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How to apply a function to two columns of Pandas dataframe
... Added an example to my answer, hope this does what you're looking for. If not, please provide a more specific example function since sum is solved successfully by any of the methods suggested so far.
– Aman
Nov 12 '12 at 14:51
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How to disable an Android button?
...u try this?
myButton.setEnabled(false);
Update: Thanks to Gwen. Almost forgot that android:clickable can be set in your XML layout to determine whether a button can be clickable or not.
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How to handle Objective-C protocols that contain properties?
...s to them can use them in specific ways.
That means in your class that conforms to your protocol, you have to do everything to make sure anObject works.
@property and @synthesize are at heart two mechanisms that generate code for you. @property is just saying there will be a getter (and/or sett...
ImageView - have height match width?
... be fill_parent. I want its height to be whatever the width ends up being. For example:
14 Answers
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What are the differences between the different saving methods in Hibernate?
...re is the difference between transient, detached and persistent entities. For more info on the object states, take a look here. With save & update, you are dealing with persistent objects. They are linked to a Session so Hibernate knows what has changed. But when you have a transient object,...
Sass combining parent using ampersand (&) with type selectors
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This isn't working for me... output is coming out to .item a.item for some reason. I tried doing a#{&} on it's own too and still same result.
– jaminroe
Nov 11 '15 at 16:54
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Where can I find the IIS logs?
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I think the default place for access logs is
%SystemDrive%\inetpub\logs\LogFiles
Otherwise, check under IIS Manager, select the computer on the left pane, and in the middle pane, go under "Logging" in the IIS area. There you will se the default lo...
Is Redis just a cache?
...odeling Questions, Users and Answers
Each object can be modeled as a Map. For example, a Question is a map with fields {id, title, date_asked, votes, asked_by, status}. Similarly, an Answer is a map with fields {id, question_id, answer_text, answered_by, votes, status}. Similarly, we can model a us...
Delete a key from a MongoDB document using Mongoose
I'm using the Mongoose Library for accessing MongoDB with node.js
10 Answers
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Difference between Role and GrantedAuthority in Spring Security
...e the RoleVoter, the hasRole expression etc.) always adds the ROLE_ prefix for you. So hasAuthority('ROLE_ADMIN') means the the same as hasRole('ADMIN') because the ROLE_ prefix gets added automatically. See the spring security 3 to 4 migration guide for futher information.
But still: a role is jus...