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Multiple linear regression in Python
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Here is a little work around that I created. I checked it with R and it works correct.
import numpy as np
import statsmodels.api as sm
y = [1,2,3,4,3,4,5,4,5,5,4,5,4,5,4,5,6,5,4,5,4,3,4]
x = [
[4,2,3,4,5,4,5,6,7,4,8,9,8,8,6,6,5,5,5,5,5,5,5],
[4,1,2,3,4,5,6,7,5,8,7,8,7,8,7,8,7,...
Enums and Constants. Which to use when?
I was doing some reading on enums and find them very similar to declaring constants. How would I know when to use a constant rather than an enum or vice versa. What are some of the advantages of using enums?
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Servlet for serving static content
I deploy a webapp on two different containers (Tomcat and Jetty), but their default servlets for serving the static content have a different way of handling the URL structure I want to use ( details ).
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How to “git clone” including submodules?
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With version 2.13 of Git and later, --recurse-submodules can be used instead of --recursive:
git clone --recurse-submodules -j8 git://github.com/foo/bar.git
cd bar
Editor’s note: -j8 is an optional performance optimization that became available ...
How can I make SQL case sensitive string comparison on MySQL?
....com/doc/refman/5.0/en/case-sensitivity.html
The default character set and collation are latin1 and latin1_swedish_ci, so nonbinary string comparisons are case insensitive by default. This means that if you search with col_name LIKE 'a%', you get all column values that start with A or a. To mak...
JavaScript variable number of arguments to function
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Tnx. It is great for parsing Strings from android native code to javascript in a Webview.
– Johan Hoeksma
Aug 31 '13 at 16:06
4
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Download a specific tag with Git
...hole repository.
After the clone, you can list the tags with $ git tag -l and then checkout a specific tag:
$ git checkout tags/<tag_name>
Even better, checkout and create a branch (otherwise you will be on a branch named after the revision number of tag):
$ git checkout tags/<tag_name...
How to disable all caps menu titles in Visual Studio
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Value: 1
In PowerShell, you can run this to set that registry key and the uppercase goes away.
Set-ItemProperty -Path HKCU:\Software\Microsoft\VisualStudio\11.0\General -Name SuppressUppercaseConversion -Type DWord -Value 1
Visual Studio Express 2012
The above registry key is not the on...
Why are Python lambdas useful? [closed]
...se elements of the original list that are multiples of 3. This is shorter (and, one could argue, clearer) than
def filterfunc(x):
return x % 3 == 0
mult3 = filter(filterfunc, [1, 2, 3, 4, 5, 6, 7, 8, 9])
Of course, in this particular case, you could do the same thing as a list comprehension:
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Ternary operator in AngularJS templates
...select either the property with name true or the property with name false, and return the associated value.
E.g.,
<li class="{{{true: 'myClass1 myClass2', false: ''}[$first]}}">...</li>
or
<li ng-class="{true: 'myClass1 myClass2', false: ''}[$first]">...</li>
$first is s...