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How to sort a dataframe by multiple column(s)
...orting to add-on tools -- see this simpler answer which uses a trick right from the top of the example(order) code:
R> dd[with(dd, order(-z, b)), ]
b x y z
4 Low C 9 2
2 Med D 3 1
1 Hi A 8 1
3 Hi A 9 1
Edit some 2+ years later: It was just asked how to do this by column index. The answe...
Getting activity from context in android
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From your Activity, just pass in this as the Context for your layout:
ProfileView pv = new ProfileView(this, null, temp, tempPd);
Afterwards you will have a Context in the layout, but you will know it is actually your Acti...
Want to exclude file from “git diff”
I am trying to exclude a file ( db/irrelevant.php ) from a Git diff. I have tried putting a file in the db subdirectory called .gitattributes with the line irrelevant.php -diff
and I have also tried creating a file called .git/info/attributes containing db/irrelevant.php .
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HtmlEncode from Class Library
.... I need to encode my data using the HtmlEncode method. This is easy to do from a web application. My question is, how do I use this method from a class library that is being called from a console application?
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SAML: Why is the certificate within the Signature?
...verification of the signature. Here is the signature part of a sample SAML from our partner company (asserting party):
3 An...
git returns http error 407 from proxy after CONNECT
I have a problem while connecting to github from my PC, using git. System Win 7.
20 Answers
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Passing Data between View Controllers
...anything.
Passing Data Forward
Passing data forward to a view controller from another view controller. You would use this method if you wanted to pass an object/value from one view controller to another view controller that you may be pushing on to a navigation stack.
For this example, we will ha...
Refresh image with a new one at the same url
...en you want to cache images, but may need to update them at the server end from time to time without changing the filename itself. AND when you can easily ensure that the correct querystring is added to every image instance in your HTML.
(3) Serve your images with the header Cache-control: max-ag...
AttributeError: 'module' object has no attribute 'tests'
...est case just try import the test case file in python console.
Example:
from project.apps.app1.tests import *
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What's the right OAuth 2.0 flow for a mobile app
...52
Consider the following options
Implicit
Should I use implicit?
To quote from Section 8.2 https://tools.ietf.org/html/rfc8252#section-8.2
The OAuth 2.0 implicit grant authorization flow (defined in Section 4.2 of OAuth 2.0 [RFC6749]) generally works with the practice of performing the authorizati...