugin you prefer depends on your needs. There are a...
How do I loop through a date range?
... day;
}
Then you can use it like this:
foreach (DateTime day in EachDay(StartDate, EndDate))
// print it or whatever
In this manner you could hit every other day, every third day, only weekdays, etc. For example, to return every third day starting with the "start" date, you could just call...
Language Books/Tutorials for popular languages
...document some of the best tutorials and books for these languages. I will start the list with the best I can find, but hope you guys out there can help with better suggestions/new languages. Here is what I found:
...
How do I subtract minutes from a date in javascript?
...mber of milliseconds from myEndDateTime:
var MS_PER_MINUTE = 60000;
var myStartDate = new Date(myEndDateTime - durationInMinutes * MS_PER_MINUTE);
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PostgreSQL error: Fatal: role “username” does not exist
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@parsecer: An interactive shell is started, similar to su, but based on sudo privileges. See man sudo.
– Erwin Brandstetter
Nov 15 '19 at 19:02
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